Publications


Click here to see my pubs on Mendeley

Student Doctoral Dissertations

  • Y. Xu, “Scalable Algorithms for Parallel Tree Search,” PhD Thesis, 2007. [PDF] [Bibtex]
    @phdthesis{Xu2007,
    author = {Xu, Y.},
    school = {Lehigh University},
    title = {{Scalable Algorithms for Parallel Tree Search}},
    url = {http://coral.ie.lehigh.edu/~ted/files/papers/YanXuDissertation07.pdf},
    year = {2007}
    }
  • A. Mahajan, “On Selecting Disjunctions in Mixed Integer Linear Programming,” PhD Thesis, 2009. [PDF] [Bibtex]
    @phdthesis{Mahajan2009,
    author = {Mahajan, A.},
    school = {Lehigh University},
    title = {{On Selecting Disjunctions in Mixed Integer Linear Programming}},
    url = {http://coral.ie.lehigh.edu/~ted/files/papers/AshutoshMahajanDissertation09.pdf},
    year = {2009}
    }
  • A. Hassanzadeh, “Two-Stage Stochastic Mixed Integer Optimization,” PhD Thesis, 2015. [Bibtex]
    @phdthesis{Hassanzadeh2015,
    author = {Hassanzadeh, A.},
    school = {Lehigh},
    title = {{Two-Stage Stochastic Mixed Integer Optimization}},
    year = {2015}
    }
  • S. T. DeNegre, “Interdiction and Discrete Bilevel Linear Programming,” PhD Thesis, 2011. [PDF] [Bibtex]
    @phdthesis{SDeNegre2011,
    author = {DeNegre, S.T.},
    school = {Lehigh University},
    title = {{Interdiction and Discrete Bilevel Linear Programming}},
    url = {http://coral.ie.lehigh.edu/~ted/files/papers/ScottDeNegreDissertation11.pdf},
    year = {2011}
    }
  • Z. Akca, “Integrated Location, Routing, and Scheduling Problems: Models and Algorithms,” PhD Thesis, 2009. [PDF] [Bibtex]
    @phdthesis{Akca2009,
    author = {Akca, Z.},
    school = {Lehigh University},
    title = {{Integrated Location, Routing, and Scheduling Problems: Models and Algorithms}},
    url = {http://coral.ie.lehigh.edu/~ted/files/papers/ZelihaAkcaDissertation09.pdf},
    year = {2009}
    }
  • M. V. Galati, “Decomposition in Integer Programming,” PhD Thesis, 2009. [PDF] [Bibtex]
    @phdthesis{Galati2009,
    author = {Galati, M.V.},
    school = {Lehigh University},
    title = {{Decomposition in Integer Programming}},
    url = {http://coral.ie.lehigh.edu/~ted/files/papers/MatthewGalatiDissertation09.pdf},
    year = {2009}
    }
  • A. Bulut, “Computational Methods for Discrete Conic Optimization Problems (Draft),” PhD Thesis, 2017. [Bibtex]
    @phdthesis{A.Bulut2017,
    author = {Bulut, A.},
    school = {Lehigh},
    title = {{Computational Methods for Discrete Conic Optimization Problems (Draft)}},
    year = {2017}
    }
  • M. Güzelsoy, “Dual Methods in Mixed Integer Linear Programming,” PhD Thesis, 2009. [PDF] [Bibtex]
    @phdthesis{Guzelsoy2009,
    author = {G{\"{u}}zelsoy, M.},
    school = {Lehigh University},
    title = {{Dual Methods in Mixed Integer Linear Programming}},
    url = {http://coral.ie.lehigh.edu/~ted/files/papers/MenalGuzelsoyDissertation09.pdf},
    year = {2009}
    }

Software

  • S. T. DeNegre, T. K. Ralphs, and S. A. Tahernejad, MiBS Version 0.95, COR@L Laboratory, Lehigh University, 2017. [Software] [DOI] [Bibtex]
    @Misc{ DeNRalTah17,
    author  = "DeNegre, S.T. and Ralphs, T.K. and Tahernejad, S.A.",
    doi = "10.5281/zenodo.556749",
    publisher  = "COR@L Laboratory, Lehigh University",
    title = "MiBS Version 0.95",
    software  = "https://github.com/tkralphs/MiBS",
    year = "2017"
    }
  • A. Bulut and T. K. Ralphs, DietCOLA, COR@L Laboratory, Lehigh University, 2015. [Software] [Bibtex]
    @Misc{ BulRal15,
    author  = "Bulut, A. and Ralphs, T.K.",
    publisher  = "COR@L Laboratory, Lehigh University",
    title = "DietCOLA",
    software  = "https://github.com/aykutbulut/DietCOLA",
    year = "2015"
    }
  • A. Bulut and T. K. Ralphs, OSi-CONIC, COR@L Laboratory, Lehigh University, 2016. [Software] [Bibtex]
    @Misc{ BulRal16,
    author  = "Bulut, A. and Ralphs, T.K.",
    publisher  = "COR@L Laboratory, Lehigh University",
    title = "OSi-CONIC",
    software  = "https://github.com/aykutbulut/OSI-CONIC",
    year = "2016"
    }
  • Y. Xu, T. K. Ralphs, L. Ladányi, and M. J. Saltzman, ALPS Version 1.5, COR@L Laboratory, Lehigh University, 2016. [Software] [DOI] [Bibtex]
    @Misc{ XuRalLadSal16,
    author  = "Xu, Y. and Ralphs, T.K. and Lad{\'a}nyi, L. and Saltzman,
    M.J.",
    doi = "10.5281/zenodo.245971",
    publisher  = "COR@L Laboratory, Lehigh University",
    title = "ALPS Version 1.5",
    software  = "https://projects.coin-or.org/CHiPPS",
    year = "2016"
    }
  • A. Bulut and T. K. Ralphs, CGL-CONIC, COR@L Laboratory, Lehigh University, 2016. [Software] [Bibtex]
    @Misc{ BulRal16-1,
    author  = "Bulut, A. and Ralphs, T.K.",
    publisher  = "COR@L Laboratory, Lehigh University",
    title = "CGL-CONIC",
    software  = "https://github.com/aykutbulut/CGL-CONIC",
    year = "2016"
    }
  • T. K. et.al. Ralphs, COIN-OR Optimization Suite, COR@L Laboratory, Lehigh University. [Software] [DOI] [Bibtex]
    @Misc{ **key*,
    author  = "et.al. Ralphs, T.K.",
    doi = "10.5281/zenodo.246111",
    publisher  = "COR@L Laboratory, Lehigh University",
    title = "COIN-OR Optimization Suite",
    software  = "https://github.com/coin-or/COIN-OR-OptimizationSuite"
    }
  • T. K. Ralphs and A. Bulut, GiMPy Version 1.3, COR@L Laboratory, Lehigh University, 2016. [Software] [DOI] [Bibtex]
    @Misc{ RalBul16,
    author  = "Ralphs, T.K. and Bulut, A.",
    doi = "10.5281/zenodo.245626",
    publisher  = "COR@L Laboratory, Lehigh University",
    title = "GiMPy Version 1.3",
    software  = "https://github.com/tkralphs/GiMPy",
    year = "2016"
    }
  • T. K. Ralphs and A. Bulut, GrUMPy Version 0.85, COR@L Laboratory, Lehigh University, 2016. [Software] [DOI] [Bibtex]
    @Misc{ RalBul16-1,
    author  = "Ralphs, T.K. and Bulut, A.",
    doi = "https://doi.org/10.5281/zenodo.245613",
    publisher  = "COR@L Laboratory, Lehigh University",
    title = "GrUMPy Version 0.85",
    software  = "https://github.com/tkralphs/GrUMPy",
    year = "2016"
    }
  • T. K. Ralphs, CuPPy Version 0.7, COR@L Laboratory, Lehigh University, 2016. [Software] [DOI] [Bibtex]
    @Misc{ Ral16,
    author  = "Ralphs, T.K.",
    doi = "10.5281/zenodo.245577",
    publisher  = "COR@L Laboratory, Lehigh University",
    title = "CuPPy Version 0.7",
    software  = "https://github.com/tkralphs/CuPPy",
    year = "2016"
    }
  • Y. Xu, T. K. Ralphs, L. Ladányi, and M. J. Saltzman, BiCEPs Version 0.94, COR@L Laboratory, Lehigh University, 2016. [Software] [DOI] [Bibtex]
    @Misc{ XuRalLadSal16-1,
    author  = "Xu, Y. and Ralphs, T.K. and Lad{\'a}nyi, L. and Saltzman,
    M.J.",
    doi = "10.5281/zenodo.245652",
    publisher  = "COR@L Laboratory, Lehigh University",
    title = "BiCEPs Version 0.94",
    software  = "https://projects.coin-or.org/CHiPPS",
    year = "2016"
    }
  • M. V. Galati, T. K. Ralphs, and J. Wang, Dip Version 0.92, COR@L Laboratory, Lehigh University, 2016. [Software] [DOI] [Bibtex]
    @Misc{ GalRalWan16,
    author  = "Galati, M.V. and Ralphs, T.K. and Wang, J.",
    doi = "10.5281/zenodo.246087",
    publisher  = "COR@L Laboratory, Lehigh University",
    title = "Dip Version 0.92",
    software  = "http://projects.coin-or.org/Dip",
    year = "2016"
    }
  • T. K. Ralphs, M. Guzelsoy, and A. Mahajan, SYMPHONY Version 5.6, COR@L Laboratory, Lehigh University, 2016. [Software] [DOI] [Bibtex]
    @Misc{ RalGuzMah16,
    author  = "Ralphs, T.K. and Guzelsoy, M. and Mahajan, A.",
    doi = "10.5281/zenodo.248734",
    publisher  = "COR@L Laboratory, Lehigh University",
    title = "SYMPHONY Version 5.6",
    software  = "https://projects.coin-or.org/SYMPHONY/",
    year = "2016"
    }
  • T. K. Ralphs and A. Bulut, BLImPy Version 1.3, COR@L Laboratory, Lehigh University, 2016. [Software] [DOI] [Bibtex]
    @Misc{ RalBul16-2,
    author  = "Ralphs, T.K. and Bulut, A.",
    doi = "10.5281/zenodo.252673",
    publisher  = "COR@L Laboratory, Lehigh University",
    title = "BLImPy Version 1.3",
    software  = "https://github.com/tkralphs/BLImPy",
    year = "2016"
    }
  • A. Bulut and T. K. Ralphs, COLA, COR@L Laboratory, Lehigh University, 2016. [Software] [Bibtex]
    @Misc{ BulRal16-2,
    author  = "Bulut, A. and Ralphs, T.K.",
    publisher  = "COR@L Laboratory, Lehigh University",
    title = "COLA",
    software  = "https://github.com/aykutbulut/COLA",
    year = "2016"
    }
  • T. K. Ralphs, S. Vigerske, and A. Waechter, COIN-OR Build Tools, COR@L Laboratory, Lehigh University, 2016. [Software] [DOI] [Bibtex]
    @Misc{ RalVigWae16,
    author  = "Ralphs, T.K. and Vigerske, S. and Waechter, A.",
    doi = "10.5281/zenodo.246124",
    publisher  = "COR@L Laboratory, Lehigh University",
    title = "COIN-OR Build Tools",
    software  = "https://github.com/coin-or-tools/BuildTools/",
    year = "2016"
    }
  • Y. Xu, T. K. Ralphs, L. Ladányi, and M. J. Saltzman, BLIS Version 0.94, COR@L Laboratory, Lehigh University, 2016. [Software] [DOI] [Bibtex]
    @Misc{ XuRalLadSal16-2,
    author  = "Xu, Y. and Ralphs, T.K. and Lad{\'a}nyi, L. and Saltzman,
    M.J.",
    doi = "10.5281/zenodo.246079",
    publisher  = "COR@L Laboratory, Lehigh University",
    title = "BLIS Version 0.94",
    software  = "https://projects.coin-or.org/CHiPPS",
    year = "2016"
    }
  • A. Bulut and T. K. Ralphs, DisCO Version 0.95, COR@L Laboratory, Lehigh University, 2017. [Software] [DOI] [Bibtex]
    @Misc{ BulRal17,
    author  = "Bulut, A. and Ralphs, T.K.",
    doi = "10.5281/zenodo.237107",
    publisher  = "COR@L Laboratory, Lehigh University",
    title = "DisCO Version 0.95",
    software  = "https://github.com/aykutbulut/DisCO",
    year = "2017"
    }

Papers and Tech Reports

2017

  • A. Bulut and T. K. Ralphs, “Complexity for Mathematical Programs,” COR@L Laboratory, Lehigh University 2017. working paper. [Bibtex]
    @TechReport{ BulRal17,
    annote  = "working paper",
    author  = "Bulut, A and Ralphs, T K",
    institution  = "COR@L Laboratory, Lehigh University",
    title = "Complexity for Mathematical Programs",
    year = "2017"
    }
  • A. Bulut and T. K. Ralphs, “DisCO: An Open Source Solver for Discrete Conic Optimization,” COR@L Laboratory, Lehigh University 2017. [Software] [Bibtex]
    @TechReport{ BulRal17-1,
    software  = "https://github.com/aykutbulut/DisCO",
    author  = "Bulut, A and Ralphs, T K",
    institution  = "COR@L Laboratory, Lehigh University",
    title = "DisCO: An Open Source Solver for Discrete Conic
    Optimization",
    year = "2017"
    }
  • M. V. Galati and T. K. Ralphs, “DIP: A Framework for Decomposition in Integer Programming,” COR@L Laboratory, Lehigh University 2017. [Software] [Bibtex]
    @TechReport{ GalRal17,
    software  = "https://projects.coin-or.org/Dip",
    author  = "Galati, M V and Ralphs, T K",
    institution  = "COR@L Laboratory, Lehigh University",
    title = "DIP: A Framework for Decomposition in Integer Programming",
    year = "2017"
    }

2016

  • S. A. Tahernejad, S. T. DeNegre, and T. K. Ralphs, “A Branch-and-Cut Algorithm for Mixed Integer Bilevel Linear Optimization Problems and Its Implementation,” COR@L Technical Report 16T-015 2016. [PDF] [Bibtex]
    @TechReport{ TahDeNRal16,
    author  = "Tahernejad, S.A. and DeNegre, S.T. and Ralphs, T.K.",
    institution  = "COR@L Technical Report 16T-015",
    title = "A Branch-and-Cut Algorithm for Mixed Integer Bilevel
    Linear Optimization Problems and Its Implementation",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/MIBLP16.pdf",
    year = "2016"
    }
  • Y. Zhang, L. V. Snyder, T. K. Ralphs, and Z. Xue, “The Competitive Facility Location Problem Under Disruption Risks,” Transportation Research Part E, vol. 93, p. 453—-473, 2016. [PDF] [DOI] [Bibtex]
    @Article{ ZhaSnyRalXue16,
    author  = "Zhang, Y. and Snyder, L.V. and Ralphs, T.K. and Xue, Z.",
    doi = "10.1016/j.tre.2016.07.002",
    journal  = "Transportation Research Part E",
    pages = "453----473",
    title = "The Competitive Facility Location Problem Under Disruption
    Risks",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/CFLPD16.pdf",
    volume  = "93",
    year = "2016"
    }
  • P. Belotti, J. C. Goez, I. Polik, T. Ralphs, and T. Terlaky, “A Complete Characterization of Disjunctive Conic Cuts for Mixed Integer Second Order Cone Optimization,” Discrete Optimization, 2016. [Software] [PDF] [DOI] [Bibtex]
    @Article{ BelGoePolRalTer16,
    software  = "https://github.com/aykutbulut/CGL-CONIC",
    author  = "Belotti, P and Goez, J C and Polik, I and Ralphs, TK and
    Terlaky, T",
    doi = "10.1016/j.disopt.2016.10.001",
    institution  = "COR@L Laboratory Report 14T-008, Lehigh University",
    journal  = "Discrete Optimization",
    title = "A Complete Characterization of Disjunctive Conic Cuts for
    Mixed Integer Second Order Cone Optimization",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/ConicCuts14.pdf"
    ,
    year = "2016"
    }
  • T. K. Ralphs, “Multistage Discrete Optimization,” in Bilevel Programming: Theory and Applications, S. Dempe, V. Kalashnikov, and B. Mordukhovich, Eds., Bantham Science Publishers, 2016. [Bibtex]
    @InCollection{ Ral16,
    author  = "Ralphs, T.K.",
    booktitle  = "Bilevel Programming: Theory and Applications",
    editor  = "Dempe, S and Kalashnikov, V and Mordukhovich, B",
    publisher  = "Bantham Science Publishers",
    title = "Multistage Discrete Optimization",
    year = "2016"
    }
  • T. K. Ralphs, Y. Shinano, T. Berthold, and T. Koch, “Parallel Solvers for Mixed Integer Linear Programing,” COR@L Laboratory Report 16T-014-R3, Lehigh University 2016. To appear in Handbook of Parallel Constraint Reasoning. [PDF] [Bibtex]
    @TechReport{ RalShiBerKoc16,
    annote  = "To appear in Handbook of Parallel Constraint Reasoning",
    author  = "Ralphs, T K and Shinano, Y and Berthold, T and Koch, T",
    booktitle  = "Handbook of Parallel Constraint Reasoning",
    chapter  = "14",
    editor  = "Hamadi, Y and Sais, L",
    institution  = "COR@L Laboratory Report 16T-014-R3, Lehigh University",
    publisher  = "Springer Berlin / Heidelberg",
    title = "Parallel Solvers for Mixed Integer Linear Programing",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/ParallelMILPSurvey16.pdf"
    ,
    year = "2016"
    }

2015

  • T. K. Ralphs, “Data Science and Analytics,” Industrial and Systems Engineering Report 15T-009, Lehigh University 2015. [PDF] [Bibtex]
    @TechReport{ Ral15,
    author  = "Ralphs, T.K.",
    institution  = "Industrial and Systems Engineering Report 15T-009, Lehigh
    University",
    title = "Data Science and Analytics",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/dataScience.pdf"
    ,
    year = "2015"
    }
  • A. Bulut and T. K. Ralphs, “On the Complexity of Inverse Mixed Integer Linear Optimization,” COR@L Laboratory Report 15T-001-R3, Lehigh University 2015. [Software] [PDF] [Bibtex]
    @TechReport{ BulRal15,
    software  = "https://github.com/tkralphs/CuPPy",
    author  = "Bulut, A and Ralphs, T.K.",
    institution  = "COR@L Laboratory Report 15T-001-R3, Lehigh University",
    title = "On the Complexity of Inverse Mixed Integer Linear
    Optimization",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/InverseMILP15.pdf"
    ,
    year = "2015"
    }

2014

  • A. Hassanzadeh and T. K. Ralphs, “A Generalized Benders’ Algorithm for Two-Stage Stochastic Program with Mixed Integer Recourse,” COR@L Laboratory Report 14T-005, Lehigh University 2014. [Software] [PDF] [Bibtex]
    @TechReport{ HasRal14,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Hassanzadeh, A and Ralphs, T K",
    institution  = "COR@L Laboratory Report 14T-005, Lehigh University",
    title = "A Generalized Benders' Algorithm for Two-Stage Stochastic
    Program with Mixed Integer Recourse",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/SMILPGenBenders14.pdf"
    ,
    year = "2014"
    }
  • A. Lodi, T. K. Ralphs, and G. Woeginger, “Bilevel Programming and the Separation Problem,” Mathematical Programming, vol. 148, pp. 437-458, 2014. [PDF] [DOI] [Bibtex]
    @Article{ LodRalWoe14,
    author  = "Lodi, A and Ralphs, T K and Woeginger, G",
    doi = "10.1007/s10107-013-0700-x",
    journal  = "Mathematical Programming",
    pages = "437--458",
    title = "Bilevel Programming and the Separation Problem",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/BilevelSeparation12.pdf"
    ,
    volume  = "148",
    year = "2014"
    }
  • P. Belotti, J. C. Goez, I. Polik, T. K. Ralphs, and T. Terlaky, “A Conic Representation of the Convex Hull of Disjunctive Sets and Conic Cuts for Integer Second Order Cone Optimization,” in Numerical Analysis and Optimization, M. Al-Baali, L. Grandinetti, and A. Purnama, Eds., Springer, 2014, pp. 1-35. [PDF] [DOI] [Bibtex]
    @InCollection{ BelGoePolRalTer14,
    author  = "Belotti, P and Goez, J C and Polik, I and Ralphs, T K and
    Terlaky, T",
    booktitle  = "Numerical Analysis and Optimization",
    chapter  = "1",
    doi = "10.1007/978-3-319-17689-5",
    editor  = "Al-Baali, Mehiddin and Grandinetti, Lucio and Purnama,
    Anton",
    pages = "1--35",
    publisher  = "Springer",
    title = "A Conic Representation of the Convex Hull of Disjunctive
    Sets and Conic Cuts for Integer Second Order Cone
    Optimization",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/ConicCuts12.pdf"
    ,
    year = "2014"
    }
  • T. K. Ralphs, M. Guzelsoy, and A. Mahajan, “SYMPHONY Version 5.6 User’s Manual,” COR@L Laboratory, Lehigh University 2014. [Software] [PDF] [Bibtex]
    @TechReport{ RalGuzMah14,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K and Guzelsoy, M and Mahajan, A",
    institution  = "COR@L Laboratory, Lehigh University",
    title = "SYMPHONY Version 5.6 User's Manual",
    url = "http://www.coin-or.org/SYMPHONY/doc/SYMPHONY-5.6.9-Manual.pdf"
    ,
    year = "2014"
    }
  • A. Hassanzadeh and T. K. Ralphs, “On the Value Function of a Mixed Integer Linear Optimization Problem and an Algorithm for Its Construction,” COR@L Laboratory Report 14T-004, Lehigh University 2014. [Software] [PDF] [Bibtex]
    @TechReport{ HasRal14-1,
    software  = "https://github.com/tkralphs/ValueFunction",
    author  = "Hassanzadeh, A and Ralphs, T K",
    institution  = "COR@L Laboratory Report 14T-004, Lehigh University",
    title = "On the Value Function of a Mixed Integer Linear
    Optimization Problem and an Algorithm for Its Construction",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/MILPValueFunction14.pdf"
    ,
    year = "2014"
    }

2013

  • K. L. Hoffman and T. K. Ralphs, “Integer and Combinatorial Optimization,” 2013. [PDF] [DOI] [Bibtex]
    @TechReport{ HofRal13,
    author  = "Hoffman, K L and Ralphs, T K",
    booktitle  = "Encyclopedia of Operations Research and Management
    Science",
    doi = "10.1007/978-1-4419-1153-7_129",
    pages = "771--783",
    publisher  = "Springer",
    title = "Integer and Combinatorial Optimization",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/ICO-EORMS11.pdf"
    ,
    year = "2013"
    }
  • T. K. Ralphs, M. Guzelsoy, and A. Mahajan, “SYMPHONY Version 5.5 User’s Manual,” COR@L Laboratory, Lehigh University 2013. [Software] [PDF] [Bibtex]
    @TechReport{ RalGuzMah13,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K and Guzelsoy, M and Mahajan, A",
    institution  = "COR@L Laboratory, Lehigh University",
    title = "SYMPHONY Version 5.5 User's Manual",
    url = "http://www.coin-or.org/SYMPHONY/doc/SYMPHONY-5.5.0-Manual.pdf"
    ,
    year = "2013"
    }
  • P. Belotti, J. C. Goez, I. Polik, T. K. Ralphs, and T. Terlaky, “On Families of Quadratic Surfaces Having Fixed Intersection with Two Hyperplanes,” Discrete Applied Mathematics, vol. 161, pp. 2778-2793, 2013. [PDF] [DOI] [Bibtex]
    @Article{ BelGoePolRalTer13,
    author  = "Belotti, P and Goez, J C and Polik, I and Ralphs, T K and
    Terlaky, T",
    doi = "10.1016/j.dam.2013.05.017",
    journal  = "Discrete Applied Mathematics",
    pages = "2778--2793",
    title = "On Families of Quadratic Surfaces Having Fixed
    Intersection with Two Hyperplanes",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/Quadratic11.pdf"
    ,
    volume  = "161",
    year = "2013"
    }
  • J. Wang and T. K. Ralphs, “Computational Experience with Hypergraph-based Methods for Automatic Decomposition in Discrete Optimization,” in Proceedings of the Conference on Constraint Programming, Artificial Intelligence, and Operations Research, 2013, pp. 394-402. [Software] [PDF] [DOI] [Bibtex]
    @InProceedings{ WanRal13,
    software  = "https://projects.coin-or.org/Dip",
    author  = "Wang, J and Ralphs, T K",
    booktitle  = "Proceedings of the Conference on Constraint Programming,
    Artificial Intelligence, and Operations Research",
    doi = "10.1007/978-3-642-38171-3",
    pages = "394--402",
    title = "Computational Experience with Hypergraph-based Methods for
    Automatic Decomposition in Discrete Optimization",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/CPAIOR12.pdf",
    year = "2013"
    }

2012

  • T. Koch, T. Ralphs, and Y. Shinano, “Could We Use a Million Cores to Solve an Integer Program?,” Mathematical Methods of Operations Research, vol. 76, pp. 67-93, 2012. [PDF] [DOI] [Bibtex]
    @Article{ KocRalShi12,
    author  = "Koch, T and Ralphs, TK and Shinano, Y",
    doi = "10.1007/s00186-012-0390-9",
    journal  = "Mathematical Methods of Operations Research",
    pages = "67--93",
    title = "Could We Use a Million Cores to Solve an Integer Program?",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/Million11.pdf"
    ,
    volume  = "76",
    year = "2012"
    }
  • M. V. Galati, T. K. Ralphs, and J. Wang, “Computational Experience with Generic Decomposition using the DIP Framework,” in Proceedings of RAMP 2012, 2012. [Software] [PDF] [Bibtex]
    @InProceedings{ GalRalWan12,
    software  = "https://projects.coin-or.org/Dip",
    author  = "Galati, M V and Ralphs, T K and Wang, J",
    booktitle  = "Proceedings of RAMP 2012",
    title = "Computational Experience with Generic Decomposition using
    the DIP Framework",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/RAMP12.pdf",
    year = "2012"
    }

2011

  • T. Koch, T. Achterburg, E. Andersen, O. Bastert, T. Berthold, R. E. Bixby, E. Danna, G. Gamrath, A. Gleixner, S. Heinz, A. Lodi, H. Mittelmann, T. K. Ralphs, D. Salvagnin, D. Steffy, and K. Wolter, “MIPLIB 2010,” Mathematical Programming Computation, vol. 3, pp. 103-163, 2011. [Software] [PDF] [DOI] [Bibtex]
    @Article{ KocAchAndBasBerBixDanGamGleHei.ea11,
    software  = "http://miplib.zib.de/download/scriptversions/",
    author  = "Koch, T and Achterburg, T and Andersen, E and Bastert, O
    and Berthold, T and Bixby, R E and Danna, E and Gamrath, G
    and Gleixner, A and Heinz, S and Lodi, A and Mittelmann, H
    and Ralphs, T K and Salvagnin, D and Steffy, D and Wolter,
    K",
    doi = "10.1007/s12532-011-0025-9",
    journal  = "Mathematical Programming Computation",
    pages = "103--163",
    title = "MIPLIB 2010",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/miplib5.pdf",
    volume  = "3",
    year = "2011"
    }
  • T. K. Ralphs, M. Güzelsoy, and A. Mahajan, “SYMPHONY Version 5.4 User’s Manual,” COR@L Laboratory, Lehigh University 2011. [Software] [PDF] [Bibtex]
    @TechReport{ RalGuzMah11,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K and G{\"u}zelsoy, M and Mahajan, A",
    institution  = "COR@L Laboratory, Lehigh University",
    title = "SYMPHONY Version 5.4 User's Manual",
    url = "http://www.coin-or.org/SYMPHONY/doc/SYMPHONY-5.4.0-Manual.pdf"
    ,
    year = "2011"
    }
  • A. Lodi, T. K. Ralphs, F. Rossi, and S. Smriglio, “Interdiction Branching,” COR@L Technical Report 11T-012-R2 2011. [Software] [PDF] [Bibtex]
    @TechReport{ LodRalRosSmr11,
    software  = "https://github.com/tkralphs/InterdictionBranch",
    author  = "Lodi, A and Ralphs, T K and Rossi, F and Smriglio, S",
    institution  = "COR@L Technical Report 11T-012-R2",
    title = "Interdiction Branching",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/BilevelBranching.pdf"
    ,
    year = "2011"
    }
  • T. K. Ralphs, M. Güzelsoy, and A. Mahajan, “SYMPHONY Version 5.3 User’s Manual,” COR@L Laboratory, Lehigh University 2011. [Software] [PDF] [Bibtex]
    @TechReport{ RalGuzMah11-1,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K and G{\"u}zelsoy, M and Mahajan, A",
    institution  = "COR@L Laboratory, Lehigh University",
    title = "SYMPHONY Version 5.3 User's Manual",
    url = "http://www.coin-or.org/SYMPHONY/doc/SYMPHONY-5.3.4-Manual.pdf"
    ,
    year = "2011"
    }
  • M. Güzelsoy and T. K. Ralphs, “Warm-starting for Real-time Vehicle Routing,” COR@L Laboratory, Lehigh University 2011. [Software] [Bibtex]
    @TechReport{ GuzRal11,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "G{\"u}zelsoy, M and Ralphs, T K",
    institution  = "COR@L Laboratory, Lehigh University",
    title = "Warm-starting for Real-time Vehicle Routing",
    year = "2011"
    }

2010

  • M. Güzelsoy and T. K. Ralphs, “Integer Programming Duality,” in Encyclopedia of Operations Research and Management Science, J. Cochran, Ed., Wiley, 2010. [PDF] [DOI] [Bibtex]
    @InCollection{ GuzRal10,
    author  = "G{\"u}zelsoy, M and Ralphs, T K",
    booktitle  = "Encyclopedia of Operations Research and Management
    Science",
    doi = "10.1002/9780470400531",
    editor  = "J. Cochran",
    publisher  = "Wiley",
    title = "Integer Programming Duality",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/Duality-EOR10.pdf"
    ,
    year = "2010"
    }
  • T. K. Ralphs, A. Mahajan, and M. Güzelsoy, “SYMPHONY Version 5.2 User’s Manual,” COR@L Laboratory, Lehigh University 2010. [Software] [PDF] [Bibtex]
    @TechReport{ RalMahGuz10,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K and Mahajan, A and G{\"u}zelsoy, M",
    institution  = "COR@L Laboratory, Lehigh University",
    title = "SYMPHONY Version 5.2 User's Manual",
    url = "http://www.coin-or.org/SYMPHONY/doc/SYMPHONY-5.2.3-Manual.pdf"
    ,
    year = "2010"
    }
  • Z. Akca, R. T. Berger, and T. K. Ralphs, “Solution Methods for the Multi-trip Elementary Shortest Path Problem with Resource Constraints,” COR@L Laboratory, Lehigh University 2010. available by request. [PDF] [Bibtex]
    @TechReport{ AkcBerRal10,
    annote  = "available by request",
    author  = "Akca, Z and Berger, R T and Ralphs, T K",
    institution  = "COR@L Laboratory, Lehigh University",
    title = "Solution Methods for the Multi-trip Elementary Shortest
    Path Problem with Resource Constraints",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/MESPPRC10.pdf"
    ,
    year = "2010"
    }
  • T. K. Ralphs and M. V. Galati, “Decomposition Methods,” in Encyclopedia of Operations Research and Management Science, J. Cochran, Ed., Wiley, 2010. [PDF] [DOI] [Bibtex]
    @InCollection{ RalGal10,
    author  = "Ralphs, T K and Galati, M V",
    booktitle  = "Encyclopedia of Operations Research and Management
    Science",
    doi = "10.1002/9780470400531",
    editor  = "Cochran, J.",
    publisher  = "Wiley",
    title = "Decomposition Methods",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/Decomp-EOR10.pdf"
    ,
    year = "2010"
    }
  • A. Mahajan and T. K. Ralphs, “On the Complexity of Selecting Disjunctions in Integer Programming,” SIAM Journal on Optimization, vol. 20, iss. 5, pp. 2181-2198, 2010. [PDF] [DOI] [Bibtex]
    @Article{ MahRal10,
    author  = "Mahajan, A and Ralphs, T K",
    doi = "10.1137/080737587",
    journal  = "SIAM Journal on Optimization",
    number  = "5",
    pages = "2181--2198",
    title = "On the Complexity of Selecting Disjunctions in Integer
    Programming",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/Branching08.pdf"
    ,
    volume  = "20",
    year = "2010"
    }

2009

  • A. Lodi and T. K. Ralphs, “Bilevel Programming and Maximally Violated Valid Inequalities,” in Proceedings of the Cologne Twente Workshop on Graphs and Combinatorial Optimization, 2009, pp. 125-134. [PDF] [Bibtex]
    @InProceedings{ LodRal09,
    author  = "Lodi, A and Ralphs, T K",
    booktitle  = "Proceedings of the Cologne Twente Workshop on Graphs and
    Combinatorial Optimization",
    pages = "125--134",
    title = "Bilevel Programming and Maximally Violated Valid
    Inequalities",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/CTW09.pdf",
    year = "2009"
    }
  • Z. Akca, R. T. Berger, and T. K. Ralphs, “A Branch-and-Price Algorithm for Combined Location and Routing Problems Under Capacity Restrictions,” in Proceedings of the Eleventh INFORMS Computing Society Meeting, 2009, pp. 309-330. [PDF] [DOI] [Bibtex]
    @InProceedings{ AkcBerRal09,
    author  = "Akca, Z and Berger, R T and Ralphs, T K",
    booktitle  = "Proceedings of the Eleventh INFORMS Computing Society
    Meeting",
    doi = "10.1007/978-0-387-88843-9_16",
    pages = "309--330",
    title = "A Branch-and-Price Algorithm for Combined Location and
    Routing Problems Under Capacity Restrictions",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/LRP08.pdf",
    year = "2009"
    }
  • Y. Xu, T. K. Ralphs, L. Ladányi, and M J. Saltzman, “Computational Experience with a Software Framework for Parallel Integer Programming,” The INFORMS Journal on Computing, vol. 21, pp. 383-397, 2009. [Software] [PDF] [DOI] [Bibtex]
    @Article{ XuRalLadSal09,
    software  = "https://projects.coin-or.org/CHiPPS",
    author  = "Xu, Y and Ralphs, T K and Lad{\'a}nyi, L and Saltzman, M
    J",
    doi = "10.1287/ijoc.1090.0347",
    journal  = "The INFORMS Journal on Computing",
    pages = "383--397",
    title = "Computational Experience with a Software Framework for
    Parallel Integer Programming",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/CHiPPS-Rev.pdf"
    ,
    volume  = "21",
    year = "2009"
    }
  • A. Mahajan and T. K. Ralphs, “Experiments with Branching using General Disjunctions,” in Proceedings of the Eleventh INFORMS Computing Society Meeting, 2009, pp. 101-118. [PDF] [DOI] [Bibtex]
    @InProceedings{ MahRal09,
    author  = "Mahajan, A and Ralphs, T K",
    booktitle  = "Proceedings of the Eleventh INFORMS Computing Society
    Meeting",
    doi = "10.1007/978-0-387-88843-9_6",
    pages = "101--118",
    title = "Experiments with Branching using General Disjunctions",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/CompBranching08.pdf"
    ,
    year = "2009"
    }
  • S. DeNegre and T. K. Ralphs, “A Branch-and-Cut Algorithm for Bilevel Integer Programming,” in Proceedings of the Eleventh INFORMS Computing Society Meeting, 2009, pp. 65-78. [Software] [PDF] [DOI] [Bibtex]
    @InProceedings{ DeNRal09,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "DeNegre, S and Ralphs, T K",
    booktitle  = "Proceedings of the Eleventh INFORMS Computing Society
    Meeting",
    doi = "10.1007/978-0-387-88843-9_4",
    pages = "65--78",
    title = "A Branch-and-Cut Algorithm for Bilevel Integer
    Programming",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/BILEVEL08.pdf"
    ,
    year = "2009"
    }

2008

  • M. Güzelsoy and T. K. Ralphs, “The Value Function of a Mixed-integer Linear Program with a Single Constraint,” COR@L Laboratory, Lehigh University 2008. [PDF] [Bibtex]
    @TechReport{ GuzRal08,
    author  = "G{\"u}zelsoy, M and Ralphs, T K",
    institution  = "COR@L Laboratory, Lehigh University",
    title = "The Value Function of a Mixed-integer Linear Program with
    a Single Constraint",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/ValueFunction.pdf"
    ,
    year = "2008"
    }
  • T. K. Ralphs, “SYMPHONY Version 5.1 User’s Manual,” COR@L Laboratory, Lehigh University 2008. [Software] [PDF] [Bibtex]
    @TechReport{ Ral08,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K",
    institution  = "COR@L Laboratory, Lehigh University",
    title = "SYMPHONY Version 5.1 User's Manual",
    url = "http://www.coin-or.org/SYMPHONY/SYMPHONY-5.1.8-Manual.pdf",
    year = "2008"
    }
  • Z. Akca, R. T. Berger, and T. K. Ralphs, “Modeling and Solving Location, Routing, and Scheduling Problems,” COR@L Laboratory Report 08T-009, Lehigh University 2008. [PDF] [Bibtex]
    @TechReport{ AkcBerRal08,
    author  = "Akca, Z and Berger, R T and Ralphs, T K",
    institution  = "COR@L Laboratory Report 08T-009, Lehigh University",
    title = "Modeling and Solving Location, Routing, and Scheduling
    Problems",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/LRSP08.pdf",
    year = "2008"
    }

2007

  • O. Osaltyn, B. Hunsaker, and T. K. Ralphs, “Visualizing Branch-and-Bound Algorithms,” COR@L Laboratory, Lehigh Univesity 2007. [Software] [PDF] [Bibtex]
    @TechReport{ OsaHunRal07,
    software  = "http://github.com/coin-or/GrUMPy",
    author  = "Osaltyn, O and Hunsaker, B and Ralphs, T K",
    institution  = "COR@L Laboratory, Lehigh Univesity",
    title = "Visualizing Branch-and-Bound Algorithms",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/BBVis.pdf",
    year = "2007"
    }
  • Y. Xu, T. K. Ralphs, L. Ladányi, and M J. Saltzman, “Computational Experience with a Framework for Parallel Integer Programming,” COR@L Laboratory Report , Lehigh University 2007. [Software] [PDF] [Bibtex]
    @TechReport{ XuRalLadSal07,
    software  = "https://projects.coin-or.org/CHiPPS",
    author  = "Xu, Y and Ralphs, T K and Lad{\'a}nyi, L and Saltzman, M
    J",
    institution  = "COR@L Laboratory Report , Lehigh University",
    title = "Computational Experience with a Framework for Parallel
    Integer Programming",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/CHiPPS.pdf",
    year = "2007"
    }
  • M. Güzelsoy and T. K. Ralphs, “Duality for Mixed-Integer Linear Programs,” International Journal of Operations Research, vol. 4, pp. 118-137, 2007. [PDF] [Bibtex]
    @Article{ GuzRal07,
    author  = "G{\"u}zelsoy, M and Ralphs, T K",
    journal  = "International Journal of Operations Research",
    pages = "118--137",
    title = "Duality for Mixed-Integer Linear Programs",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/MILPD06.pdf",
    volume  = "4",
    year = "2007"
    }

2006

  • T. K. Ralphs and M. Güzelsoy, “Duality and Warm Starting in Integer Programming,” in The Proceedings of the 2006 NSF Design, Service, and Manufacturing Grantees and Research Conference, 2006. [Software] [PDF] [Bibtex]
    @InProceedings{ RalGuz06,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K and G{\"u}zelsoy, M",
    booktitle  = "The Proceedings of the 2006 NSF Design, Service, and
    Manufacturing Grantees and Research Conference",
    title = "Duality and Warm Starting in Integer Programming",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/DMII06.pdf",
    year = "2006"
    }
  • T. K. Ralphs, “Parallel Branch and Cut,” in Parallel Combinatorial Optimization, E. Talbi, Ed., New York: Wiley, 2006, pp. 53-101. [Software] [PDF] [Bibtex]
    @InCollection{ Ral06,
    address  = "New York",
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K",
    booktitle  = "Parallel Combinatorial Optimization",
    editor  = "E. Talbi",
    pages = "53--101",
    publisher  = "Wiley",
    title = "Parallel Branch and Cut",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/PBandC.pdf",
    year = "2006"
    }
  • T. K. Ralphs and M. V. Galati, “Decomposition and Dynamic Cut Generation in Integer Programming,” Mathematical Programming, vol. 106, pp. 261-285, 2006. [Software] [PDF] [DOI] [Bibtex]
    @Article{ RalGal06,
    software  = "https://projects.coin-or.org/",
    author  = "Ralphs, T K and Galati, M V",
    doi = "10.1007/s10107-005-0606-3",
    journal  = "Mathematical Programming",
    pages = "261--285",
    title = "Decomposition and Dynamic Cut Generation in Integer
    Programming",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/DECOMP.pdf",
    volume  = "106",
    year = "2006"
    }
  • T. K. Ralphs, M. J. Saltzman, and M. M. Wiecek, “An Improved Algorithm for Biobjective Integer Programming,” Annals of Operations Research, vol. 147, pp. 43-70, 2006. [Software] [PDF] [DOI] [Bibtex]
    @Article{ RalSalWie06,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K and Saltzman, M J and Wiecek, M M",
    doi = "10.1007/s10479-006-0058-z",
    journal  = "Annals of Operations Research",
    pages = "43--70",
    title = "An Improved Algorithm for Biobjective Integer Programming",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/BICRIT2.pdf",
    volume  = "147",
    year = "2006"
    }

2005

  • T. K. Ralphs and M. Güzelsoy, “The SYMPHONY Callable Library for Mixed-Integer Linear Programming,” in Proceedings of the Ninth INFORMS Computing Society Conference, 2005, pp. 61-76. [Software] [PDF] [DOI] [Bibtex]
    @InProceedings{ RalGuz05,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K and G{\"u}zelsoy, M",
    booktitle  = "Proceedings of the Ninth INFORMS Computing Society
    Conference",
    doi = "10.1007/0-387-23529-9_5",
    pages = "61--76",
    title = "The SYMPHONY Callable Library for Mixed-Integer Linear
    Programming",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/SYMPHONY04.pdf"
    ,
    year = "2005"
    }
  • J. T. Linderoth and T. K. Ralphs, “Noncommercial Software for Mixed-Integer Linear Programming,” in Integer Programming: Theory and Practice, J. Karlof, Ed., CRC Press, 2005, pp. 253-303. [PDF] [Bibtex]
    @InCollection{ LinRal05,
    author  = "Linderoth, J T and Ralphs, T K",
    booktitle  = "Integer Programming: Theory and Practice",
    editor  = "Karlof, J",
    pages = "253--303",
    publisher  = "CRC Press",
    title = "Noncommercial Software for Mixed-Integer Linear
    Programming",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/MILP04.pdf",
    year = "2005"
    }
  • T. K. Ralphs and M. V. Galati, “Decomposition in Integer Programming,” in Integer Programming: Theory and Practice, J. Karlof, Ed., CRC Press, 2005, pp. 57-110. [PDF] [Bibtex]
    @InCollection{ RalGal05,
    author  = "Ralphs, T K and Galati, M V",
    booktitle  = "Integer Programming: Theory and Practice",
    editor  = "Karlof, J",
    pages = "57--110",
    publisher  = "CRC Press",
    title = "Decomposition in Integer Programming",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/DECOMP04.pdf",
    year = "2005"
    }
  • Y. Xu, T. K. Ralphs, L. Ladányi, and M J. Saltzman, “ALPS: A Framework for Implementing Parallel Search Algorithms,” in The Proceedings of the Ninth INFORMS Computing Society Conference, 2005, pp. 319-334. [Software] [PDF] [DOI] [Bibtex]
    @InProceedings{ XuRalLadSal05,
    software  = "https://projects.coin-or.org/CHiPPS",
    author  = "Xu, Y and Ralphs, T K and Lad{\'a}nyi, L and Saltzman, M
    J",
    booktitle  = "The Proceedings of the Ninth INFORMS Computing Society
    Conference",
    doi = "10.1007/0-387-23529-9_21",
    pages = "319--334",
    title = "ALPS: A Framework for Implementing Parallel Search
    Algorithms",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/ALPS04.pdf",
    year = "2005"
    }

2004

  • T. K. Ralphs, “SYMPHONY Version 5.0 User’s Manual,” COR@L Laboratory, Lehigh University, Technical Report , 2004. [Software] [Bibtex]
    @TechReport{ Ral04,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K",
    institution  = "COR@L Laboratory, Lehigh University",
    title = "SYMPHONY Version 5.0 User's Manual",
    type = "Technical Report",
    year = "2004"
    }
  • T. K. Ralphs and M. Güzelsoy, “Duality, Warm Starting, and Sensitivity Analysis in Integer Programming,” COR@L Laboratory Report 04T-022, Lehigh University 2004. Available by request. [PDF] [Bibtex]
    @TechReport{ RalGuz04,
    annote  = "Available by request",
    author  = "Ralphs, T K and G{\"u}zelsoy, M",
    institution  = "COR@L Laboratory Report 04T-022, Lehigh University",
    title = "Duality, Warm Starting, and Sensitivity Analysis in
    Integer Programming",
    url = "http://ise.lehigh.edu/sites/ise.lehigh.edu/files/04t{\_}022.pdf"
    ,
    year = "2004"
    }
  • T. K. Ralphs, L. Ladányi, and M. J. Saltzman, “A Library Hierarchy for Implementing Scalable Parallel Search Algorithms,” Journal of Supercomputing, vol. 28, pp. 215-234, 2004. [Software] [PDF] [DOI] [Bibtex]
    @Article{ RalLadSal04,
    software  = "https://projects.coin-or.org/CHiPPS",
    author  = "Ralphs, T K and Lad{\'a}nyi, L and Saltzman, M J",
    doi = "10.1023/B:SUPE.0000020179.55383.ad",
    journal  = "Journal of Supercomputing",
    pages = "215--234",
    title = "A Library Hierarchy for Implementing Scalable Parallel
    Search Algorithms",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/JSC02.pdf",
    volume  = "28",
    year = "2004"
    }
  • R. Lougee-Heimer, M. J. Saltzman, and T. K. Ralphs, COIN of the OR Realm, , 2004. [PDF] [Bibtex]
    @Misc{ LouSalRal04,
    author  = "Lougee-Heimer, R and Saltzman, M J and Ralphs, T K",
    journal  = "OR/MS Today",
    month = "oct",
    title = "COIN of the OR Realm",
    url = "http://www.lionhrtpub.com/orms/orms-10-04/frcoin.html",
    year = "2004"
    }
  • T. K. Ralphs, M. J. Saltzman, and M. M. Wiecek, “An Improved Algorithm for Biobjective Integer Programming and Its Application to Network Routing Problems,” COR@L Laboratory Report 04T-004, Lehigh University 2004. [Software] [PDF] [Bibtex]
    @TechReport{ RalSalWie04,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K and Saltzman, M J and Wiecek, M M",
    institution  = "COR@L Laboratory Report 04T-004, Lehigh University",
    title = "An Improved Algorithm for Biobjective Integer Programming
    and Its Application to Network Routing Problems",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/BICRIT.pdf",
    year = "2004"
    }

2003

  • T. K. Ralphs, “Parallel Branch and Cut for Capacitated Vehicle Routing,” Parallel Computing, vol. 29, pp. 607-629, 2003. [Software] [PDF] [DOI] [Bibtex]
    @Article{ Ral03,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K",
    doi = "10.1016/S0167-8191(03)00045-0",
    journal  = "Parallel Computing",
    pages = "607--629",
    title = "Parallel Branch and Cut for Capacitated Vehicle Routing",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/PVRP.pdf",
    volume  = "29",
    year = "2003"
    }
  • T. K. Ralphs, “SYMPHONY Version 4.0 User’s Manual,” COR@L Laboratory, Lehigh University, Technical Report , 2003. [Software] [Bibtex]
    @TechReport{ Ral03-1,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K",
    institution  = "COR@L Laboratory, Lehigh University",
    title = "SYMPHONY Version 4.0 User's Manual",
    type = "Technical Report",
    year = "2003"
    }
  • T. K. Ralphs, L. Ladányi, and M. J. Saltzman, “Parallel Branch, Cut, and Price for Large-Scale Discrete Optimization,” Mathematical Programming, vol. 98, pp. 253-280, 2003. [Software] [PDF] [DOI] [Bibtex]
    @Article{ RalLadSal03,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K and Lad{\'a}nyi, L and Saltzman, M J",
    doi = "10.1007/s10107-003-0404-8",
    journal  = "Mathematical Programming",
    pages = "253--280",
    title = "Parallel Branch, Cut, and Price for Large-Scale Discrete
    Optimization",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/PBCP.pdf",
    volume  = "98",
    year = "2003"
    }
  • T. K. Ralphs, L. Kopman, W. R. Pulleyblank, and L. E. Trotter Jr., “On the Capacitated Vehicle Routing Problem,” Mathematical Programming, vol. 94, pp. 343-359, 2003. [Software] [PDF] [DOI] [Bibtex]
    @Article{ RalKopPulTro-Jr03,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K and Kopman, L and Pulleyblank, W R and Trotter
    Jr., L E",
    doi = "10.1007/s10107-002-0323-0",
    journal  = "Mathematical Programming",
    pages = "343--359",
    title = "On the Capacitated Vehicle Routing Problem",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/VRP.pdf",
    volume  = "94",
    year = "2003"
    }

2002

  • L. Ladányi, T. K. Ralphs, and M. J. Saltzman, “Implementing Scalable Parallel Search Algorithms for Data-intensive Applications,” in Proceedings of the International Conference on Computational Science, 2002, pp. 592-602. [Software] [PDF] [DOI] [Bibtex]
    @InProceedings{ LadRalSal02,
    software  = "https://projects.coin-or.org/CHiPPS",
    author  = "Lad{\'a}nyi, L and Ralphs, T K and Saltzman, M J",
    booktitle  = "Proceedings of the International Conference on
    Computational Science",
    doi = "10.1007/3-540-46043-8_60",
    pages = "592--602",
    title = "Implementing Scalable Parallel Search Algorithms for
    Data-intensive Applications",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/ICCS02.pdf",
    year = "2002"
    }

2001

  • T. K. Ralphs, L. Ladányi, and M. J. Saltzman, “A Library Hierarchy for Implementing Scalable Parallel Search Algorithms,” Industrial and Systems Engineering, Lehigh University 2001. [Software] [PDF] [Bibtex]
    @TechReport{ RalLadSal01,
    software  = "https://projects.coin-or.org/CHiPPS",
    author  = "Ralphs, T K and Lad{\'a}nyi, L and Saltzman, M J",
    institution  = "Industrial and Systems Engineering, Lehigh University",
    title = "A Library Hierarchy for Implementing Scalable Parallel
    Search Algorithms",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/ALPS.pdf",
    year = "2001"
    }
  • T. K. Ralphs and L. Ladányi, “COIN/BCP User’s Manual,” COR@L Laboratory, Lehigh University 2001. [Software] [PDF] [Bibtex]
    @TechReport{ RalLad01,
    software  = "http://projects.coin-or.org/Bcp",
    author  = "Ralphs, T K and Lad{\'a}nyi, L",
    institution  = "COR@L Laboratory, Lehigh University",
    title = "COIN/BCP User's Manual",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/BCP-Manual.pdf"
    ,
    year = "2001"
    }
  • L. Ladányi, T. K. Ralphs, and L. E. Trotter Jr., “Branch, Cut, and Price: Sequential and Parallel,” in Computational Combinatorial Optimization, D. Naddef and M. Juenger, Eds., Berlin: Springer, 2001, pp. 223-260. [PDF] [DOI] [Bibtex]
    @InCollection{ LadRalTro-Jr01,
    address  = "Berlin",
    author  = "Lad{\'a}nyi, L and Ralphs, T K and Trotter Jr., L E",
    booktitle  = "Computational Combinatorial Optimization",
    doi = "10.1007/3-540-45586-8_6",
    editor  = "Naddef, D and Juenger, M",
    pages = "223--260",
    publisher  = "Springer",
    title = "Branch, Cut, and Price: Sequential and Parallel",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/LNCS.pdf",
    year = "2001"
    }
  • T. K. Ralphs and J. C. Hartman, “Capacitated Network Routing (A Preliminary Progress Report),” COR@L Laboratory Report 01W-009, Lehigh University 2001. [Software] [PDF] [Bibtex]
    @TechReport{ RalHar01,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K and Hartman, J C",
    institution  = "COR@L Laboratory Report 01W-009, Lehigh University",
    title = "Capacitated Network Routing (A Preliminary Progress
    Report)",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/CNRP.pdf",
    year = "2001"
    }
  • R. Lougee-Heimer, M. J. Saltzman, and T. K. Ralphs, The COIN-OR Initiative: Open-source Software Accelerates Operations Research Progress, , 2001. [PDF] [Bibtex]
    @Misc{ LouSalRal01,
    author  = "Lougee-Heimer, R and Saltzman, M J and Ralphs, T K",
    journal  = "OR/MS Today",
    title = "The COIN-OR Initiative: Open-source Software Accelerates
    Operations Research Progress",
    url = "http://lionhrtpub.com/orms/orms-10-01/forumfr.html",
    year = "2001"
    }

2000

  • T. K. Ralphs and L. Ladányi, “SYMPHONY: A Parallel Framework for Branch, Cut, and Price,” Rice University 2000. [Software] [Bibtex]
    @TechReport{ RalLad00,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K and Lad{\'a}nyi, L",
    institution  = "Rice University",
    title = "SYMPHONY: A Parallel Framework for Branch, Cut, and Price",
    year = "2000"
    }

1997

  • M. Esö, L. Ladányi, T. K. Ralphs, and L. E. Trotter Jr., “Fully Parallel Generic Branch-and-Cut Framework,” in Proceedings of the Eighth SIAM Conference on Parallel Processing for Scientific Computing, 1997. [Software] [Bibtex]
    @InProceedings{ EsoLadRalTro-Jr97,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Es{\"o}, M and Lad{\'a}nyi, L and Ralphs, T K and Trotter
    Jr., L E",
    booktitle  = "Proceedings of the Eighth {{}SIAM{}} Conference on
    Parallel Processing for Scientific Computing",
    title = "Fully Parallel Generic Branch-and-Cut Framework",
    year = "1997"
    }

1995

  • T. K. Ralphs, “Parallel Branch and Cut for Vehicle Routing,” PhD Thesis, 1995. [Software] [Bibtex]
    @PhDThesis{ Ral95,
    software  = "https://projects.coin-or.org/SYMPHONY",
    author  = "Ralphs, T K",
    month = "may",
    school  = "Cornell University",
    title = "Parallel Branch and Cut for Vehicle Routing",
    year = "1995"
    }

1993

  • T. K. Ralphs, “On the Mixed Chinese Postman Problem,” Operations Research Letters, vol. 14, pp. 123-127, 1993. [PDF] [DOI] [Bibtex]
    @Article{ Ral93,
    author  = "Ralphs, T K",
    doi = "10.1016/0167-6377(93)90021-8",
    journal  = "Operations Research Letters",
    pages = "123--127",
    title = "On the Mixed Chinese Postman Problem",
    url = "http://coral.ie.lehigh.edu/~ted/files/papers/MPP.pdf",
    volume  = "14",
    year = "1993"
    }

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