## Articles under Review

- T. T. Nguyen, J.-P. P. Richard, and M. Tawarmalani, “
*Deriving convex hulls through lifting and projection*,” submitted to**Mathematical Programming**(third revision). - D. Davarnia, J.-P. P. Richard, and M. Tawarmalani, “
*Simultaneous convexification of bilinear functions over polytopes with application to network interdiction*,” submitted to**SIAM Journal on Optimization**(first revision). - D. Davarnia, J.-P. P. Richard, and E. Icyuz, “
*Unsplittable Network Flow Problems: Models and Applications*,” submitted to**Operations Research**(first revision). - T. T. Nguyen, J.-P. P. Richard and M. Tawarmalani, “
*Convexification techniques for linear complementarity constraints*”, submitted to**Mathematical Programming**. - J. Kim, M. Tawarmalani, and J.-P. P. Richard, “
*On cutting planes for cardinality constraints optimization problems*,” submitted to**Mathematical Programming**.

## Refereed Journal Publications

- A. N. Arslan, J.-P. P. Richard, and Y. Guan. “
*On the polyhedral structure of two-level lot-sizing problems with supplier selection*,”**Naval Research Logistics**, 8, 647-666, 2016 - I. E. Içyüz-Ay, J-P P. Richard, E. Eskigun, and D. Acharya. “
*A Two-Model Solution Approach for the Monthly Coal Train Reservations Planning Problem,”***Transportation Science**, 50, 926-946, 2016. - Y. Tang, J.-P. P. Richard and J. C. Smith. “
*A class of algorithms for mixed integer bilevel min-max optimization*,”**Journal on Global Optimization**, 66, 225-262, 2016. - D.L. Burchett and J.-P.P. Richard. “
*Multi-commodity variable upper bound flow models*,”**Discrete Optimization**, 17, 89-122, 2015. - A. Diabat and J.-P. P. Richard. “
*An integrated supply chain problem: a nested lagrangian relaxation approach*,”**Annals of Operations Research**, 229, 303-323,2015. - K. H. Chung, J.-P P. Richard and M. Tawarmalani. “
*Lifted inequalities for 0-1 mixed-integer bilinear covering sets*,”**Mathematical Programming**, 145, 403-450, 2014. - T. Le, A. Diabat, J.-P. P. Richard, and Y. Yih. “
*A column generation-based heuristic algorithm for an inventory routing problem with perishable product*,”**Optimization Letters**, 7, 1481-1502, 2013. - M. Tawarmalani, J.-P P. Richard and C. X. Xiong, “
*Explicit convex and concave envelopes through polyhedral subdivisions*,”**Mathematical Programming**, 138,531-577, 2013. - A. Diabat, J.-P. P. Richard and C. W. Codrington “
*A Lagrangian relaxation approach to simultaneous strategic and tactical planning in supply chain design*,”**Annals of Operations Research**, 203, 55-80, 2013. - J. P. Turner, J. Qiao, M. Lawley, J.-P. Richard and D. Abraham “
*Mitigating shortage and distribution in damaged water networks*,”**Socio-Economic Planning Sciences**, 46, 315-326, 2012. - A. T. Tuncel, F. Preciado-Walters, R. L. Rardin, M. Langer and J.-P. P. Richard. “
*Strong valid inequalities for fluence map optimization problems under dose volume restrictions*,”**Annals of Operations Research**, 196, 819-840, 2012. - A. Narisetty, J.-P. P. Richard, and G. L. Nemhauser “
*Lifted tableaux inequalities for 0-1 mixed-integer programs: a computational study*,”**Informs Journal on Computing**, 23, 416-424, 2011. - B. Zeng and J.-P. P. Richard “
*A polyhedral study on 0-1 knapsack problems with disjoint cardinality constraints: strong valid inequalities by sequence-independent lifting*”,**Discrete Optimization**, 8, 259-276, 2011. - B. Zeng and J.-P. P. Richard “
*A polyhedral study on 0-1 knapsack problems with disjoint cardinality constraints: facet-defining inequalities by sequential lifting*”,**Discrete Optimization**, 8, 277-301, 2011. - M. Tawarmalani , J.-P. P. Richard and K. H. Chung. “
*Strong valid Inequalities for orthogonal disjunctions and bilinear covering sets*,”**Mathematical Programming**, 124, 481-512, 2010. - S. Dey and J.-P. P. Richard. “
*Relations between facets of low- and high-dimensional group problems*,”**Mathematical Programming**, 123, 285-313, 2010. - J.-P. P. Richard and M. Tawarmalani.
*“Lifting inequalities: a framework for generating strong cuts in nonlinear programming*,”**Mathematical Programming**, 121, 61-104, 2010. - S. Dey, J.-P. P. Richard, Y. Li and L. Miller. “
*On the extreme inequalities of infinite group problems*,”**Mathematical Programming**, 121, 145-170, 2010. - S. Dey and J.-P. P. Richard. “
*A cut improvement procedure and its application to primal cutting plane algorithms*,”**INFORMS Journal on Computing**, 21, 137-150, 2009. - C. A. Arboleda, D. M. Abraham, J.-P. P. Richard and R. Lubitz. “
*Vulnerability assessment of health care facilities during disaster events*,”**ASCE Journal of Infrastructure Systems**, 15, 149-161, 2009. - J.-P. P. Richard, Y. Li and L. Miller. “
*Valid inequalities for MIPs and group polyhedra from approximate liftings*,”**Mathematical Programming**, 118, 253-277, 2009. - A. Narisetty, J.-P. P. Richard, D. Ramcharan, D. Murphy, G. Minsk, and J. Fuller. “
*An optimization model for empty freight car assignment at Union Pacific Railroad*,”**Interfaces**, 38, 89-102, 2008. - M. Lawley, V. Parmeshwaran, J.-P. P. Richard, A. Turkcan, A. Dalal and D. Ramcharan. “
*A time-space scheduling model for optimizing recurring bulk railcar*,”**Transportation Research Part B Methodological**, 42, 438-454, 2008. - L. A. Miller, Y. Li, J.-P. P. Richard. “
*New families of facets of finite and infinite group problems from approximate lifting*,”**Naval Research Logistics**55, 172-191, 2008. - Y. Li and J.-P. P. Richard. “
*Cook, Kannan and Schrijver’s example revisited*,”**Discrete Optimization**, 5, 724-734, 2008. - S. Dey and J.-P. P. Richard. “
*Facets of two-dimensional infinite group problems*,”**Mathematics of Operations Research**, 33, 140-166, 2008. - J. Qiao, H.S. Jeong, M. Lawley, J.-P. P. Richard, D.M. Abraham, and Y. Yih. “
*Allocating security resources in water infrastructure*,”**IIE Transactions**, 39, 95-109, 2007. - M. U. Thomas and J.-P. P. Richard. “
*Warranty based method for establishing reliability improvement targets*,”**IIE Transactions**, 38, 1049-1058, 2006. - H.S. Jeong, J. Qiao, D.M. Abraham, M. Lawley, J.-P. P. Richard, and Y. Yih. “
*Minimizing the consequences of intentional attack on water infrastructure*,”**Computer-Aided Civil and Infrastructure Engineering**, 21, 79-92, 2006. - J.-P. P. Richard, I. R. de Farias and G.L. Nemhauser. “
*Lifted inequalities for 0-1 mixed integer programming : superlinear lifting*”,**Mathematical Programming**, 98, 115-143, 2003. - J.-P. P. Richard, I. R. de Farias and G.L. Nemhauser.
*“Lifted inequalities for 0-1 mixed integer programming : basic theory and algorithms*”,**Mathematical Programming**, 98, 89-113, 2003.

## Book Chapters

- J.-P. P. Richard. ”
*Inequalities from group relaxations*”,**Wiley Encyclopedia of Operations Research and Management Science**, 2011, doi:10.1002/9780470400531.eorms0402. - J.-P. P. Richard. ”
*Lifting techniques for mixed integer programming*”,**Wiley Encyclopedia of Operations Research and Management Science**, 2011, doi:10.1002/9780470400531.eorms0464. - J.-P. P. Richard and S. Dey. “
*The group-theoretic approach to mixed integer programming*,” in**50 Years of Integer Programming 1958-2008**, eds Junger et al., Springer, 727-801, 2010.

## Publications in Refereed Conference Proceedings

- T. T. Nguyen, M Tawarmalani and J.-P. P. Richard. “
*Convexification techniques for linear complementarity constraints*,” in O. G¨unl¨uk & G. J. Woeginger (Eds.):

**Integer Programming and Combinatoral Optimization 15**. Lecture Notes in Computer Science, 6655, 336-348, 2011. - A. Diabat and J.-P. P. Richard. “
*Optimization modeling of an integrated supply chain network*,” in Proceedings of the 2009**IEEE IEEM**. Proceedings, pgs 518-

522, 2009. Proceedings available online with IEEE Xplore. - B. Zeng and J.-P. P. Richard. “
*A framework to derive multidimensional superadditive lifting functions and its applications*”, in M. Fischetti & D. P. Williamson (Eds.),**Integer Programming and Combinatorial Optimization 12**. Lecture Notes in Computer Science 4513, 210-224, 2007. - S. Dey and J.-P. P. Richard. “
*Facets of the two-dimensional group problem*”, in M. Fischetti & D. P. Williamson (Eds.),**Integer Programming and Combinatorial Optimization 12**. Lecture Notes in Computer Science 4513, 30-42, 2007. - C.A. Arboleda, D.M. Abraham, J.-P. P. Richard, R. Lubitz. “
*Impact of interdependencies between infrastructure systems in the operation of heath care facilities during disaster events*,” in Proceedings of the**Joint International Conference on Computing and Decision Making in Civil and Building Engineering**, 2006 (proceedings on CD-ROM, ISBN 2921145588). - H.S. Jeong, J. Qiao, D.M. Abraham, M. Lawley, J.-P. P. Richard, and Y. Yih. “
*A consequence mitigation model for water networks subject to intentional physical*

*attacks*,” in L. Soibelman & F. Pena-Mora (Eds.), Proceedings of the 2005**ASCE International Conference of Computing in Civil Engineering**, 2005 (proceedings n CD-ROM, ISBN 0784407940). - H. S. Jeong, D. M. Abraham, J. Qiao, M. Lawley, J.-P. P. Richard, and Y. Yih. “
*Issues in risk management of water networks against intentional attacks*,” in

J.J. Galleher & M.T. Stift (Eds.), Proceedings of the 2004**ASCE International Conference on Pipeline Engineering and Construction**, 2004 (proceedings on

CD-ROM, ISBN 0784407452). - J.-P. P. Richard, I. R. de Farias and G.L. Nemhauser. “
*A simplex based Algorithm for 0-1 mixed integer programming*,” in M. Junger, G. Reinelt & G. Rinaldi (Eds.),**Combinatorial Optimization – Eureka, You Shrink!**Lecture Notes in Computer Science 2570, 158-170, 2003. - J.-P. P. Richard, I. R. de Farias and G.L. Nemhauser. “
*Lifted inequalities for 0-1 mixed integer programming : basic theory and algorithms*,” in W.J. Cook & A.S. Schulz (Eds.),**Integer Programming and Combinatorial Optimization 9**. Lecture Notes in Computer Science 2337, 161-175, 2002.