Mohit's CV

Mohit Tawarmalani

100 S. Grant Street, West Lafayette, IN 47907-2076
Email

Website: web.ics.purdue.edu/~mtawarma
765-496-2620 (w)
765-496-7434 (f)

Education

Ph.D. Industrial Engineering, University of Illinois at Urbana-Champaign, August 2001
Thesis: Mixed Integer Nonlinear Programs: Theory, Algorithms and Applications

M.S. Industrial Engineering, University of Illinois at Urbana-Champaign, May 1997
Thesis: Multistage Network Optimization and Decomposition Algorithms

B.Tech. Mechanical Engineering, Indian Institute of Technology, May 1993
Thesis: Feature Extraction in Turned Components

Academic/Professional Appointments

Allison and Nancy Schleicher Chair of Management, Purdue University, July 2014 - present

Professor, Purdue University, August 2012 - present

Associate Professor, Purdue University, August 2006 - August 2012

Assistant Professor, Purdue University, August 2001 - August 2006

Software Engineer, ComputerVision, India, January 1995 - July 1995

Graduate Engineer, TELCO (Tata Engineering and Locomotive Company), India, July 1993 - December 1994

Research Interests

Mathematical Programming, Complexity and Approximation, Symbolic Computing. Research emphasis is on global optimization theory, algorithms and software. Applications and models in business, economics, systems, engineering design, and molecular design are of particular interest.

Teaching Interests

Deterministic and Stochastic Operations Research, Mathematical Programming, Global Optimization, Convex Optimization, Applied Probability and Statistics, Quantitative Analysis, Spreadsheet Modeling and Decision Analysis, Optimization Models.

Book

Tawarmalani, M. and N. V. Sahinidis, Convexification and Global Optimization in Continuous and Mixed-Integer Nonlinear Programming: Theory, Algorithms, Software and Applications, 504 pages, Kluwer Academic Publishers, 2002.

Journal Publications

  1. R. T. Gooty, R. Agrawal, and M. Tawarmalani, An MINLP Formulation for the Optimization of Multicomponent Distillation Configurations, Computers & Chemical Engineering, accepted

  2. Kim, J., M. Tawarmalani, and J.-P. P. Richard, On cutting planes for cardinality-constrained linear programs, Mathematical Programming, accepted.

  3. Wu, J., M. Tawarmalani, and K. Kannan, Cardinality bundling with Spence-Mirrlees Reservation Prices, Management Science, accepted.

  4. G. M. Ramapriya, A. Selvaraja, L. E. Jimenez Cucaita, J. Huff, M. Tawarmalani, R. Agrawal, Short-cut Methods versus Rigorous Methods for Performance-evaluation of Distillation Configurations, Industrial and Engineering Chemistry Research, 57-22, 7726-7731, 2018.

  5. Z. Jiang, G. M. Ramapriya, M. Tawarmalani, R. Agrawal, Minimum Energy of Multicomponent Distillation Systems Using Minimum Additional Heat and Mass Integration Sections, AIChE Journal, 64-9, 3410-3418, 2018.

  6. G. M. Ramapriya, M. Tawarmalani, R. Agrawal, A systematic method to synthesize all dividing wall columns for n‐component separation: Part II., AIChE Journal, 64-2, 660-672, 2018.

  7. G. M. Ramapriya, M. Tawarmalani, R. Agrawal, A systematic method to synthesize all dividing wall columns for n‐component separation: Part I., AIChE Journal, 64-2, 649-659, 2018.

  8. T. T. Nguyen, J.-P. P. Richard, and M. Tawarmalani, Deriving the convex hull of a partitioning set through lifting and projection, Mathematical Programming, 169, 377-415, 2018.

  9. Davarnia, D., J.-P. P. Richard, and M. Tawarmalani, Simultaneous convexification of bilinear functions over polytopes with applications to network interdiction, SIAM Journal on Optimization, 27(3), 1801-1833, 2017.

  10. Kannan, K., M. S. Rahman, and M. Tawarmalani, Economics and policy implications of restricted patch distribution on software maintenance, Management Science, 62, 3161-3182, 2016.

  11. Nallasivam, U., V. H. Shah, A. A. Shenvi, M. Tawarmalani, and R. Agrawal, Global optimization of multicomponent distillation configurations: 2. Enumeration based minimization algorithm, AIChE Journal, 62-6, 2071-2086, 2016

  12. Ramapriya, G. M., M. Tawarmalani, R. Agrawal, Thermal coupling links to liquid-only transfer streams: An enumeration method for new FTC dividing wall columns, AIChE Journal, 62, 1200-1211, 2016.

  13. Ramapriya, G. M., A. Shenvi, M. Tawarmalani, R. Agrawal, A new framework for combining condenser and reboiler in a configuration to consolidate distillation columns, Ind. Eng. Chem. Res., 54, 10449-10464, 2015.

  14. Gençer, E., D. S. Mallapragada, F. Maréchal, M. Tawarmalani, and R. Agrawal, Round-the-clock power supply and a sustainable economy via synergistic integration of solar thermal power and hydrogen processes, Proceedings of the National Academy of Sciences (direct submission), 112, 15821-15826, 2015.

  15. Bao, X., A. Khajavirad, N. V. Sahinidis, and M. Tawarmalani, Global Optimization of nonconvex problems with multilinear intermediates, Mathematical Programming Computation, 7, 1-37, 2015.

  16. Ramapriya, G. M., M. Tawarmalani, R. Agrawal, Thermal coupling links to liquid-only tranfer streams: A path for new dividing wall columns, AIChE Journal, 60, 2949-2961, 2014.

  17. Mallapragada, D. S., M. Tawarmalani, R. Agrawal, Synthesis of augmented biofuel processes using solar energy, AIChE Journal, 60, 2533-2545, 2014.

  18. Ramapriya, G. M., M. Tawarmalani, R. Agrawal, Modified basic distillation configurations with intermediate sections for energy savings, AIChE Journal, 60, 1091-1097, 2014.

  19. Chung K., J.-P. P. Richard, and M. Tawarmalani, Lifted Inequalities for 0-1 Mixed-Integer Bilinear Covering Sets, Mathematical Programming, 145, 403-450, 2014.

  20. Tawarmalani, M., J.-P. P. Richard, and C. Xiong, Explicit convex and concave envelopes through polyhedral subdivisions, Mathematical Programming, 138, 531-577, 2013.

  21. Nallasivam, U., V. H. Shah, A. A. Shenvi, M. Tawarmalani, and R. Agrawal, Global optimization of multicomponent distillation configurations: 1. Need for a reliable global optimization algorithm, AIChE Journal, 59, 971-981, 2013.

  22. Bao, X., N. V. Sahinidis, and M. Tawarmalani, Semidefinite Relaxations for Quadratically Constrained Quadratic Programming: A Review with Comparisons, Mathematical Programming, 129, 129-157, 2011.

  23. Tawarmalani, M. and Y. Li, Multi-period Network Maintenance Scheduling with Minimum Flow Disruption, Naval Research Logistics, 58, 507-530, 2011.

  24. Tawarmalani, M. and J.-P. P. Richard and K. Chung, Strong Valid Inequalities for Orthogonal Disjunctions and Bilinear Covering Sets, Mathematical Programming, 124, 481-512. 2010.

  25. Richard, J.-P. P., and M. Tawarmalani, Lifting Inequalities: A Framework for Generating Strong Cuts for Nonlinear Programs, Mathematical Programming, 121, 61-104, 2010.

  26. Bao, X., N. V. Sahinidis, and M. Tawarmalani, Multiterm polyhedral relaxations for nonconvex, quadratically constrained quadratic programs, Optimization Methods & Software, 24, 485-504, 2009.

  27. Tawarmalani, M., K. Kannan, and P. De, Allocating Objects in a Network of Caches: Centralized and Decentralized Analyses, Management Science, 55, 132-147, 2009.

  28. Sahinidis, N. V. and M. Tawarmalani, Accelerating branch-and-bound through a language specific construct for relaxation-specific constraints, Journal of Global Optimization, 32, 259-280, 2005.

  29. Tawarmalani, M. and N. V. Sahinidis, A Polyhedral Branch-and-Cut Approach to Global Optimization, Mathematical Programming, 103, 229-249, 2005.

  30. Ahmed, S., M. Tawarmalani and N. V. Sahinidis, A Finite Branch and Bound Algorithm for Two-Stage Stochastic Integer Programs, Mathematical Programming, 100, 355-377, 2004.

  31. Tawarmalani, M. and N. V. Sahinidis, Global Optimization of Mixed Integer Nonlinear Programs: A Theoretical and Computational Study, Mathematical Programming, 99, 563-591, 2004.

  32. Sahinidis, N. V., M. Tawarmalani and M. Yu, Design of Alternative Refrigerants via Global Optimization, American Institute of Chemical Engineers (AICHE) Journal, 49(7) 1761-1775, 2003.

  33. Tawarmalani, M. and N. V. Sahinidis, Convex Extensions and Envelopes of Lower Semi-continuous Functions, Mathematical Programming, 93, 247-263, 2002.

  34. Tawarmalani, M., S. Ahmed and N. V. Sahinidis, Product Disaggregation and Relaxations of Mixed-Integer Rational Programs, Optimization and Engineering, 3, 281-303, 2002.

  35. Tawarmalani, M, S. Ahmed and N. V. Sahinidis, Global Optimization of 0-1 Hyperbolic Programs, Journal of Global Optimization, 24, 385-417, 2002.

  36. Tawarmalani, M. and N. V. Sahinidis, Semidefinite Relaxations of Fractional Programs via Novel Convexification Techniques, with N. V. Sahinidis, Journal of Global Optimization, 20, 137-158, 2001.

  37. Sahinidis, N. V. and M. Tawarmalani, Applications of Global Optimization to Process and Molecular Design, Computers & Chemical Engineering, 24, 2157-2169, 2000.

  38. Adhya, N., M. Tawarmalani and N. V. Sahinidis, A Lagrangian Approach to the Pooling Problem, Industrial & Engineering Chemistry Research, 38(5), 1956-1972, 1999.

Refereed Book Chapters

  1. Tawarmalani, M. and N. V. Sahinidis, Exact Algorithms for Mixed Integer Nonlinear Programming, Handbook of Global Optimization, Volume 2, P. M. Pardalos and H. E. Romeijn (eds.), Kluwer Academic Publishers, 2002.

  2. Tawarmalani, M. and N. V. Sahinidis, The Time Dependent Traveling Salesman Problem, Encyclopedia of Optimization, C. A. Floudas and P. M. Pardalos (eds.) Kluwer Academic Publishers, Vol 5, 445-450, 2001.

Working Papers

  1. T. He and M. Tawarmalani, A New Framework to Relax Composite Functions in Nonlinear Programs, Mathematical Programming, submitted

  2. T. He and M. Tawarmalani, Tractable Relaxations of Composite Functions, Mathematics of Operations Research, submitted

  3. Z. Jiang, T. Mathew, U. Nallasivam, H. Zhang, M. Tawarmalani, and R. Agrawal, Global Optimization of Multicomponent Distillation Configurations: Global Minimization of Total Cost for Multicomponent Mixture Separations, Computers & Chemical Engineering, submitted

  4. J. Kim, M. Tawarmalani, and J.-P. P. Richard, Convexification of Permutation-Invariant Sets and Applications, working paper

  5. T. T. Nguyen, J.-P. P. Richard, and M. Tawarmalani, Convexification Techniques for Linear Complementarity Problem, working paper.

  6. Z. Jiang, M. Tawarmalani, and R. Agrawal, An Accurate Minimum Reflux Calculation Method for Multi-Feed, Multi-Product Distillation Columns Distilling Ideal Multicomponent Mixtures: I. Mathematical Model, working paper

  7. Z. Jiang, M. Tawarmalani, and R. Agrawal, An Accurate Minimum Reflux Calculation Method for Multi-Feed, Multi-Product Distillation Columns Distilling Ideal Multicomponent Mixtures: II. Optimization Model and Case Studies, working paper

  8. Z. Jiang, Z. Chen, J. Huff, A. Shenvi, M. Tawarmalani, R. Agrawal, Global Optimization of Multicomponent Distillation Configurations: 4. Minimization of Total Exergy Loss for Multicomponent Mixture Separations, working paper.

  9. M. Tawarmalani, and J.-P. P. Richard, Decomposition techniques in convexification of inequalities, working paper.

  10. Tawarmalani, M., Inclusion certificates and simultaneous convexification of functions, working paper.

Refereed Conference Proceedings

  1. Z. Jiang, G. M Ramapriya, M. Tawarmalani, R. Agrawal, Process Intensification in Multicomponent Distillation, Chemical Engineering Transactions, 69, 2018.

  2. R. T. Gooty, P. Mobed, M. Tawarmalani, R. Agrawal, Optimal Multicomponent Distillation Column Sequencing: Software and Case Studies, Computer Aided Chemical Engineering, 44, 223-228, 2018.

  3. Barik, A., J. Honorio and M. Tawarmalani, Information Theoretic Limits For Linear Prediction with Graph-Structured Sparsity, IEEE Symposium on Information Theory, IEEE International Symposium on Information Theory, 2348-2352, 2017.

  4. Chang, Y., S. Rao, and M. Tawarmalani, Robust validation of network designs under uncertain demands and failures,, NSDI 2017, 347–362.

  5. Gençer, E., M. Tawarmalani, and R. Agrawal, Integrated solar thermal hydrogen and power coproduction process for continuous power supply and production of chemicals, Computer Aided Chemical Engineering 12 International Symposium on Process Systems Engineering and 25 European Symposium on Computer Aided Process Engineering, 37, 2291-2296, 2015.

  6. Narayanan, S., A. Sivakumar, S. Rao, and M. Tawarmalani, Performance sensitive replication in geo-distributed cloud datastores, IEEE/IFIP International Conference on Dependable Systems and Networks, 240-251, DSN 2014.

  7. Gençer, E., D. Mallapragada, M. Tawarmalani, and R. Agrawal, Synergistic biomass and natural gas conversion to liquid fuel with reduced CO2 Emissions, FOCAPD, 2014.

  8. Nguyen, T. T., M. Tawarmalani, and J.-P. P. Richard, Convexification Techniques for Linear Complementarity Constraints, 15th conference on Integer Programming and Combinatorial Optimization, NY, 2011.

  9. Hajjat, M., X. Sun, Y.W. Sung, D. Maltz, S. G. Rao, K. Sripanidkulchai, and M. Tawarmalani, Cloudward bound: Planning for Beneficial Migration of Enterprise Applications to the Cloud, Proceedings of ACM Sigcomm, 2010.

  10. Xia, Q., O. Ersoy, M. Tawarmalani, and H. Moskowitz, Interactive Clustering and Classification, Proceedings of Artificial Neural Networks in Engineering, ANNIE 2008, 463-470, St. Louis, 2008.

  11. Tawarmalani, M., K. Kannan and P. De, A Mechanism for Allocating Objects in a Network of Symmetric Caches, Proceedings of the Fifteenth Workshop on Information Technologies and Systems, Las Vegas, 249-254, 2005.

Presentations

  1. R. T. Gooty, R. Agrawal, and M. Tawarmalani, On Piecewise Under- and Over-Estimators of Fractional Terms, AIChE Annual Meeting, Salt Lake City, 2018

  2. Z. Jiang, M. Tawarmalani, and R. Agrawal, Minimum Reflux Behavior of Multicomponent Mixture Separation Using Complex Distillation Columns, AIChE Annual Meeting, Salt Lake City, 2018

  3. T. J. Mathew, R. T. Gooty, M. Tawarmalani, and R. Agrawal, Optimization of Heat-Integrated Multicomponent Distillation Sequences, AIChE Annual Meeting, Salt Lake City, 2018

  4. R. T. Gooty, T. J. Mathew, M. Tawarmalani, and R. Agrawal, An MINLP Formulation for the Optimization of Heat-Pump Assisted Distillation Configurations, AIChE Annual Meeting, Salt Lake City, 2018

  5. J.-P. P. Richard, J. Kim, B. Taslimi, and M. Tawarmalani, Computational Evaluation of New Models for Tree Ensembles Optimization, INFORMS Annual Meeting, Phoenix, 2018

  6. T. He and M. Tawarmalani, Mining Expression Trees to Improve Factorable Relaxations, INFORMS Annual Meeting, Phoenix, 2018

  7. T. He and M. Tawarmalani, New Convexification Techniques for Nonconvex Optimization, INFORMS Optimization Society Conference, 2018

  8. J.-P. Richard, B. Taslimi, J. Kim, and M. Tawarmalani, Computational Evaluation of new MIP Models for Tree Ensembles Optimization, ISMP, Bordeaux, 2018

  9. M. Tawarmalani and T. He, Product Convexification: A new relaxation framework for nonconvex programs, ISMP, Bordeaux, 2018

  10. M. Tawarmalani and T. He, Product Convexification: A new relaxation framework for nonconvex programs, Designing and Implementation Algorithms for Mixed-Integer Nonlinear Optimization, Dagstuhl Seminar 18081, 2018

  11. Gooty, R. T., P. Mobed, M. Tawarmalani and R. Agrawal, A Tightly Constrained MINLP-Based Formulation for the Identification of Energy Efficient Distillation Configurations, AIChE Annual Meeting, Minneapolis, 2017

  12. Jiang, Z., M. Tawarmalani and R. Agrawal, Process Intensification in Multicomponent Distillation, AIChE Annual Meeting, Minneapolis, 2017

  13. Mobed P., Z. Jiang, T. J. Mathew, M. Tawarmalani and R. Agrawal, Global Minimization of Multicomponent Distillation Configurations’ Total Cost, AIChE Annual Meeting, Minneapolis, 2017

  14. Jiang Z., M. Tawarmalani and R. Agrawal, A New Minimum Reflux Calculation Method for Multiple-Feed Distillation Columns Distilling Ideal Multicomponent Mixtures, AIChE Annual Meeting, Minneapolis, 2017

  15. Ridha T., E. Gençer, Y. Li, M. Tawarmalani, W. N. Delgass, F. Ribeiro and R. Agrawal, Upgrading Fast-Hydropyrolysis Products of Cellulose to Higher Molecular Weight Products Using Systems-Level Molecular Mapping

  16. Tawarmalani, M. and T. He, Product Convexification: A new relaxation framework for nonconvex programs, MIT OR Center, 2017

  17. Taotao, H. and M. Tawarmalani, On Relaxations of Products of Functions, INFORMS Annual Meeting, Houston, 2017

  18. Tawarmalani, M. and H. Taotao, Revisiting the factorable relaxation scheme, SIAM Conference on Optimization, Vancouver, 2017

  19. Jiang, Z., G. M. Ramapriya, R. T. Gooty, M. Tawarmalani, and R. Agrawal, A Method for Minimization of Total Exergy Loss over the Complete Search Space of Regular Distillation Configurations, AIChE Annual Meeting, San Francisco, 2016

  20. Jiang, Z., G. M. Ramapriya, R. T. Gooty, M. Tawarmalani, and R. Agrawal, Process Intensification of Multicomponent Distillation Configurations Using Minimum Additional Number of Heat and Mass Integrated Sections, AIChE Annual Meeting, San Francisco, 2016

  21. Gençer E., M. Tawarmalani, and R. Agrawal, Systematic Process Design Strategies For Efficient and Synergistic Integration of Solar Thermal Hydrogen, Electricity, and Fresh Water Production Processes, AIChE Annual Meeting, San Francisco, 2016

  22. Tao, J., T. Nguyen, and M. Tawarmalani, An iterative rounding algorithm and almost feasibility for nonconvex optimization, INFORMS Annual Meeting, Nashville, 2016

  23. He, T. and M. Tawarmalani, On LP Relaxations for Nonlinear Programs, INFORMS Annual Meeting, Nashville, 2016

  24. Wu, J., M. Tawarmalani, and K. Kannan, Cardinality Bundling with Complex Costs, INFORMS Annual Meeting, Nashville, 2016

  25. Tawarmalani, M., J. Kim, and J.-P. P. Richard, Exploiting Permutation-Invariance to Construct Tight Relaxations, INFORMS Annual Meeting, Nashville, 2016

  26. Rao, S. G., Y. Chang and M. Tawarmalani, Robust Network Design with Flexible Routing, NSF Algorithms in the Field Workshop on Algorithms for Software-Defined Networking, New Jersey, 2016

  27. Tawarmalani, M., J. Kim, and J.-P. P. Richard, Exploiting Permutation-Invariance to Construct Tight Relaxations, MIP 2016, Miami, 2016

  28. Ramapriya, G. M., M. Tawarmalani, R. Agrawal, A Heat & Mass Integration Approach to Reduce Capital and Operating Costs of a Distillation Configuration, AIChE Annual Meeting, Salt Lake City, 2015

  29. Ramapriya, G. M., M. Tawarmalani, R. Agrawal, Efficient Separation-Process Synthesis, AIChE Annual Meeting, Salt Lake City, 2015

  30. Gençer, E., M. Tawarmalani, R. Agrawal, Integrated Process Design for Efficient Solar Thermal Hydrogen and Power Production, AIChE Annual Meeting, Salt Lake City, 2015

  31. Kim, J., J.-P. P. Richard, M. Tawarmalani, Sparse Principal Component Analysis (SPCA) via Convexification, INFORMS Annual Meeting, Philadelphia, 2015

  32. Davarnia, D., J.-P. P. Richard, M. Tawarmalani, Envelopes of Bilinear Functions over Polytopes With Application to Network Interdiction, INFORMS Annual Meeting, Philadelphia, 2015

  33. Kim, J., J.-P. P. Richard, M. Tawarmalani, A Cut Generation Procedure for Cardinality Constrained Optimization Problems (CCOP), ISMP, Pittsburgh, 2015

  34. Davarnia, D., J.-P. P. Richard, M. Tawarmalani, Envelopes of Bilinear Functions over Polytopes with Applications to Network Interdiction, ISMP, Pittsburgh, 2015

  35. Richard, J.-P. P., D. Davarnia, M. Tawarmalani, Improved Formulations for Network Interdiction through Envelopes of Bilinear Functions over Polytopes, MIP, Chicago, 2015

  36. Gençer, E., M. Tawarmalani, R. Agrawal, Efficient Solar Thermal Integrated Power and Chemical Production Cycles for Uninterrupted Power Supply, 7th Annual AIChE Midwest Regional Conference, Chicago, 2015

  37. Gençer, E., D. Mallagragada, M. Tawarmalani, and R. Agrawal, Synergistic biomass and natural gas process design for liquid fuel production with reduced CO2 emissions, AIChE Annual Meeting, Atlanta, 2014

  38. Ramapriya, G. M., M. Tawarmalani and R. Agrawal, Plethora of dividing wall columns for fully thermally coupled distillation, AIChE Annual Meeting, Atlanta, 2014

  39. Gençer, E., D. Mallagragada, F. Maréchal, M. Tawarmalani, and R. Agrawal, High efficiency solar thermal power and integrated chemical storage cycles for continuous grid power supply, AIChE Annual Meeting, Atlanta, 2014

  40. Tawarmalani, M., and J.-P. P. Richard, Techniques in convexification of separable polynomial inequalities, INFORMS Annual Meeting, San Francisco, 2014

  41. Richard, J.-P. P., T. Nguyen, and M. Tawarmalani, On the equate-and-relax procedure for LPCCs, INFORMS Annual Meeting, San Francisco, 2014

  42. Kim, J., J.-P. P. Richard, and M. Tawarmalani, On cutting planes for cardinality constrained optimization problems, INFORMS Annual Meeting, San Francisco, 2014

  43. Davarnia, D., J.-P. P. Richard, and M. Tawarmalani, On convex relaxations of network interdiction problems, INFORMS Annual Meeting, San Francisco, 2014

  44. Wu, J., K. Kannan, and M. Tawarmalani, Cardinality bundling with constrained prices, INFORMS Annual Meeting, San Francisco, 2014

  45. K. Kannan, M. Tawarmalani, and J. Wu, Cardinality bundles with constrained prices, 8th China Workshop on Information Management, Chengdu, China, 2014

  46. Tawarmalani, M., J.-P. P. Richard, Decomposition techniques in convexification of separable polynomial inequalities, Georgia Tech ISyE Colloquium, Atlanta, 2014

  47. Richard, J.-P. P, T. Nguyen, and M. Tawarmalani, On the Convex Hull of some Nonlinear Sets, 18th Combinatorial Optimization Workshop, Aussois, 2014

  48. Wu, J., K. Kannan, and M. Tawarmalani Cardinality Bundles for Spence-Mirrlees Reservation Prices, INFORMS Annual Meeting, Minnesota, 2013

  49. Kim, J., M. Tawarmalani, and J.-P. P. Richard, Cardinality Constrained Linear Program: Facial Disjunctive Formulation and Valid Inequalitis, INFORMS Annual Meeting, Minnesota, 2013

  50. Tawarmalani, M., T. Nguyen, and J.-P. P. Richard, Convexification Techniques for Complementarity Constraints, INFORMS Annual Meeting, Minnesota, 2013

  51. Tawarmalani, M. and J.-P. P. Richard, Convexification Techniques for Separable Polynomial Inequalities, INFORMS Annual Meeting, Minnesota, 2013

  52. Richard, J.-P. P. and M. Tawarmalani, On the Convex Hull of some Nonlinear Sets, INFORMS Annual Meeting, Minnesota, 2013

  53. Davarnia, D., J.-P. P. Richard and M. Tawarmalani, Polyhedral Results for Network Interdiction Problem, INFORMS Annual Meeting, Minnesota, 2013

  54. Nguyen, T. T., J.-P. Richard, and M. Tawarmalani, Disjunctive Cutting Planes for Linear Complementarity Constraints, INFORMS Annual Meeting, Phoenix, 2012

  55. Khajavirad, A. X. Bao, N. V. Sahinidis, M. Tawarmalani, Global Optimization of Nonconvex Problems with Multilinear Intermediates, INFORMS Annual Meeting, Phoenix 2012

  56. M. Tawarmalani and J.-P. P. Richard, Strong Cuts for Polynomial Inequalities via Disjunctive Arguments, INFORMS Annual Meeting, Phoenix, 2012

  57. Nguyen, T. T., M. Tawarmalani, and J.-P. P. Richard, Convexification Techniques for Linear Complementarity Constraints, INFORMS Annual Meeting, Charlotte, 2011

  58. Nguyen, T. T., J.-P. P. Richard, and M. Tawarmalani, Cutting Planes for Linear Complementarity Constraints, INFORMS Annual Meeting, Charlotte, 2011

  59. Richard, J.-P. P., K. Chung, and M. Tawarmalani, On Relations between 0-1 mixed integer Bilinear Covering Sets and Fixed-charge Flow Sets, INFORMS Annual Meeting, Charlotte, 2011

  60. Tawarmalani, M. and J.-P. P. Richard, Strong Inequalities for Polynomial Covering Sets via Orthogonal Disjunctions, INFORMS Annual Meeting, Charlotte, 2011

  61. Nguyen, T. T., M. Tawarmalani, and J.-P. P. Richard, Convexification Techniques for Linear Complementarity Constraints, 15th conference on Integer Programming and Combinatorial Optimization, 2011.

  62. Tawarmalani, M., T. T. Nguyen, and J.-P. P. Richard, On Convex Relaxations for Orthogonal Disjunctions and Complementarity Constraints, Exploratory Workshop of Mixed-Integer Nonlinear Programming, Seville, Spain, 2010.

  63. Nallasivam, U., V. H. Shah, A. A. Shenvi, R. Agrawal, and M. Tawarmalani, Global Optimization of Multicomponent Distillation Configurations, Salt Lake City, 2010.

  64. Tawarmalani, M., J.-P. P. Richard, and C. Xiong, Explicit Envelopes through Polyhedral Subdivisions, INFORMS Annual Meeting, Austin, 2010.

  65. Tawarmalani, M., Simultaneous Convexification of Nonlinear Functions and Sets, INFORMS Annual Meeting, Austin, 2010.

  66. Nguyen, T. T, J.-P. P. Richard, and M. Tawarmalani, Global Optimization Results for Linear Complementarity Problems, INFORMS Annual Meeting, Austin, 2010.

  67. Hajjat, M., X. Sun, Y.W. Sung, D. Maltz, S. G. Rao, K. Sripanidkulchai, and M. Tawarmalani, Cloudward bound: Planning for Beneficial Migration of Enterprise Applications to the Cloud, ACM Sigcomm, New Delhi, India, 2010.

  68. J.-P. P. Richard, M. Tawarmalani, and C. Xiong, Explicit Convex and Concave Envelopes via Polyhedral Subdivisions, MIP, Atlanta, 2010.

  69. Tawarmalani, M. Polyhedrality and Inclusion Certificates in Convexification, European Workshop on Mixed-Integer Nonlinear Programming, Marseille, France, 2010.

  70. Tawarmalani, M., N. V. Sahinidis, and X. Bao, Exploiting Multilinearity in Global Optimization Relaxations, INFORMS Annual Meeting, San Diego, October 2009.

  71. C. Xiong, M. Tawarmalani, and J.-P. P. Richard, Convexification of Nonconvex Functions and Polyhedral Envelopes, INFORMS Annual Meeting, San Diego, October 2009.

  72. Sahinidis, N. V., and M. Tawarmalani, Global Optimization of MINLPs with BARON, INFORMS Annual Meeting, San Diego, October 2009.

  73. K. Chung, J.-P. P. Richard, and M. Tawarmalani, Strong Valid Inequalities for an MPCC via Orthogonal Disjunctions, INFORMS Annual Meeting, San Diego, October 2009.

  74. Bao, X., N. V. Sahinidis, and M. Tawarmalani, Polyhedral Relaxations for Nonconvex Quad-ratically-Constrained Quadratic Programs, AIChE Annual Meeting, Philadelphia, November 2008.

  75. Xia, Q., O. Ersoy, M. Tawarmalani, and H. Moskowitz, Interactive Clustering and Classification, Artificial Neural Networks in Engineering (ANNIE), St. Louis, November 2008.

  76. Sahinidis, N. V. and M. Tawarmalani, Computational Solution of MINLPs with BARON, INFORMS Annual Meeting, Washington DC, October 2008.

  77. Sahinidis, N. V. and M. Tawarmalani, A Unifying Framework for Domain Reduction, INFORMS Annual Meeting, Washington DC, October 2008.

  78. Tawarmalani, M., and J.-P. P. Richard, Strong Inequalities for Disjunctive Sets Via Lifting, INFORMS Annual Meeting, Washington DC, October 2008.

  79. Tawarmalani, M., K. Chung, and J.-P. P. Richard, Strong Inequalities for Orthogonal Disjunctions and Polynomial Covering Sets, INFORMS Annual Meeting, Washington DC, October 2008.

  80. Tawarmalani, M., K. Chung, and J.-P. P. Richard, Strong Inequalities for Bilinear Knapsack Sets, INFORMS Optimization Society Conference, Atlanta, March 2008.

  81. Tawarmalani, M., and J.-P. P. Richard, Lifting Inequalities: Generating Strong Cuts for Nonlinear Programs, INFORMS Optimization Society Conference, Atlanta, March 2008.

  82. Chung, Kwanghun, M. Tawarmalani, and J.-P. P. Richard, Strong Valid Inequalities for Bilinear Integer Knapsack Sets, INFORMS Annual Meeting, Seattle, November 2007.

  83. Tawarmalani, M., and J.-P. P. Richard, Extending mixed-integer programming lifting techniques to nonlinear programming, ICCOPT-MOPTA 2007, Hamilton, August 2007.

  84. Tawarmalani, M., and J-P. P. Richard, Generating Strong Cuts for Nonlinear Programs by Lifting Inequalities, Workshop on Mixed Integer Programming, MIP 2007, Montreal, August 2007.

  85. Rahman, Mohammad S., K. Kannan and M. Tawarmalani, The Countervailing Incentive of Restricted Patch Distribution: Economic and Policy Implications, Workshop on the Economics of Information Security, Pittsburgh, June 2007.

  86. Tawarmalani, M., Convex Extensions, Inclusion Certificates and Disjunctive Programming, INFORMS Annual Meeting, Pittsburgh, 2006.

  87. Tawarmalani, M. and J.-P. P. Richard, MIP Lifting Techniques for Nonlinear Programs, INFORMS Annual Meeting, Pittsburgh, INFORMS Annual Meeting, Pittsburgh, 2006.

  88. Tawarmalani, M., K. Kannan and P. De, Allocating Objects in a Network of Caches: Centralized and Decentralized Analyses, INFORMS Annual Meeting, Pittsburgh, 2006.

  89. Tawarmalani, M., Convex Extensions, Inclusion Certificates and Disjunctive Programming, 19th Mathematical Programming Symposium, Rio De Janerio, 2006.

  90. J.-P. Richard and M. Tawarmalani, MIP Lifting Techniques for Mixed-Integer Nonlinear Programs, MIP 2006, Coral Gables, 2006.

  91. Tawarmalani, M., Inclusion Certificates and Disjunctive Programming, Carnegie Mellon University, Pittsburgh, 2006.

  92. Tawarmalani, M., K. Kannan and P. De, A Mechanism for Allocating Objects in a Network of Symmetric Caches, Fifteenth Workshop on Information Technologies and Systems, Las Vegas, 2005.

  93. Tawarmalani, M., Convex Extensions and Convexification of Nonlinear Sets, INFORMS Annual Meeting, San Francisco, November 2005.

  94. J.-P. Richard and M. Tawarmalani, MIP Lifting Techniques for Mixed-Integer Nonlinear Programs, INFORMS Annual Meeting, San Francisco, November 2005.

  95. J. Wei, M. Duran, K. Furman, N. V. Sahinidis and M. Tawarmalani, Global Optimization of Stochastic Nonconvex Mixed Integer Nonlinear Programming (MINLP) Problems, INFORMS Annual Meeting, San Francisco, November 2005.

  96. M. Tawarmalani and Y. Li, Minimizing Flow Disruption due to Network Maintenance, INFORMS Annual Meeting, San Francisco, November 2005.

  97. N. V. Sahinidis and M. Tawarmalani, Global Optimization with Branch-and-Reduce, INFORMS Annual Meeting, San Francisco, November 2005.

  98. Tawarmalani, M., K. Kannan. P. De and C. Kumar, Allocating Objects in a Network of Caches: Social Welfare and Incentive Compatibility, First CDGO International Conference, Blacksburg, August 2005.

  99. Tawarmalani, M. and N. V. Sahinidis, Solving Nonlinear Global Optimization Problems Using BARON, INFORMS ICS 9th Conference, Annapolis, 2005.

  100. Tawarmalani, M., Convexification and Global Optimization of Nonlinear programs, Workshop on Integer Programming and Continuous Optimization, Chemnitz, November 2004.

  101. Sahinidis N. V. and M. Tawarmalani, Strengthening Polyhedral Relaxations for Global Optimization Problems, AIChE Annual Meeting, Austin 2004.

  102. Sahinidis N. V. and M. Tawarmalani, A Polyhedral Branch-and-Cut Algorithm for Global Optimization, INFORMS, Denver, October 2004.

  103. Tawarmalani, M., Convex Extensions and Convexification of Nonlinear Functions, INFORMS Annual Meeting, Atlanta, October 2003.

  104. Tawarmalani, M. and N. V. Sahinidis, A Two-Step Procedure for Convexification of Lower Semicontinuous Functions, INFORMS Annual Meeting, Atlanta, October 2003.

  105. Sahinidis, N. V. and M. Tawarmalani, Global Optimization with GAMS/BARON, Atlanta, October 2003.

  106. Tawarmalani, M., Convex extensions and polyhedral basis, 18th International Symposium of Mathematical Programming, Denmark, August 2003.

  107. Sahinidis, N. V. and M. Tawarmalani, Global Optimization with BARON, INFORMS Annual Meeting, San Jose, November 2002.

  108. Tawarmalani, M. Convex Extensions and Polyhedral Basis, INFORMS, San Jose, November 2002.

  109. Tawarmalani, M. and N. V. Sahinidis, Finiteness and Convexification Issues in Mixed-Integer Nonlinear Programming, Integer Programming Conference in Honor of Egon Balas, Pittsburgh, PA, June 2002.

  110. Tawarmalani, M. and N. V. Sahinidis, Global Optimization of Mixed Integer Nonlinear Programs, AICHE Annual Meeting, November 2001.

  111. Sahinidis N. V., M. Tawarmalani, M. Yu, and G. Nanda, A Novel MINLP Approach to Molecular Design, AICHE Annual Meeting, November 2001.

  112. Tawarmalani, M. and N. V. Sahinidis, Convex Envelopes of Nonlinear Functions, INFORMS, Miami, November 2001.

  113. Sahinidis N. V. and M. Tawarmalani, Global Optimization of Mixed Integer Nonlinear Programs, INFORMS, Miami, November 2001.

  114. Tawarmalani, M. and N. V. Sahinidis, Domain Reduction in Global Optimization and Mixed Integer Nonlinear Programs, INFORMS, Miami, November 2001.

  115. Tawarmalani, M. and N. V. Sahinidis, Global Optimization of Mixed Integer Nonlinear Programs, 17th International Symposium of Mathematical Programming, Atlanta, August 2000.

  116. Tawarmalani, M. and N. V. Sahinidis, Semidefinite Relaxations of Fractional Programs Via Novel Techniques for Constructing Convex Envelopes of Nonlinear Functions, 17th International Symposium of Mathematical Programming, Atlanta, August 2000.

  117. Ahmed,S.., M. Tawarmalani, and N. V. Sahinidis, Global Optimization of Two-stage Stochastic Integer Programs, 17th International Symposium of Mathematical Programming, Atlanta, August 2000.

  118. Tawarmalani, M. and N. V. Sahinidis, Semidefinite Relaxations of Fractional Programs via Novel Techniques for Constructing Convex Envelopes of Nonlinear Functions, International Conference on Advances in Convex Analysis and Global Optimization Samos, Greece, June 2000.

  119. Ahmed, S., M. Tawarmalani and N. V. Sahinidis, Global Optimization for Stochastic Integer Programming, International Conference on Advances in Convex Analysis and Global Optimization Samos, Greece, June 2000.

  120. Tawarmalani, M. and N. V. Sahinidis, Convexification using Convex Extensions and Semidefinite Relaxations of Fractional Programs, INFORMS Annual Meeting, Salt Lake City, Utah, May 2000.

  121. Ahmed, S., M. Tawarmalani, and N. V. Sahinidis, A Finite Branch and Bound Algorithm for Two-Stage Stochastic Integer Programs, INFORMS Annual Meeting, Salt Lake City, Utah, May 2000.

  122. Tawarmalani, M., S. Ahmed, and N. V. Sahinidis, Convexification Tools in Integer Programming, INFORMS Annual Meeting, Philadelphia, PA, November 1999.

  123. Ahmed, S., M. Tawarmalani and N. V. Sahinidis, Global Optimization of Two-Stage Stochastic Mixed-Integer Programs, INFORMS Annual Meeting, Philadelphia, PA, November 1999.

  124. Sahinidis, N. V., M. Tawarmalani, and M. Yu, Novel Molecular Designs Via Global Optimization, AICHE Annual Meeting, Dallas, TX, October 1999.

  125. Ahmed, S., M. Tawarmalani and N. V. Sahinidis, A Finite Branch and Bound Scheme for Two-Stage Stochastic Integer Programs, INFORMS Annual Meeting, Cincinnati, OH, May 1999.

  126. Sahinidis, N. V., M. Tawarmalani, and S. Ahmed, New Results in 0-1 Optimization, AICHE Annual Meeting, Miami Beach, FL, November 1998.

  127. Tawarmalani, M., S. Ahmed and N. V. Sahinidis, Convexification of 0-1 Fractional Programs, INFORMS Annual Meeting, Seattle, WA, October 1998.

  128. Tawarmalani, M., N. Adhya and N. V. Sahinidis, Global Optimization of the pooling problem, INFORMS Annual Meeting, Seattle, WA, October 1998.

  129. Tawarmalani, M., N. Adhya and N. V. Sahinidis, Global Optimization of the pooling problem, 2nd Engineering Design Automation Conference, Maui, HI, August 1998.

  130. Tawarmalani, M. and N. V. Sahinidis, Decomposition method for the TDTSP and QAP, INFORMS Annual Meeting, Washington, DC, May 1996.

Software

Honors

Grants

Professional Memberships

Service

Professional Activities