---

Education

BS Mathematics and Computer Science - Georgetown University Washington, DC USA 1997
MA Operations Research and Financial Engineering - Princeton University Princeton, NJ USA 1999
Ph.D. Operations Research and Financial Engineering - Princeton University Princeton, NJ USA 2001

Areas of Expertise

Operations Research

Interior-Point Methods

Mathematical Programming

Nonlinear Optimization

Selected Works

Articles

Benson, H. Y.. "Mixed Integer Nonlinear Programming Using Interior-Point Methods" Optimization Methods and Software . (forthcoming)

Benson, H. Y. and Shanno, D. F.. "Interior-Point Methods for Nonconvex Nonlinear Programming: Regularization and Warmstarts" COMPUTATIONAL OPTIMIZATION AND APPLICATIONS 40.2 (Jun 2008):143-189

Griva, Igor , Shanno, D. F., Vanderbei, R. J. and Benson, H. Y.. "Global Convergence of a Primal-Dual Interior-Point Method for Nonlinear Programming" ALGORITHMIC OPERATIONS RESEARCH 3.1 (Mar 2008):12-19

Benson, H. Y. and Shanno, David F. "An Exact Primal-Dual Penalty Method Approach to Warmstarting Interior-Point Methods for Linear Programming" COMPUTATIONAL OPTIMIZATION AND APPLICATIONS 38.3 (Dec 2007):371-399

Benson, H. Y., Sen, A. , Shanno, D. F. and Vanderbei, R. J.. "Interior-Point Algorithms, Penalty Methods, and Equilibrium Problems" COMPUTATIONAL OPTIMIZATION AND APPLICATIONS 34.2 (Jun 2006):155-182

Benson, H. Y., Shanno, D. F. and Vanderbei, R. J.. "Interior-Point Methods for Nonconvex Nonlinear Programming: Jamming and Comparative Numerical Testing" MATH PROGRAMMING 99.1 (Jan 2005):35-48

Benson, H. Y. and Vanderbei, R. J.. "Solving Problems with Semidefinite and Related Constraints Using Interior-Point Methods for Nonlinear Programming" MATH PROGRAMMING 95.2 (Feb 2003):279-302

Benson, H. Y., Shanno, D. F. and Vanderbei, R. J.. "Interior-Point Methods for Nonconvex NonlinearProgramming: Filter Methods and Merit Functions" COMPUTATIONAL OPTIMIZATION AND APPLICATIONS 23.2 (Nov 2002):257-272

Benson, H. Y., Shanno, D. F. and Vanderbei, R. J.. "Interior-Point Methods for Nonconvex Nonlinear Programming: Complementarity Constraints" . (Sep 2002)

Benson, H. Y. and Vanderbei, R. J.. "On Formulating Semidefinite Programming Problems as Smooth Convex Nonlinear Optimization Problems. Technical Report ORFE 1999-01" . (Sep 1999)

Benson, H. Y., Vanderbei, R. J. and Yurttan, H. . "Using LOQO to Solve Second-Order Cone Programming Problems. Technical Report SOR-98-09" . (Sep 1998)

Chapters

Benson, H. Y.. "Interior-Point LP Solvers" Encyclopedia of Operations Research and Management Science Ed. James J. Cochran. Hoboken, NJ:John Wiley & Sons, .

Benson, H. Y.. "A Comparative Study of Large Scale Nonlinear Optimization Algorithms" High Performance Algorithms and Software for Nonlinear Optimization Ed. G. Di Pillo and A. Murli. Massachusetts, USA:Kluwer Academic Publishers, Jan 2003. :94-126

Presentations

Benson, H. Y.. MILANO: Mixed-Integer Linear and Nonlinear Opti... SIAM Conference on Optimization : Darmstadt, Germany, May 2011

Benson, H. Y., Abichandani, Pramod and Kam, Moshe . Decentralized Cooperative Multi-Vehicle Path Co... GERAD/MITACS Seminar Series, Ecole Polytechnique de Montreal : Montreal, Canada, Mar 2011

Benson, H. Y.. MILANO: Mixed-Integer Linear and Nonlinear Opti... INFORMS Annual Meeting : Austin, TX Nov 2010

Benson, H. Y., Sen, A. and Shanno, D. F.. Convergence Analysis of an Interior-Point Metho... INFORMS Annual Meeting : San Diego, CA Oct 2009

Benson, H. Y., Sen, A. and Shanno, D. F.. Interior-Point Algorithms, Penalty Methods, and... INFORMS Annual Meeting : San Diego, CA Oct 2009

Benson, H. Y.. Interior-point Methods for Mixed-integer Nonlinear and Cone Programming Problems International Symposium on Mathematical Programming : Chicago, IL Aug 2009

Benson, H. Y.. Using interior-point methods within MINLP IMA Hot Topics Workshop: Mixed-Integer Nonlinear Optimization: Algorithmic Advances and Applications : Minneapolis, MN Nov 2008

Benson, H. Y.. Mixed Integer Nonlinear Programming Using Interior-point Methods INFORMS Annual Meeting : Washington, DC Oct 2008

Benson, H. Y.. Interior-Point Methods for Mixed-Integer Nonlinear Conic Programming SIAM Conference on Optimization : Boston, MA May 2008

Benson, H. Y.. LOQO, an Interior-Point Code for Nonconvex Nonlinear Programming INFORMS : Seattle, WA Nov 2007

Benson, H. Y. and Shanno, D. F.. Interior-Point Methods for Nonconvex Nonlinear Programming: Regularization and Warmstarts , IMA Conference on Numerical Linear Algebra and Optimisation : Birmingham, UK, Sep 2007

Benson, H. Y.. LOQO, an Interior-Point Code for Nonconvex Nonlinear Programming International Conference on Continuous Optimization : Hamilton, Canada, Aug 2007

Benson, H. Y.. State-of-the-Art in Large-Scale Nonlinear Optimization School of Biomedical Engineering Seminar Series, Drexel University : Philadelphia, PA Apr 2007

Benson, H. Y. and Shanno, D. F.. Interior-Point Methods for Nonconvex Nonlinear Programming: Regularization and Warmstarts 8th Annual US-Mexico Workshop on Optimization : , Jan 2007

Proceedings

Abichandani, Pramod , Benson, H. Y. and Kam, Moshe . Multi-Vehicle Path Coordination in Support of Communication IEEE International Conference on Robotics and Automation May 2009 :May 2009

Abichandani, Pramod , Benson, H. Y. and Kam, Moshe . Multi-Vehicle Path Coordination under Communication Constraints American Control Conference Mar 2008 :Mar 2008

Hu, Wanting , Liu, Xiangrong and Benson, H. Y.. Nonlinear Programming for Supply Chain Management: A Survey and Extensions Proceedings of the Northeast Decision Sciences Institute Apr 2006 :Apr 2006

Benson, H. Y.. Optimal Pricing and Procurement Strategies in a Supply Chain with Multiple Capacitated Suppliers Proceedings of the Northeast Decision Sciences Institute, Philadelphia, USA 2005 Mar 2005 :Mar 2005

Banerjee, A. and Benson, H. Y.. Lot Sizing for Group Technology Cells: A Mixed Integer Nonlinear Model with Complementarity Constraints Second AIMS International Conference on Management Dec 2004 :Dec 2004

Benson, H. Y. and Ogden, J. M.. Mathematical Programming Techniques for Designing Minimum Cost Pipeline Networks for CO2 Sequestration Greenhouse Gas Technologies Conference :Sep 2002

Conferences

IBM-IEEE Conference Transforming Engineering Education: Creating Interdisciplinary Skills for Complex Global Environments, Organizer Apr 06, 2010 - Apr 09, 2010

INFORMS Annual Meeting, Sesssion Chair Oct 10, 2009 - Oct 14, 2009

INFORMS Annual Meeting, Speaker Oct 11, 2009 - Oct 14, 2009

INFORMS Annual Meeting, Speaker Oct 11, 2009 - Oct 14, 2009

INFORMS Annual Meeting, Speaker Oct 11, 2009 - Oct 14, 2009

INFORMS Annual Meeting, Sesssion Chair Oct 11, 2009 - Oct 14, 2009

INFORMS Washington DC, Sesssion Chair Oct 12, 2008 - Oct 15, 2008

SIAM Conference on Optimization, Sesssion Chair May 10, 2008 - May 13, 2008

INFORMS Seattle, Sesssion Chair Nov 04, 2007 - Nov 08, 2007

INFORMS Pittsburgh, Sesssion Chair Nov 05, 2006 - Nov 08, 2006

SIAM Conference on Optimization, Sesssion Chair May 15, 2005 - May 19, 2005

INFORMS Denver, Sesssion Chair Oct 24, 2004 - Oct 27, 2004

INFORMS Atlanta, Sesssion Chair Oct 19, 2003 - Oct 22, 2003

INFORMS San Jose, Sesssion Chair Nov 17, 2002 - May 20, 2009

Software

Benson Hande Y. MILANO: Mixed-Integer Linear and Nonlinear Optimizer Sep 2009

Awards

2009-2012 Distinguished Fellow, Center for Research Excellence (LeBow College of Business Center for Research Excellence)

2005 Excellence in Research Award (LeBow College of Business)

Professional Experience

Part-Time Lecturer, Rutgers University New Brunswick, NJ Aug 2001-May 2002

Postdoctoral Fellow, Princeton University Environmental Institute Princeton, NJ Sep 2001-Jun 2002

Postdoctoral Fellow, Princeton University - Operation Research and Financial Engineering Princeton, NJ Sep 2001-Jun 2002

Assistant Professor, United States Naval Academy Annapolis, MD Aug 2002-Aug 2003

Assistant Professor, Drexel University Philadelphia, PA Sep 2003-Sep 2009

Associate Professor, Drexel University Sep 2009-present

Grants

Efficient Interior-Point Methods for Mixed-Integer Nonlinear and Conic Programming (National Science Foundation) $59,960 Sep 2007

Multivehicle Path Coordination under Communication Constraints (Drexel University Interdisciplinary Research Grant) $15,000 Jul 2007

WWW Resources

http://www.pages.drexel.edu/~hvb22