Presentations
- Conic Optimization in Julia and JuMP.
- Modeling Power of Mixed Integer Convex Optimization Problems And Their Effective Solution with Julia and JuMP.
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Mathematics of Data and Decisions at Davis, Department of Mathematics, UC Davis, Davis, CA, April, 2019.
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Mechanical and Industrial Engineering Department, Northeastern University, Boston, MA, October, 2018.
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Michigan Institute for Computational Discovery and Engineering (MICDE) and Department of Industrial and Operations Engineering (IOE), University of Michigan at Ann Arbor, Ann Arbor, Michigan, October, 2018.
- Mixed Integer Nonlinear Programming Formulations and Representability.
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INFORMS Annual Meeting, Phoenix, AZ, November, 2018.
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School of Operations Research and Information Engineering, Cornell University, Ithaca, NY, November, 2017.
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Seminar 18081, Designing and Implementing Algorithms for Mixed-Integer Nonlinear Optimization Schloss Dagstuhl, Leibniz-Zentrum für Informatik, Wadern, Germany, February, 2018.
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INFORMS Optimization Society Conference, Denver, Colorado, March, 2018.
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23rd International Symposium on Mathematical Programming, Bordeaux, France, July, 2018.
- Recent Advances in Mixed Integer Programming Modeling and Computation.
- Ellipsoidal Methods for Adaptive Choice-based Conjoint Analysis.
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Workshop in Consumer Analytics, San Pedro de Atacama, Chile. January, 2016.
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Marketing Seminar Series, Sloan School of Management, MIT, Cambridge, MA. March, 2016.
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Operations Management Seminar, Rotman School of Management, University of Toronto, Toronto, Canada. December, 2016.
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ISMS Marketing Science Conference, University of Southern California, Los Angeles, California. June, 2017.
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Ingeniería Industrial e Investigación de Operaciones, Universidad Adolfo Ibañez, Santiago, Chile. August, 2017.
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Operations Management/Management Science Workshop, Booth School of Business, University of Chicago, Chicago, IL. October, 2017.
- Formulations, Complexity and Representability for Unions of Convex Sets.
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CMO-BIRS Workshop: Modern Techniques in Discrete Optimization: Mathematics, Algorithms and Applications, Oaxaca, Mexico. November, 2015.
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INFORMS Annual Meeting, Nashville, TN, November, 2016.
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SIAM Conference on Optimization, Vancouver, British Columbia, Canada, May, 2017.
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INFORMS Annual Meeting, Houston, TX, October, 2017.
- Mixed Integer Programming Approaches for Experimental Design.
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DRO brown bag lunch seminars, Columbia Business School, Columbia University, New York, NY, October, 2016.
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Workshop in Management Science, Puerto Varas, Chile, January, 2017.
- Discrete Geometry for Small and Strong Mixed Integer Programming Formulations.
- Advanced Mixed Integer Programming Formulations.
- Extended and Embedding Formulations for MINLP.
- Embedding Formulations and Complexity for Unions of Polyhedra.
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Workshop on Combinatorial Optimization, Mathematisches Forschungsinstitut Oberwolfach, Oberwolfach, Germany, November 2014.
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Operations Research Seminar, Tepper School of Business, Carnegie Mellon University, Pittsburgh, PA, April, 2015.
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IEOR-DRO Seminar, Columbia University, New York, NY, September, 2015.
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DOS Optimization Seminars, H. Milton Stewart School of Industrial and Systems Engineering, Georgia Institute of Technology, Atlanta, GA, October, 2015.
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INFORMS Annual Meeting, Philadelphia, PA, November, 2015.
- Extended Formulations for Quadratic Mixed Integer Programming.
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SIAM Conference on Optimization, San Diego, California, May 2014.
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IP for Lunch, IBM Thomas J. Watson Research Center, Yorktown Heights, NY, December 2014.
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21st International Symposium on Mathematical Programming, Pittsburgh, PA, July 2015.
- Learning in Combinatorial Optimization: What and How to Explore.
- Cuts for Nonlinear MIP: Closed Form Expressions and Extended Formulations.
- Mixed Integer Gomory Cuts for Quadratic Programming: The Power of Extended Formulations.
- Encodings in Mixed Integer Linear Programming.
- Incremental Formulations for SOS1 Variables.
- Split Cuts for Convex Nonlinear Mixed Integer Programming.
- Challenges in Nonlinear Mixed Integer Programming Theory and Practice.
- Sloan School of Management, MIT, Cambridge, MA, February 2012.
- Integer Programming Challenges in Sustainable Natural Resource Management.
- ORIE Colloquium, Cornell University, Ithaca, NY, January 2012.
- Cutting planes and elementary closures for non-linear integer programming.
- The Chvátal-Gomory closure of a compact convex body is a rational polytope.
- Robustness and recourse for the open-pit problem.
- Integer programming approaches for imposing connectivity in forest management.
- The Chvátal-Gomory closure of a strictly convex body is a polyhedron.
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IP for Lunch, IBM Thomas J. Watson Research Center, Yorktown Heights, NY, March 2010.
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Mixed Integer Programming Workshop, Atlanta, GA, July 2010.
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INFORMS Annual Meeting, Austin, TX, November 2010.
- Risk control in ultimate pits using conditional simulations.
- Imposing old-growth patch constraints in forest harvest scheduling models.
- Mixed integer programming models for non-separable piecewise linear cost functions.
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INFORMS Annual Meeting, Washington, DC, October 2008.
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Georgia Institute of Technology, ISyE DOS Optimization Seminars, Atlanta, GA, October 2008.
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Department of Industrial Engineering, University of Pittsburgh, Pittsburgh, PA, December 2008.
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School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, March 2009.
- Modeling disjunctive constraints with a logarithmic number of binary variables and constraints.
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Georgia Institute of Technology, ISyE DOS Optimization Seminars, Atlanta, GA, April 2008.
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13th Conference on Integer Programming and Combinatorial Optimization, Bertinoro, Italy, May 2008.
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Workshop on Mixed Integer Programming, New York, NY, August 2008 (Poster).
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INFORMS Annual Meeting, Washington, DC, October 2008.
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20th International Symposium on Mathematical Programming, Chicago, IL, August 2009.
- A lifted linear programming branch-and-bound algorithm for mixed integer conic quadratic programs.
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Georgia Institute of Technology, ISyE Integer Programming Seminars, Atlanta, GA, February 2007.
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Workshop on Mixed Integer Programming, Montréal, Canada, July 2007 (Poster).
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INFORMS Annual Meeting, Seattle, WA, November 2007.
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Optimization Society Student Paper Prize, INFORMS Annual Meeting, Seattle, WA, November 2007.
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INFORMS Optimization Society Annual Meeting, Atlanta, GA, March 2008.
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Bellairs Workshop on Integer Programming, Holetown, Barbados, March 2008.
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SIAM Conference on Optimization, Boston, MA, May 2008.
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Universidad Adolfo Ibañez, Santiago, Chile, July 2008 (In Spanish).
- Economic and fragmentation effects of multiple adjacencies in the area restriction model.
- Polyhedral aspects of nonconvex, lower semicontinuous piecewise linear optimization.
- GreenUp and adjacency issues in forest spatial harvesting.
- A constructive characterization of the split closure of a mixed integer linear program.
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Workshop on Mixed Integer Programming, Coral Gables, FL, June 2006 (Poster).
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19th International Symposium on Mathematical Programming, Rio de Janeiro, Brazil, July 2006.
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Georgia Institute of Technology, ISyE Integer Programming Seminars, Atlanta, GA, October 2006.
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Georgia Institute of Technology, ACO Student Seminar, Atlanta, GA, November 2008.
- Comparing two formulations for the ARM problem.
- Comparison of methodologies for limiting opening sizes in forest harvest scheduling.
- Improved solution techniques for multi-period area-based forest harvest scheduling problems.
- 38th Annual Conference of the Operational Research Society of New Zealand, Hamilton, New Zealand, November 2003.
- V Chilean Operational Research Conference, Valparaiso, Chile, September 2003 (In Spanish).
- An exact algorithm for the area restriction model.
- Symposium on Models and Systems in Forestry, Punta de Tralca, Chile, March 2002 (with Andres Weintraub).