Skip to main content

Umakanta Pattanayak

Research Associate

Industrial Engineering and Operations Research,
Indian Institute of Technology Bombay, Mumbai, India.

Academic Background

  • M.Sc-Ph.D. Dual Degree (Operations Research) in IEOR @ IIT Bombay. 2009-Present.
  • M.Sc. in Statistics (Special Paper: Econometrics ). Utkal University, Bhubaneswar. 2003-05.
  • B.Sc. in Physics, Chemistry and Mathematics. Utkal University, Bhubaneswar, 2000-03.

Supervisor

Prof. Vishnu Narayanan

Current Research Interests

  • Geometry of Mixed Integer Hulls of Convex Sets.
  • Characterization of Convex and Concave Envelopes of Nonlinear Functions.

Journals

  • U. Pattanayak & V. Narayanan, Intersection Cuts for Convex Mixed Integer Programs from Translated Cones, Disctete Optimization, 24:103-128, 2017.
  • U. Pattanayak & V. Narayanan, Geometry of integer hulls of strictly convex sets (to be submitted).
     

Conferences

  • U. Pattanayak & V. Narayanan. Geometry of integer hulls of strictly convex sets, Presented at International Symposium on Operations Research and Game Theory: Modeling and Computation. ISI Delhi Centre, India, 2018.
  • U. Pattanayak & V. Narayanan, Intersection Cuts for Convex Mixed Integer Programs from Translated Cones, Presented at SIAM (Society for Industrial & Applied Mathematics) Conference on Optimization, Vancouver, Canada, 2017.
  • U. Pattanayak & V. Narayanan, Local Polyhedrality of Integer Hulls of Strict Convex Sets, Presented (poster) at Mixed Integer Programming Workshop, University of Miami, USA, 2016.
  • U. Pattanayk & V. Narayanan, Local Polyhedrality of Integer Hulls of Strict Convex Sets, Presented at SIAM Conference on Discrete Mathematics, Georgia State University, USA, 2016.
  • U. Pattanayak & V. Narayanan, Local Polyhedrality of some Integer Hulls, Presented at Game Theory and Optimization Conference. IIT Madras, 2016.
  • U. Pattanayak & V. Narayanan. Intersection cuts for Convex Integer Programs from Translated cones, Presented at International Symposium on Mathematical Programming, Pittsburgh, USA, 2015.
  • U. Pattanayak & V. Narayanan, Local Polyhedral Property of some Integer Hulls, Presented at International Symposium on Mathematical Programming. Pittsburgh, USA, 2015.
  • U. Pattanayak & V. Narayanan, Intersection Cuts for Convex Integer Programs, Presented at 3rd Winter School on Optimization and Control, IIT Bombay, 2014.

Events Attended

  • ATMW Applied Probability. IIT Bombay, 2016.
  • Wokshop on Game Theory and Mechanism Design. IISc Bangalore, 2016.
  • Supply Chain Practitioners Council (Customer Service Excellence). Edition 2.0, Mumbai Chapter, 2016.
     

Subjects of Interest

  • Real Analysis, Linear Algebra, Topology.
  • Convex Analysis, Variational Calculus.
  • Convex Geometry, Discrete Geometry, Geometry of Numbers.
  • Linear and Nonlinear Optimization.
  • Convex and Nonconvex Optimization. 
  • Discrete and Continuous Optimization
  • Numerical Optimization, Bilevel optimization
  • PDE-constrained optimization, Combinatorial Optimization
  • Integer and Mixed Integer Programming.
  • Polyhedral Theory, Graph Theory.
  • Submodular functions and Polymatroids.
  • Measure Theory, Probability and Statistics.
  • Stochastic Optimization, Bayesian Optimization
  • Machine Learning, Uncertainty Quantification.
  • Game Theory and Mechanism Design.
  • Optimization Techniques for Inverse Problems.
  • Queueing Theory, Information Theory.
  • Discrete Event System Simulation.
  • Algorithms and Complexity.

Teaching Assistant

  • Optimization Models (Autumn 2011, Autumn 2013)
  • Optimization Techniques (Autumn 2012, Autumn 2014)
  • Decision Analysis and Game Theory (Spring 2012)
  • Linear Systems (Spring 2013)
  • Network Flow Models and Applications (Spring 2014)
  • Polyhedral and Combinatorial Optimization (Spring 2015)

Contact

E-mail id :  umakanta@iitb.ac.in

Alternate e-mail id : umakanta.iitb@gmail.com

IEOR Lab : (022) 2576  4807