Prashant Palkar

Working at the Chair of Discrete Mathematics, Optimization, and Operations Research at the Institute of Mathematics, University of Augsburg since April 01, 2021.

Research Scholar (2013 - 2021)
Industrial Engineering and Operations Research,
Indian Institute of Technology Bombay, Mumbai

Advisor
Prof. Ashutosh Mahajan

Thesis statement
Shared-Memory Parallel Algorithms for Mixed-Integer Nonlinear Optimization

Research Interests
Mixed-integer linear programming, parallel computing, nonconvex optimization, derivative-free optimization, convexity detection, developing algorithms in MINOTAUR 

Publications

Palkar, P. and Mahajan, A., “Mitigating Anomalies in Parallel Branch-and-Bound Based Algorithms for Mixed-Integer Nonlinear Optimization”, accepted.

Sharma M. Palkar P., and Mahajan A., "Linearization and Parallelization Schemes for Convex Mixed-Integer Nonlinear Optimization", Computational Optimization and Applications, 1-56, 2022.  pdf

Larson J., Leyffer S., Palkar P. and Wild S. M., "A Method for Convex Black-Box Integer Global Optimization", Journal of Global Optimization, 1-39, 2021. pdf

Liu Z., Rajkumar K., Leyffer S., Palkar, P. and Foster, I., "A mathematical programming- and simulation-based framework to evaluate cyberinfrastructure design choices", 13th IEEE International Conference on eScience, Auckland, New Zealand, October 24-17, 2017. pdf

Palkar, P. and Mahajan, A., “A Branch-and-Estimate heuristic procedure for solving nonconvex integer optimization problems”, Workshop on Parallel Computing and Optimization (PCO), IEEE International Parallel and Distributed Processing Symposium (IPDPS), Hyderabad, India, 2015. pdf

Talks/Posters

"Mitigating Anomalies in Parallel Branch-and-Bound based Algorithms for Mixed-Integer Nonlinear Optimization", 7th biennial International Symposium on Combinatorial Optimization (ISCO),
Online, May 18-20, 2022 (upcoming).

"Computational Complexity in Optimization", special session for the course Quantitative Techniques II, Vinod Gupta School of Management (VGSOM), IIT Kharagpur, March 25, 2022.

"Linearization and Parallelization Schemes for Convex Mixed-Integer Nonlinear Optimization", 31rst European Conference on Operational Research (EURO 2021), University of West Attica, Athens, Greece, 11 - 14 July, 2021.

"Accelerating LP, NLP, and MILP Based Algorithms for Convex MINLPs using Parallelization Schemes", 52nd Annual Convention of ORSI & International Conference, IIM Ahmedabad, India, December 15 - 18, 2019.

"Parallel Algorithms for Convex Mixed-Integer Nonlinear Optimization", 3rd International Conference and Summer School on Numerical Computations: Theory and Algorithms (NUMTA) 2019, Calabria, Italy, June 15 – 21, 2019.

"A globally convergent simulation-based optimization algorithm with integer constraints", 23rd International Symposium on Mathematical Programming 2018, Bordeaux, France, July 01 – 06, 2018.

"Mixed Integer Derivative Free Optimization", 2018 Mixed Integer Programming Workshop, Greenville, SC, USA, June 18 – 21, 2018. pdf

"MINOTAUR: Mixed Integer Nonlinear Optimization Toolkit - Algorithms, Underestimators, Relaxations", OPTSUM 2017, Mumbai, September 14, 2017.

"Towards global optimization of mixed-integer nonlinear programming problems", Innovation Day, JDA, Hyderabad, India, April 06, 2016.

"A parallel branch-and-bound framework for solving convex integer optimization problems", 52nd Annual Convention of ORSI & International Conference, New Delhi, India, 12th Dec, 2016.

Palkar, P. and Sambasivam, R., “Optimization of Integrated Production Planning and Distribution of raw material and finished goods from supplying plants to stockyards”, International Conference on Advances in Supply Chain and Manufacturing Management, IIT Kharagpur, India, 2011.

Sweta, B. and Palkar, P., "Centralized Optimization Suite to handle end-to-end operations of Cut and Bend centres of Tata Steel and its Associates", Operating Committee Meeting on IT and Automation,  Jamshedpur, India, 2013.

Visits

"A globally convergent cutting-plane method for simulation-based optimization with integer constraints", with Dr. Jeffrey Larson and Dr. Sven Leyffer, Argonne National Laboratory, IL, USA from April, 23 - August, 03, 2018.

"Algorithms for mixed-integer derivative-free optimization", with Dr. Jeffrey Larson and Dr. Sven Leyffer, Argonne National Laboratory, IL, USA from March, 27 - July, 14, 2017.

Workshops

Conducted a preconference workshop on “Solving Mixed-Integer Nonlinear Optimization Problems with MINOTAUR” jointly with Meenarli Sharma, Mustafa Vora and Prof. Ashutosh Mahajan in 52nd Annual Convention of ORSI & International Conference, IIM Ahmedabad, India, December 15, 2019.

Conducted a preconference workshop on “Mixed-integer nonlinear optimization using MINOTAUR” in with Meenarli Sharma and Prof. Ashutosh Mahajan in 51st Annual Convention of ORSI & International Conference, IIT Bombay, India, December 16, 2018.

Teaching Assistantship

Systems and Website Administrator, IEOR (with Prof. Ashutosh Mahajan), July 2014 - present.

Naval Operations Analysis CEP course, IEOR, Jan - May 2021

Naval Operations Analysis CEP course, IEOR, Jan - May 2019

Nonlinear Programming Algorithms (AIS Optimization with Prof. Ashutosh Mahajan), 2016

Computer Programming and Algorithms (with Prof. Vishnu Narayanan and Prof. R. Venkatasailanathan), 2016

Optimization: Applications, Algorithms, and Computation (GIAN course with Dr. Sven Leyffer), 2016

Integer Programming: Theory and Computations (with Prof. Ashutosh Mahajan), 2015

Modeling and Computation Lab (with Prof. Ashutosh Mahajan), 2014

Introduction to Operation Research (QEEE course with Prof. Ashutosh Mahajan), 2014

Service and Infrastructure Systems (with Prof. Narayan Rangaraj), 2013

Corporate Experience
Worked as Senior Manager, Process Modelling and Visualization, Tata Steel (2009-2013)

Other Interests
Indian classical music, playing volleyball, badminton, table-tennis, cricket etc.

Contact
Email id: prashant.palkar@iitb.ac.in