Mohit Tawarmalani
4026, RAWLS Hall, Purdue University, USA.
Off.: (765) 496-2620
URL: http://web.ics.purdue.edu/~mtawarma/
email: 
Education
Research Interests
Mathematical Programming, Complexity and Approximation, Symbolic
Computing. Initial emphasis will be on global optimization
theory, algorithms and applications in investment analysis, and
molecular design and analysis.
Teaching Interests
Deterministic and Stochastic Operations Research, Logistics,
Production Planning, Engineering Economics, Decision Analysis, and
Supply Chain Management.
Graduate Course Work
Computing Skills
| Languages |
C, C++, Perl, FORTRAN, Pascal, YACC , AWK, LEX, Matlab, Pro*C, SQL,
PL/SQL, GAMS |
| Applications |
CPLEX, OSL, MINOS, SNOPT, BARON, CADDS5, ORACLE |
| Operating Systems |
UNIX, DOS, Windows, VMS |
| Administration |
IBM (AIX ) and web administration since Mar '96 |
Research and Work Experience
Research optimization theory, algorithms and applications.
Teach courses in quantitative methods.
Research optimization theory, algorithms and applications.
Teach courses in quantitative methods.
The project was aimed at developing a computational methodology for the
design of environmentally benign refrigerants. The key components were
mathematical modeling, development of a global optimization algorithm and
a computer verification system for the verification, testing and implementation
of the proposed algorithmic method.
Developed and applied convexification tools and geometric ideas for designing
new algorithms for global optimization of mixed integer nonlinear programming
problems. Co-authored a global optimization software, BARON, implementing the
proposed algorithms and designed its web interface.
BARON is available
Online.
Designed and taught IE337, titled ``Economic foundations of Quality
systems'' introducing the use of engineering economic analysis techniques
in deterministic and stochastic project selection and the concepts of
multiattribute decision making.
The project is aimed at finding more efficient algorithms for the Quadratic
Assignment Problem, and similar other Mixed Integer Linear Programs which
find applications in scheduling, VLSI design, multiprocessor assignment,
etc.
In capacity of software development engineer as part of the CADDS5 Geometric
Modeling group at ComputerVision. The projects undertaken were `Data reduction
in spline approximations'
and `Improvement in lofting algorithms'.
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Graduate Engineer, TELCO, Jul '93-Dec '94
Training through design, production, management services, tool maintenance
and trouble-shooting departments. Developed software for ORACLE based queries
to company's process planning data to aid offloading decisions.
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Bachelor's Student, IIT Delhi,
Jan'93-May '93
Developed the feature extraction module of a Computer Aided Process
Planning system for turned components.
-
Industrial Trainee, Engineers India Ltd., May '92-Jul '92
Developed software module for stress analysis of piping networks.
Honors
-
Beale-Orchard-Hays Prize for Excellence in Computational Mathematical
Programming (with N. V. Sahinidis) for the paper "A polyhedral
branch-and-cut approach to global optimization"
-
Best Paper Award (with K. Kannan and P. De) in the fifteenth Workshop
on Information Technologies and Systems (2005) for the paper "A Mechanism
for Allocating Objects in a Network of Symmetric Caches"
-
Honorable Mention in 2005 Junior Faculty Interest Group Competition (with
Y. Li) for the paper "Minimizing Flow Disruption due to Network Maintenance"
-
Outstanding Core MBA Teaching Award, 2005
-
INFORMS Computing Society Prize, 2004 (with N. V. Sahinidis)
for research excellence at
interface between Computer Science and Operations Research
-
Jay N. Ross Young Faculty Scholar Award 2002-2003, Purdue University
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American Institute of Chemical Engineers (AICHE)
Computers and Systems Technology (CAST) Director's Award, 1999. Best Poster:
Novel Molecular Design Via Global Optimization
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CSE Fellow, Computational Science & Engineering, Aug '98-Aug'00
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Teaching Fellow, Department of Mechanical & Industrial Engineering, Aug '98- May '99
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Full research assistantship for graduate studies at the University of Illinois,
Aug '95-Aug'98
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Tata Consultancy Services award for best project in the areas of CAD/CAM,
Robotics & Automation
-
Brain of Jwala for outstanding academic performance in Hostel
Organizations
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Member and web administrator of Optimization Section, INFORMS
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Tawarmalani, M. and N. V. Sahinidis, Multi-stage Network Optimization
and Decomposition Algorithms, in preparation.
-
Tawarmalani, M. and N. V. Sahinidis, Convexification and 0-1 Programming,
in preparation.
-
N. V. Sahinidis, M. Tawarmalani, and M. Yu, Design of Alternative
Refrigerants via Global Optimization, in preparation.
-
S. Ahmed, M. Tawarmalani and N. V. Sahinidis, A Finite Branch and
Bound Algorithm for Two-Stage Stochastic Integer Programs, Mathematical
Programming, submitted.
-
M. Tawarmalani and N. V. Sahinidis, Semidefinite Relaxations of
Fractional Programs via Novel Convexification Techniques,
Journal of Global Optimization, 20, 137-158, 2001.
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M. Tawarmalani, and N. V. Sahinidis, Global Optimization of Mixed
Integer Nonlinear Programs: A Theoretical and Computational Study,
Mathematical Programming, submitted.
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Tawarmalani, M., S. Ahmed and N. V. Sahinidis, Global Optimization of
0-1 hyperbolic programs,Journal of Global Optimization, accepted.
-
Tawarmalani, M. and N. V. Sahinidis, Convex extensions and envelopes
of lower semi-continuous functions, Mathematical Programming, accepted.
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N. V. Sahinidis, and M. Tawarmalani, Applications of Global
Optimization to Process and Molecular Design, Computers & Chemical
Engineering, 24, 2157-2169, 2000.
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Adhya, N., M. Tawarmalani, and N. V. Sahinidis, A Lagrangian Approach
to the Pooling Problem, Industrial & Engineering Chemistry, 38(5),
1956-1972, 1999.
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Tawarmalani, M. and N. V. Sahinidis, The Time Dependent Traveling Salesman
Problem, to appear in Encyclopedia of Optimization, C. A. Floudas and
P. M. Pardalos (eds.) Kluwer academic publishers, Vol. 5, 445-450, 2001.
-
Tawarmalani, M., Multi-stage Network Optimization
and Decomposition Algorithms, MS Thesis in Industrial Engineering, University
of Illinois at Urbana Champaign, August 1997.
-
Tawarmalani, M. and R. Srikanth, Feature extraction in turned components
for CAPP, B. Tech. Thesis in Mechanical Engineering, IIT Delhi, 1993.
Presentations
-
M. Tawarmalani 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, June 5-9,
2000 - Pythagorion, Samos, Greece.
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S. Ahmed and M. Tawarmalani and N. V. Sahinidis, Global Optimization
for Stochastic Integer Programming, International Conference
on Advances in Convex Analysis and Global Optimization,
June 5-9, 2000 - Pythagorion, Samos, Greece.
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M. Tawarmalani and N. V. Sahinidis, Convexification using Convex
Extensions and Semidefinite Relaxations of Fractional Programs,
INFORMS Annual Meeting, Salt Lake City, Utah, May 2000
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S. Ahmed and 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
-
M. Tawarmalani and N. V. Sahinidis, Convexification Tools in
Integer Programming, INFORMS Annual Meeting, Philadelphia, PA,
November 1999
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Ahmed, S., M. Tawarmalani, and N. V. Sahinidis, Global
Optimization of Two-Stage Stochastic Mixed-Integer Programs,
INFORMS Annual Meeting, Philadelphia, PA, November 1999
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Sahinidis, N. V., M. Tawarmalani, and M. Yu, Novel Molecular
Designs via Global Optimization, Annual AIChE Meeting, Dallas,
TX, October 1999
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Ahmed, S., M. Tawarmalani, and N. V. Sahinidis, A Finite Branch &
Bound Scheme for Two-Stage Stochastic Integer Programs, INFORMS
Annual Meeting, Cincinnati, OH, May 1999
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Sahinidis, N. V., M. Tawarmalani and S. Ahmed, New Results in 0-1
Optimization, Annual AIChE meeting, Miami Beach, FL, November
1998
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Tawarmalani, M., N. Adhya, and N. V. Sahinidis, Global
Optimization of the Pooling Problem, INFORMS Annual Meeting,
Seattle, WA, October 1998
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Tawarmalani, M., S. Ahmed, and N. V. Sahinidis, Convexification
of Fractional 0-1 Programs, INFORMS Annual Meeting, Seattle, WA,
October 1998
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Tawarmalani, M., N. Adhya, and N. V. Sahinidis, Global
Optimization of the Pooling Problem, The 2nd Engineering Design
Automation Conference, Maui, HI, August 1998
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Tawarmalani, M., and N. V. Sahinidis, Decomposition algorithms
for the TDTSP and QAP, Annual INFORMS Meeting, Washington, DC,
May 1996