P.C. Rossin College of
Engineering and Applied Science

Position: 
Professor
Address: 
Harold S. Mohler Laboratory
200 West Packer Avenue
Bethlehem, PA 18015

Phone Number: 
(610) 758-1280

Areas of Research

Supply Chain Management
Grid Computing/Large Scale Computation
Mathematical Optimization and Modeling
Financial Engineering
Analysis of Algorithms and Complexity
Numerical Analysis
Polyhedral Theory
Combinatorics
Energy Markets
Computing and Algorithm Development
Applied Game Theory
Software Engineering
Algebra and Discrete Mathematics

Profile

Dr. Ralphs' research focuses mainly on various aspects of large-scale computation and optimization. His research spans theory, computation, and application, with an aim of bridging the gap between theory and practice. His current research projects explore the theoretical and computational aspects of solving large-scale optimization problems through the exploitation of sophisticated mathematical techniques and high-performance computing technologies.

Dr. Ralphs is co-founder and director of the Computational Optimization Research at Lehigh (COR@L) Laboratory, chair of the the INFORMS Computing Society, and co-chair of Lehigh's Research Computing Steering Committee. Courses taught by Dr. Ralphs include computational methods, discrete optimization, nonlinear optimization, financial optimization, graphs and network flows, and algorithms in systems engineering.

Education

Ph.D., M.S., Operations Research, Cornell University
M.S., Mathematics, Carnegie Mellon University
B.S., Applied Mathematics, Carnegie Mellon University

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