(Some of my) Colleagues; Collaborators; Students; Friends
(Due to 'competition' from google, this list was last updated in 2000 :) )

(Note you can also search: the netlib white pages; or the nanet email database; or Operations Research Directory .)
Back to the home page of Henry Wolkowicz on orion.math.uwaterloo.ca.
or Software and Semidefinite Programming web page

A:

• Natalia M. Alexandrov
  Research Scientist Multidisciplinary Optimization Branch NASA Langley Research Center,
• Abdo Alfakih,
  Operational Research Group at University of Windsor
• Al-Homidan, Suliman,
  KFUPM - Department of Mathematical Sciences, Numerical Analysis, Area of Specilization Optimization, Operation Research
• Farid Alizadeh
  at Rutgers University (RUTCOR) - working in combinatorial optimization and in semidefinite programming;
• Erling D. Andersen
  MOSEK, Software in SDP, LP, etc...
• Prof. Miguel F. Anjos
  interested in Semidefinite Programming and Applications and Facility Layout (or Floorplanning); at University of Waterloo
• Kurt M. Anstreicher
  Department of Management Sciences, The University of Iowa, interested in interior-point methods and SDP.
• Hossein Arsham,
  interested in sensitivity analysis for various problems and maintains a long list of links and a bibliography.
• Prof.Dr. A.O.H. Axelsson,
  Department of Mathematics, University of Nijnegen, Postbus 9010, 6500 GL Nijmegen, Toernooiveld 1, 6525 ED Nijmegen, Fax: +31 24 3652140; +31 24 3653231, interested in numerical linear algebra, e.g. preconditioning.

B:

• Venkataramanan Balakrishnan,
  Electrical and Computer Engineering, Purdue University, School of Electrical and Computer Engineering. Working in semidefinite programming (linear matrix inequalities) and systems-control.
• Jesse Barlow,
  Professor in Department of Computer Science and Engineering The Pennsylvania State University. Interested in numerical linear algebra
• Professor Earl Barnes,
  in the School of Industrial and Systems Engineering of Georgia Institute of Technology. His interests include linear and nonlinear programming techniques, and graph theory.
• Alexander Barvinok,
  Department of Mathematics, University of Michigan, Ann Arbor, Michigan 48109-1109, 1858 East Hall
• Heinz Bauschke,
  at UBC Okanagan; interested in Optimization, e.g. projection algorithms.
• J.R. Beasley,
  senior lecturer at Imperial College, London, with interests in O.R., e.g. O.R. library.
• Amir Beck, Dept Ind. Eng. at Technion, Israel. Interested in SDP relaxations of hard NLP.
• Adi Ben-Israel,
  at Rutgers University. (see also benisrael.net.)
• Prof. Aharon Ben-Tal
  William Davidson Faculty of Industrial Engineering and Management, Technion - Israel Institute of Technology, Technion City, Haifa 32000, Israel
• Dimitri P. Bertsekas,
  professor in the Department of Electrical Engineering and Computer Science at MIT, Nonlinear Programming, etc...
• Dimitris Bertsimas at HRI,
  and his home page is E. Pennell Brooks Professor of Operations Research at the Sloan School of Management, Massachussetts Institute of Technology (MIT). worked in the areas of optimazation of stochastic systems arising in manufacturing, transportation and telecommunications and semidefinite programming, approx. algorithms, prob. analysis, complexity, ...
• Natashia Boland
  Department of Mathematics and Statistics, The University of Melbourne, Parkville, Vic 3052, Australia.
• Brian Borchers,
  New Mexico Tech., interested in e.g. SDP - CSDP library of software for SDP. (See also the sci-opt digest)
• Endre Boros,
  RUTCOR, Rutgers Center for Operations Research, Rutgers University, The State University of New Jersey, 640 Bartholomew Road, Piscataway, NJ, 08854-8003, 732-445-3235
• Jon Borwein
  Moved to Univ of Newcastle, as of 2006. Was at CECM; interested in just about anything in Math but especially optimization.
• Stephen Boyd
  at Stanford University, interested in LMIs, SDPs, and convex optimization. (Research Reports and software is available as is circuit design at Barcelona Design.
• Jon Breslaw
  friend at Concordia - runs Econotron Support, Economics, access to Gaussx Homepage and JustArtHomepage;
• Nathan Brixius
  at Microsoft, interested in interior-points and SDP; responsible for Solver Foundation's IPM solvers (currently LP and QP); and co-author of SDPHA solver.
• Richard Brualdi
  at Madison Wisconsin - interested in matrix theory/combinatorial matrix theory. (Interesting links from home page including Primordial Soup Kitchen)
• Oleg P. Burdakov
  at Division of Optimization, Department of Mathematics, Linkvping University, S - 581 83 Linkvping, Sweden, Managing Editor of the international journal Optimization Methods and Software
• Sam Burer,
  Assistant Professor, Department of Management Sciences, S346 Pappajohn Business Building, The University of Iowa, Iowa City, IA 52242-1000.
  Interested in SDP and large sparse problems.
• Jim Burke, Univ. of Washington, Seattle; in Optimization and Nonlinear Programming
• Richard Byrd
  at University of Colorado, Boulder. Interested in NLP.

C:

• Rick Caron,
  Dean of Science, Director of the Operational Research Program, Professor of Mathematics and Statistics, University of Windsor
• Mike Carter
  at Mechanical and Industrial Engineering at University of Toronto.
• Richard G Carter
  at Rice University (Nonlinear Optimization)
• Chi-Kwong Li
  Department of Mathematics, College of William and Mary; interested in Matrix Theory (Inequalities)
• John W. Chinneck
  Department of Systems and Computer Engineering at Carleton University.
• Moody T. Chu
  Professor at Department of Mathematics, North Carolina State University, Raleigh, North Carolina. (919) 515-3265 (Office), (919) 515-3798 (Fax).
• Tom Coleman
  at University of Waterloo (Dean of Math.). in Optimization and Numerical Analysis.
• William J. Cook
  Program in Applied and Computational Mathematics, Princeton University
• Richard W. Cottle
  at Stanford University, MSandE.
• Bruce Craven
  at University of Melbourne, in Australia has preprints available by anonymous ftp at craven.maths.mu.oz.au;

D:

• Tim Davis
  Computer and Information Science and Engineering Department , at the University of Florida, interested in large sparse linear algebra.
• Michel Delfour
  Dipartement de mathimatiques et de statistique, Universiti de Montrial, 5151, Pavillon Andri Aisenstadt, Montreal, Canada.
• Ron Dembo
  president of Algorithmics in Toronto (financial math)
• James Demmel
  in numerical linear algebra, Professor of Mathematics and Computer Science, Computer Science Division, University of California at Berkeley. Working on LAPACK.
• John Dennis
  in Optimization, at Rice University. CRPC On-line Technical Reports at Rice University. CAAM Faculty, Staff, and Students at Rice University. CAAM Technical Reports at Rice University.
• Jacques Desrosiers
  crew scheduling, at GERAD in Montreal.
• Antoine Deza
  Interested in Combinatorics at McMaster University
• Gianni Di Pillo
  in Optimization, at Dipartimento di Informatica e Sistemistica Universita' di Roma "La Sapienza", Via Buonarroti 12, 00185, Roma, Italia
• Yichuan (Daniel) Ding
  Finished Masters with me at University of Waterloo; finished April 2007. Interested in Optimization and health care; at Sauder School of Business, University of British Columbia

E:

• Alan Edelman
  numerical linear algebra.

F:

• Shaun M. Fallat
  at Mathematics and Statistics Department, University of Regina, interested in matrix theory.
• Leonid Faybusovich
  at Notre Dame University, interested in e.g. semidefinite programming. His preprints, are available.
• Michael C. Ferris
  Industrial Engineering, University of Wisconsin-Madison; interests: mathematical programming, modeling and applications of operations research, complementarity problems, internet tools and problem solving environments, numerical algorithms
• Sjur Didrik Flam
  Department of Economics, University of Bergen.
• Anders Forsgren
  Division of Optimization and Systems Theory, Department of Mathematics, Royal Institute of Technology (KTH), SE-100 44 Stockholm, Sweden,
  Tel: +46 8 790 71 27, Fax: +46 8 22 53 20, Office: Lindstedstvdgen 25, room 3703
• Antonio Frangioni
  Univ. de Pisa, Dipart. Informatica, Italia, Corso. Works on bundle type methods for dual algorithms, multicommodity flows, nondifferentiable opt., bilevel problems. (Phd Thesis is available.)
• Robert M. Freund
  at MIT, interested in e.g. interior point methods and condition numbers. ( publications and this includes a survey paper on interior points.)
• Roland W. Freund
  at Bell Labs, Murray Hill, interested in e.g. scientific computing, numerical linear algebra, numerical solution of partial differential equations, large-scale optimization, and algorithms for circuit simulation. QMRPACK, quasi-minimal residual (QMR) algorithms is available)
• Michael Friedlander
  at Univ. British Columbia, Dept C.S., interested in e.g. numerical linear algebra, Optimization, Regularization.
• David Fuller
  at Management Sciences, University of Waterloo, interested in Research in Energy Economics and Operations Research, Mathematical Programming Models of Economic Equilibrium, with Applications to Energy Markets Forecasting and Electricity Market Design

G:

• Laurent El Ghaoui
  EECS Department, University of California at Berkeley
• Jean Charles Gilbert
  INRIA, interested in optimization.
• Phillip Gill
  at UCSD, Dept. Math., in the UCSD Scientific Computation Group interested in math programming.
• Michel X. Goemans
  Applied Mathematics at MIT, interested in semidefnite programming, combinatorial optimization, e.g. approximation algorithms. (Course notes on , randomized algorithms, network flows, linear programming, and approximation algorithms are available - as well as research reports); has moved to new address at CORE in Belgium.
• Jean-Louis Goffin
  Faculty of Management, McGill University, 1001 Sherbrooke West Montreal, Quebec, H3A1G5, CANADA PH: 15143984003 FAX: 15143983876
• Gene H. Golub
  Fletcher Jones Professor of Computer Science, Stanford University.
• Prof. Jacek Gondzio
  Univ. of Edinburgh, Large Scale Optimization
• Prof. Clovis Gonzaga
  Department of Mathematics, Federal University of Santa Catarina, Caixa Postal 5210, 88040-970 Florianspolis, SC, Brazil
• Nick Gould
  Numerical Analysis Group, at the Rutherford Appleton Laboratory.
• Muddappa Seetharama Gowda
  Department of Mathematics and Statistics, University of Maryland, Baltimore County
• Harvey Greenberg
  at U of Colorado, Denver, with lots of math info including the Mathematical Programming Glossary.
• Oleg Grodzevich, graduate student in C&O and Management Science at University of Waterloo (as of 2005)
• Prof. Dr. Martin Groetschel
  at Konrad-Zuse-Zentrum f|r Informationstechnik Berlin (ZIB)
• Osman Guler
  , Department of Mathematics and Statistics, University of Maryland, Baltimore County

H:

• swh consulting inc - Scott Hadley
  Waterloo graduate in O.R.
• Bill Hager
  at University of Florida, Department of Mathematics.
• Peter Hahn
  interested in e.g. QAP.
• Raphael Hauser, Oxford Univ., Cone Optimization.
  interested in e.g. QAP.
• Christoph Helmberg
  at Chemnitz University, Department of Mathematics, D-09107 Chemnitz Germany
• J. William Helton
  at Department of Mathematics, University of California San Diego.
• Bruce Hendrickson
  at Sandia National Labs, Applied & Numerical Mathematics Dept., interested in graph partitioning (special problem: load balancing).
• Didier Henrion
  Charge' de recherche au CNRS; Research interests: Numerical algorithms for polynomial matrices, convex optimization over linear matrix inequalities (LMIs) and robust multivariable control. Applications to aircraft turbofan engine control.
• Danel Hershkowitz
  interested in linear algebra, at Technion.
• Nick Higham
  interested in numerical linear algebra, books, papers and a large bib file are available.
• John Hodgson
  Dept Earth and Atmospheric Sciences, University of Alberta (supervisor of Harmut Von Gaza). Works on location-allocation modeling.
• Leslie Hogben
  Department of Mathematics 488 Carver Hall, Iowa State University Ames, IA 50011, Phone: (515)-294-8168, Fax: (515)-294-5454
• Allen Holder
  Trinity University, San Antonio, Tx; Dept. of Mathematics; interested in optimization, interior point methods.

I:

Tibor Illes
is at Dept of O.R., Eotvos Lorand Univ., Budapest Hungary.

J:

• Florian Jarre
  is at Mathematisches Institut, Lehrstuhl f|r Mathematische Optimierung, Universitdtsstra_e 1, D-40225 D|sseldorf. He is interested in convex programming and semidefinite programming.
• Vaithilingam Jeyakumar
  is Professor and Head of Department of Applied Mathematics at University of New South Wales, Sydney, Australia. He is interested in convex programming, duality, optimality conditions.
• Holly Jin
  President, Chief Scientist and Founder of Cardinal Optimization, California.
• Charles Johnson
  in the Department of Mathematics at the College of William and Mary, interested in MATRIX theory
• Prof. Dr. Hubertus Th. Jongen
  Aachen University of Technology and University of Hamburg, Mathematics, Section C, RWTH Aachen, Templergraben 55, 52056 Aachen, Telefon: +49 241 80 4540, Interested in parametric programming and sensitivity analysis.

K:

• Stefan Karisch
  working for Carmen Systems AB in Gothenburg, Sweden as an optimization specialist; interested in optimization and in particular the quadratic assignment problem; involved in upkeep of QAPLIB
• Dennis F. Karney
  at Kansas U. working in mangament science.
• Tim Kelley
  North Carolina State University. Interest: linear/nonlinear equations, multilevel methods for integral equations , radiative transfer problems, and optimal control , large scale optimization , optimization of noisy functions , and flow in porous media. Distributes matlab software for linear and nonlinear equations and optimization
• Homepage von Prof. Diethard Klatte
  Institut fur Operations Research, Moussonstrasse 15, 8044 Zurich, Tel.: 01 / 634 37 72 interested in: Nonsmooth Optimization: Stability, Sensitivity and Approximation and Error Bounds in Convex Optimization.
• Kenneth O. Kortanek
  University of Iowa, John F. Murray Research Professor, Department of Management Sciences
• Etienne de Klerk
  associate professor at Department of Econometrics and Operations Research of Tilburg University, The Netherlands; interested in Semidefinite and Cone programming, Approximation Algorithms for Combinatorial and Global Optimization, Interior Point Algorithms ( PhD thesis online)
• Masakazu Kojima
  with e.g. software `SDPA (Semidefinite Programming Algorithm) with Katsuki Fujisawa, and Kazuhide Nakata,
• Kartik Sivaramakrishnan,
  Harrelson Hall 235, Department of Mathematics, Campus Box 8205, North Carolina State University, Raleigh, NC 27695-8205, USA; areas of interest include convex optimization, especially conic programming with a special emphasis on second order cone programming (SOCP) and semidefinite programming (SDP).
• Nathan Krislock
  PhD April/2010, Comb. & Opt., University of Waterloo. Currently working on e.g. sensor localization; Postdoc at INRIA.
• Serge Kruk
  Mathematics and Statistics (Oakland University)

L:

• Jean Bernard LASSERRE
  Directeur de Recherche au CNRS, Postal address: LAAS-CNRS, 7 Avenue du Colonel Roche, 31 077 Toulouse Cedex 4, France, Til : (33) 5 61 33 64 15, Fax : (33) 5 61 33 69 36,
• Monique Laurent
  CWI, PO Box 94079, 1090 GB Amsterdam, The Netherlands
• Jon Lee
  IBM T.J. Watson Research Center, P.O. Box 218, Yorktown Heights, NY 10598
• Claude Lemarechal
  at Uniti de recherche de Rhtne-Alpes (INRIA), entretient des liens priviligiis avec l'Institut d'informatique et mathimatiques appliquies de Grenoble (Imag).
• Yuri Levin
  Queen's School of Business; Algorithms; Optimization Publications are available.
• Adrian Lewis
  Cornell University; Algorithms; Optimization Research page
• John Lewis
  University of Kentucky (Numerical Analysis, eigenvalue routines)
• Sven Leyffer
  Mathematics and Computer Science Division, Argonne National Laboratory
• Yuying Li
  Computer Science, University of Waterloo. Interested in Computational Finance.
• Wu Li
  Associate Professor, Department of Math and Statistics, Old Dominion University, Norfolk, Virginia 23529, USA, interested in: Optimization Theory (e.g. parametric programming) and Approximation Theory.
• P.O. Lindberg
  and P.O. Lindberg's group at Link\"oping University
• C.K. Li,
  College of William and Mary in Virginia, with interests in Matrix Theory, Operator Theory, Combinatorial Theory. He maintains Matrix Inequalities in Science and Engineering, for communications and questions and PROBLEMS.
• Joseph W.H. Liu
  Department of Computer Science , York University, CCB Building, room 224 Phone: (416) 736-2100 ext. 33928 Fax: (416) 736-5872 , Interested in sparse matrix computations.
• Philip Loewen
  at Department of mathematics, Univ. of British Columbia; interested in control theory and optimization.
  
• Laszlo Lovasz
  at Department of Computer Science Yale University New Haven, CT, interested in Combinatorial optimization, algorithms, complexity, random walks on graphs.
• Tom Luo
  at ECE Univ. of Minnesota; interested in parallel and distributed computation, theoretical computer science and large scale optimizations.
• papers by Irvin Lustig
  at CPLEX.

M:

• Jitendra Malik
  at Berkely, interested in e.g. graph partitioning and in computer vision.
• Olvie Mangasarian
  at Madison, Wisconsin, optimization.
• Murray Marshall
  Professor, Mathematical Sciences Group, Department of Computer Science, University of Saskatchewan. Research Interests: Quadratic forms, Real algebraic geometry (moment problem, spaces of orderings, minimal generation of semialgebraic sets, noncommutative real geometry)
• Helene Massam
  at UVa Dept Stats.
• Mehran Mesbahi
  at Department of Aerospace Engineering and Mechanics, University of Minnesota- Twin Cities , interested in optimization, systems theory, semidefinite programming.
• Juan Meza
  at Sandia National Laboratories PO Box 969, MS 9217, Livermore, CA 94551-0969, USA
• Marcel Mongeau
  at Universite Paul Sabatier, in Mathimatiques pour l'Industrie et la Physique , Toulouse, France; interested in nonlinear programming.
• Renata Monteiro
  home page at Georgia Tech - interested in interior points.
• Boris Mordukhovich
  home page at Wayne State University - interested in various aspects of Variational Analysis.
• Jorge More´ 's
  home page on various optimization related topics.
• Masakazu Muramatsu home page, interested in semidefinite programming and interior point methods.

N:

• Anna Nagurney
  home page, interested in variational inequalities.
• John Nash
  home page, at the University of Ottawa. Interested in math. computations and e-learning.
• Stephen Nash
  home page, optimization related topics.
• Madhu Nayakkankuppam
  home page, semidefinite programming,
• Prof. Arkadi Nemirovski
  Georgia Tech.
• Yurii Nesterov
  Professor, Universiti catholique de Louvain, at CORE in Belgium.
• Arnold Neumaier
  Prof. Dr. Arnold Neumaier, Institut f|r Mathematik, Universitdt Wien, Strudlhofgasse 4, A-1090 Wien, Austria. Interested in e.g. nonconvex QPs.
• Jorge Nocedal
  Professor, ECE Department, Northwestern University, Deputy Director, Optimization Technology
• Manuel Nunez
  School of Business and Economics, CHAPMAN University , interested in ill-posed problems and convex programs.

O:

• Dianne P. O'Leary
  in linear algebra, at Department of Computer Science, Institute for Advanced Computer Studies (UMIACS), University of Maryland at College Park.
• Dale Olesky
  Department of Computer Science, University of Victoria. Interested in matrix theory.
• Francois Oustry
  graduate engineer from ENSTA, interested in SDP and nonsmooth optimization.
• Michael Overton
  Department of Computer Science, Courant Institute of Mathematical Sciences, optimization, semidefinite programming, eigenvalue optimization.

P:

• Chris Paige
  McGill University; interested in Numerical Linear Algebra, e.g. sparse eigenvalue problems. (publications)
• Panos Pardalos
  (collaborator) is interested in global optimization and in combinatorial optimization; he has written papers with Mauricio G.C. Resende from AT&T Bell Laboratories Computing Science Research Center.
• Pablo A. Parrilo
  Automatic Control Laboratory, Swiss Federal Institute of Technology, Physikstrasse 3, ETL I 26, CH-8092 Z|rich; in Control and Dynamical Systems and interested in SDP
• Dmitrii V. (Dima) Pasechnik;
  research scientist at Theoretical Informatics Group, Informatics Institute, Faculty of Biology and Informatics, J.W. Goethe-University, Frankfurt(Main), Germany; research interests are optimization, complexity theory, combinatorics, group theory, and scientific computing (computational algebra, geometry and logic).
• Gabor Pataki
  at Department of Operations Research CB #3180, Smith Building, University of North Carolina Chapel Hill, NC 27599; interested in semidefinite programming.
• Pena, Javier
  Graduate School of Industrial Administration, Carnegie Mellon University
• Jiming Peng,
  at McMaster University, interested in interior-point methods.
• Edward D. Kim,
  Delft University of Technology, Faculteit EWI - Delft Institute of Applied Mathematics, Section Optimisation and Systems Theory, Mekelweg 4, 2628 CD Delft, The Netherlands
• Veronica Piccialli,
  Department of Computer and Systems Science "Antonio Ruberti", University of Rome "La Sapienza", Rome, Italy, Optimization (nonlinear programming).
• Mustafa Pinar
  Industrial Engineering Department, Bilkent University, 06533 Ankara TURKEY
• Janos D. Pinter
  at TUNS in Halifax; interested in global optimization. (Pinter Consulting Services (PCS))
• Svata Poljak
  Unfortunately, Svata had a fatal car accident April 2, 1995. He will be sorely missed. I have collected several of his papers, pictures, and a bibliography list locally. The special issue of the Mathematical Programming Journal on the topic of Semidefinite Programming is devoted to Svata.
• Roman Polyak, at George Mason University.
• Alex Pothen
  (collaborator) is interested in large sparse numerical linear algebra; he is Professor of Computer Science and Director of CSCAPES Institute
• Florian A. Potra
  interested in interior-point methods, Univ. of Maryland - Baltimore County.
• Mike Powell
  actually the dept of Math and Theor. Physics DAMTP. Research reports are available in the Numerical Analysis Group.
• Irwin S. Pressman
  School of Mathematics and Statistics, Carleton University.

Q:

R:

• Danny Ralph
  at the University of Melbourne, Math and Stats; interested in Opt/Oper. Res.
• Motakuri Ramana's Home Page
  Visiting Assistant Professor in Industrial Engineering at University of Florida. Interested in: Algorithms and Complexity ; Semidefinite Programming ; Global and Combinatorial Optimization ; Network flows and Graph Theory.
• James Renegar
  at Cornell Univ., Professor, Operations Research and Industrial Engineering.
• Franz Rendl
  (collaborator) is from the Research Group Operations Research, University of Klagenfurt, Klagenfurt, Austria. He is interested in combinatorics and combinatorial optimization. His preprints are available. General preprints in Germany and Austria are also available.
• Mauricio G.C. Resende
  from AT&T Bell Laboratories Information Sciences Research Center.

Kees Roos

Delft University of Technology

S:

• Romesh Saigal
  at Univ. Michigan, Dept. Industrial Eng and O.R.
• Fadil Santosa
  at Univ. Minnesota, School of Math., works on Inverse problems.
• Michael Saunders
  at Computer Science, Stanford.
• SIEGFRIED SCHAIBLE
  at Univ California, Riverside, interested in generalized concavity (convexity for us mathematicians).
• Prof. Klaus Schittkowski
  at University of Bayreuth, Dept. of Math., with . Interested in nonlinear programming, e.g. NLPQLP.
• Bobby Schnabel
  at Univ Colorado, Boulder, Numerical computation including numerical solution of unconstrained and constrained.
• Simon Schurr
  University of Waterloo
• Alan Selby,
  an old friend and University classmate in mathematics at McGill University. interests in Lessons and Appetizers for Math and Reason.
• Alexander Shapiro,
  from ISyE, Georgia Tech, Atlanta, GA 30332-0205, does work in optimization with special interest in semidefinite programming, eigenvalue problems, sensitivity analysis, uniqueness conditions, etc.... Related papers of his with various co-authors are available off a subdirectory from his home page;
• Hanif Sherali
  interested in operations research and combinatorial optimization.
• Philip W. Smith
  WindWard Technologies, Inc., (Nonlinear Programming Software, GRG2) 14311 Kellywood, Houston, TX 77079 , Fax (713) 564-6921, Phone (713) 556-5751
• Joseph So,
  in differential equations, at University of Alberta.
• Ariela Sofer
  Professor at George Mason University, Systems Engineering and Operations Research Department.
• Danny C. Sorensen,
  Professor at Rice University; works on e.g. large sparse eigenvalue problems, see ARPACK software.
• Renata Sotirov,
  Assist. Professor at Department of Econometrics & Operations Research, Tilburg University; works on e.g. large scale SDP problems.
• Oliver Stein, At Karlsruhe Univ., interested in e.g. SIP.
• Ron Stern
  from Concordia University, is a collaborator of mine and we have several papers together. Related papers of his with various co-authors are available;
• G.W. (Pete) Stewart,
  in linear algebra, at Department of Computer Science, Institute for Advanced Computer Studies (UMIACS), University of Maryland at College Park. Interested in Numerical Analysis, e.g. roundoff error embarrassments - transparencies.
• Jos Sturm,
  in Optimization. Also interested in SDP. Faculty of Economics, Department of Econometrics, Tilburg University, P.O. Box 90153 5000 LE Tilburg, The Netherlands, Tel +31 13 4662031, Fax +31 13 4663280, e-mail: j.f.sturm@kub.nl
• K. Subramani
  in Optimization/combinatorics, at CSEE - Computer Science and Engineering, West Virginia Univ.

T:

• Matthias P.L. Takouda
  researcher at UQAM in Montreal.
• Richard Tapia,
  in Optimization, at Rice University.
• Tamas Terlaky
  is interested in interior point methods for various problems, e.g. New IPMs Theory and Implementation group
• Jorgen Tind,
  Operations Research and Math Progr., Univ. of Copenhagen
• Mike Todd
  in Optimization, at Cornell University, School of Operations Research and Industrial Engineering. ( hobbies and local copy)
• Philippe Toint,
  in Optimization, at Facultis Universitaires ND de la Paix.
• Dr. Toh, Kim-Chuan
  at Department of Mathematics , National University of Singapore , 2 Science Drive 2, Singapore 117543, Singapore
• Gerardo Toraldo
  at The University of Naples Federico II. Agronomy School, Dpt of Agricultural Engineering and Agronomy (Land and Water Management Division) and at CPS, Center for Research on Parallel Computing and Supercomputers.
• Virginia Torczon
  at The College of William & Mary, interested in e.g. nondifferentiable opt.
• Professor L N (Nick) Trefethen,
  Professor of Numerical Analysis Oxford University Fellow of Balliol College, Head of the Numerical Analysis Group, special interest in Spectra and Pseudospectra. Includes Pseudospectra bibliography. Pseudospectra people.
• Jay Trieman,
  at Univ of Western Michigan, Kalamazoo
• Michael W. Trosset,
  Adjunct Associate Professor, Computational & Applied Mathematics, Rice University. Interested in Euclidean Distance Matrices.
• Paul Tseng,
  University of Washington, Research Interests: Continuous and discrete optimization, parallel optimization, network and graph algorithms.
• Levent Tuncel,
  University of Waterloo is a colleague of mine. Publications are available.
• Reha Tütüncü
  Dept. of Math. Sciences, Carnegie Mellon University

U:

V:

• Lieven Vandenberghe
  UCLA Electrical Engineering Department, interested in SDP and circuit design at Barcelona Design.
• Robert J. Vanderbei,
  SOR group, CE-42 E-Quad Princeton University, is a colleague. He is interested in interior point methods for linear and convex problems. (Originator of LOQO) (available: sailing Java demo)
• Paul Van Dooren
  Professor of Mathematical Engineering , Catholic University of Louvain , Department of Mathematical Engineering , Bbtiment Euler (A.202) , Avenue Georges Lemaitre 4 , B-1348 Louvain-la-Neuve, BELGIUM.
• Charles Van Loan
  Joseph C. Ford Professor of Engineering, Department of Computer Science , 4130 Upson Hall, Cornell University, Ithaca, New York 14853, interested in Numerical Linear Algebra.
• Anthony Vannelli
  Faculty of Engineering, University of Waterloo, Interested in Optimization with applications to e.g. VLSI.
• Stephen A. Vavasis
  Professor & University Research Chair (PhD, Stanford, 1989), Department of Combinatorics & Optimization, University of Waterloo, 200 University Avenue W., Waterloo, ON N2L 3G1; research interest is numerical analysis: Numerical optimization and complexity issues ; Numerical methods for boundary value problems ; Geometric problems arising in scientific computing ; Sparse matrix computations.
• Curt Vogel
  Department of Mathematical Sciences Montana State University, interested in: Inverse and Ill-Posed Problems, Image Processing, Numerical Analysis, Scientific Computing (and preconditioning of CG).
• Luis Nunes Vicente
  Departamento de Matematica, Universidade de Coimbra, Portugal, interested in optimization.
• Mark Voorthuyzen
  in England; friend (with Tracy, Jenny, Ryan, Michael, Alixandra); works for MICAN Limited.

W:

• David S. Watkins
  Professor of Mathematics at Washington State University and Affiliate Professor of Applied Mathematics at the University of Washington . Interested in matrix theory.
• Alistair Watson
  University of Dundee, interested in Numerical Analysis, e.g. norms of matrices.
• Clark P. Wells
  interested in protein folding problem, matrix completions; Room 277 Mackinac Hall, Grand Valley State University, Allendale, MI 49401, (616) 895 - 3691,
• Roger Wets,
  Department of Mathematics, University of California, Davis, Davis, CA 95616-8633; interested in: VARIATIONAL ANALYSIS, Optimization, Stochastic Programming
• Hugo Woerdeman,
  College of William and Mary in Virginia, with interests in modern analysis problems originating from control theory and signal processing.
• Margaret Wright
  at Bell Labs
• Steve Wright
  Computer Sciences Department, University of Wisconsin, 1210 West Dayton Street, Madison, WI 53706.
  Interested in Mathematical Programming (interior-points).

X:

Y:

• E. Alper YILDIRIM, SUNY at Stony Brook, Applied Mathematics and Statistics
• Jane J. Ye,
  UVic Department of Mathematics and Statistics; Research Interests: Optimization and Optimal Control via Nonsmooth Analysis
• Yinyu Ye,
  Professor of Management Science and Engineering and, by courtesy, Electrical Engineering Director, Industrial Affiliates Program, MS&E Terman Engineering Center 316 Department of Management Science and Engineering School of Engineering, Stanford University. Research Interest: Mathematical Programming ; Optimization Algorithm Design and Analysis ; Computational Complexity ; Operations Research and Its Applications.
• Ya-xiang Yuan,
  Professor and Director Institute of Computational Mathematics and Scientific/Engineering Computing, Chinese Academy of Sciences, P.O. Box 2719, Beijing 100080, China tel +86-10-6255-9001, +86-10-6255-4590 Fax +86-10-6254-2285, with working papers.

Z:

• Vera Zeidan
  at Department of Mathematics, Michigan State University. Interested in Control Theory and Optimization.
• Shuzhong Zhang,
  Department of Systems Engineering & Engineering Management, The Chinese University of Hong Kong. Interested in convex programming, e.g. semidefinite programming (reprints available).
• Qinghong Zhang
  Dept. Math. and Comp. Sc., Northern Michigan University.
• Yin Zhang
  Rice University, Department of Computational and Applied Mathematics, interested in SDP and interior-point methods.
• Qing Zhao,
  Was a student of mine here at University of Waterloo. He has now moved to Lucent Technology: Room 3N324, 101 Crawford Corner Rd., Holmdel, NJ 07733
• Yuriy Zinchenko
  Mathematics and Statistics, University of Calgary. Interested in: Mathematical programming with applications to computational geometry; Applications to medicine and healthcare, optimal radiation therapy; design; Scientific parallel computing and high-performance linear algebra; Operations research, optimization algorithms and software
• Jochem Zowe
  Department of Applied Mathematics, FAU, Lehrstuhl für Angewandte Mathematik II, Universität Erlangen-Nürnberg, Martensstr. 3, 91058 Erlangen, Germany

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, by Henry Wolkowicz

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