World's Best Scientists 2026 revealed!
Stephen A. Vavasis

Stephen A. Vavasis

D-Index & Metrics

Mathematics

D-Index
42
Citations
6929
World Ranking
1801
National Ranking
64

Engineering and Technology

D-Index
42
Citations
6930
World Ranking
6580
National Ranking
271

Stephen A. Vavasis publication distribution in Mathematics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mathematics in 2026. The highlighted bar marks where Stephen A. Vavasis sits on this spectrum.

42–46 publications: 3 scientists 47–51 publications: 5 scientists 52–56 publications: 7 scientists 57–61 publications: 20 scientists 62–66 publications: 14 scientists 67–71 publications: 25 scientists 72–76 publications: 19 scientists 77–81 publications: 35 scientists 82–86 publications: 50 scientists 87–91 publications: 60 scientists 92–96 publications: 86 scientists 97–101 publications: 84 scientists 102–106 publications: 83 scientists 107–111 publications: 90 scientists 112–116 publications: 99 scientists 117–121 publications: 90 scientists 122–126 publications: 91 scientists 127–131 publications: 109 scientists 132–136 publications: 110 scientists 137–141 publications: 98 scientists 142–146 publications: 112 scientists 147–151 publications: 102 scientists 152–156 publications: 88 scientists 157–161 publications: 106 scientists 162–166 publications: 83 scientists 167–171 publications: 102 scientists 172–176 publications: 77 scientists 177–181 publications: 81 scientists 182–186 publications: 78 scientists 187–191 publications: 71 scientists 192–196 publications: 92 scientists 197–201 publications: 64 scientists 202–206 publications: 69 scientists 207–211 publications: 64 scientists 212–216 publications: 62 scientists 217–221 publications: 58 scientists 222–226 publications: 53 scientists 227–231 publications: 50 scientists 232–236 publications: 46 scientists 237–241 publications: 46 scientists 242–246 publications: 46 scientists 247–251 publications: 43 scientists 252–256 publications: 29 scientists 257–261 publications: 45 scientists 262–266 publications: 30 scientists 267–271 publications: 33 scientists 272–276 publications: 34 scientists 277–281 publications: 30 scientists 282–286 publications: 31 scientists 287–291 publications: 21 scientists 292–296 publications: 34 scientists 297–301 publications: 26 scientists 302–306 publications: 10 scientists 307–311 publications: 17 scientists 312–316 publications: 23 scientists 317–321 publications: 13 scientists 322–326 publications: 16 scientists 327–331 publications: 26 scientists 332–336 publications: 13 scientists 337–341 publications: 13 scientists 342–346 publications: 16 scientists 347–351 publications: 17 scientists 352–356 publications: 12 scientists 357–361 publications: 18 scientists 362–366 publications: 18 scientists 367–371 publications: 9 scientists 372–376 publications: 11 scientists 377–381 publications: 8 scientists 382–386 publications: 8 scientists 387–391 publications: 9 scientists 392–396 publications: 9 scientists 397–401 publications: 8 scientists 402–406 publications: 11 scientists 407–411 publications: 6 scientists 412–416 publications: 6 scientists 417–421 publications: 9 scientists 422–426 publications: 8 scientists 427–431 publications: 5 scientists 432–436 publications: 8 scientists 437–441 publications: 8 scientists 442–446 publications: 4 scientists 447–451 publications: 4 scientists 452–456 publications: 4 scientists 457–461 publications: 2 scientists 462–466 publications: 2 scientists 467–471 publications: 4 scientists 472–476 publications: 3 scientists 477–481 publications: 3 scientists 482–486 publications: 6 scientists 487–491 publications: 3 scientists 492–496 publications: 5 scientists 497–501 publications: 5 scientists 502–506 publications: 1 scientists 507–511 publications: 6 scientists 512–516 publications: 4 scientists 517–521 publications: 1 scientists 522–526 publications: 3 scientists 527–531 publications: 1 scientists 532–536 publications: 4 scientists 537+ publications: 100 scientists
42 publications 537+

This scientist: 114 publications — 18th percentile

18% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 537 publications or more.

Stephen A. Vavasis D-index placement in Mathematics in 2026

The chart shows the D-index (discipline H-index) distribution of Mathematics scientists ranked by Research.com in 2026. The highlighted bar marks where Stephen A. Vavasis sits on this spectrum.

30 D-Index: 174 scientists 31 D-Index: 151 scientists 32 D-Index: 174 scientists 33 D-Index: 117 scientists 34 D-Index: 136 scientists 35 D-Index: 127 scientists 36 D-Index: 145 scientists 37 D-Index: 153 scientists 38 D-Index: 150 scientists 39 D-Index: 150 scientists 40 D-Index: 138 scientists 41 D-Index: 136 scientists 42 D-Index: 93 scientists 43 D-Index: 108 scientists 44 D-Index: 115 scientists 45 D-Index: 112 scientists 46 D-Index: 103 scientists 47 D-Index: 75 scientists 48 D-Index: 59 scientists 49 D-Index: 67 scientists 50 D-Index: 60 scientists 51 D-Index: 57 scientists 52 D-Index: 59 scientists 53 D-Index: 62 scientists 54 D-Index: 60 scientists 55 D-Index: 50 scientists 56 D-Index: 42 scientists 57 D-Index: 54 scientists 58 D-Index: 50 scientists 59 D-Index: 42 scientists 60 D-Index: 41 scientists 61 D-Index: 35 scientists 62 D-Index: 40 scientists 63 D-Index: 21 scientists 64 D-Index: 31 scientists 65 D-Index: 27 scientists 66 D-Index: 29 scientists 67 D-Index: 19 scientists 68 D-Index: 25 scientists 69 D-Index: 17 scientists 70 D-Index: 18 scientists 71 D-Index: 12 scientists 72 D-Index: 14 scientists 73 D-Index: 13 scientists 74 D-Index: 18 scientists 75 D-Index: 9 scientists 76 D-Index: 11 scientists 77 D-Index: 10 scientists 78 D-Index: 9 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 10 scientists 82 D-Index: 5 scientists 83 D-Index: 5 scientists 84 D-Index: 13 scientists 85 D-Index: 6 scientists 86+ D-Index: 99 scientists
30 D-Index 86+

This scientist: 42 D-Index — 51st percentile

51% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 86 D-Index or more.

Research.com Recognitions

  • 1996 - Fellow of John Simon Guggenheim Memorial Foundation

Overview

Stephen A. Vavasis is affiliated with the University of Waterloo in Canada. Their research spans multiple fields including Computer Science, Engineering, and Mathematics. The primary areas of focus include Artificial Intelligence, Computational Mechanics, Numerical Analysis, Computational Theory and Mathematics, and Statistics and Probability.

The main topics addressed in their work involve Sparse and Compressive Sensing Techniques, Advanced Optimization Algorithms Research, Stochastic Gradient Optimization Techniques, Optimization and Variational Analysis, Matrix Theory and Algorithms, Complex Network Analysis Techniques, and graph theory and CDMA systems.

Frequent coauthors in their publications include Andersen Ang, Hans De Sterck, Levent Tunçel, Jingye Xu, and Jimit Majmudar.

Stephen A. Vavasis has contributed to a variety of publication venues, most notably:

  • arXiv (Cornell University)
  • Mathematical Programming Computation
  • SIAM Journal on Optimization
  • Foundations of Computational Mathematics
  • Journal of Global Optimization

Notable recent papers authored by or coauthored with Stephen A. Vavasis include:

  • Computational Complexity of Decomposing a Symmetric Matrix as a Sum of Positive Semidefinite and Diagonal Matrices, 2023, Foundations of Computational Mathematics
  • Provable Overlapping Community Detection in Weighted Graphs, 2020, arXiv (Cornell University)
  • Nonlinear conjugate gradient for smooth convex functions, 2024, Mathematical Programming Computation
  • MGProx: A Nonsmooth Multigrid Proximal Gradient Method with Adaptive Restriction for Strongly Convex Optimization, 2024, SIAM Journal on Optimization
  • Computational complexity of decomposing a symmetric matrix as a sum of positive semidefinite and diagonal matrices, 2022, arXiv (Cornell University)

Stephen A. Vavasis was recognized as a Fellow of the John Simon Guggenheim Memorial Foundation in 1996.

Best Publications

  • On the Complexity of Nonnegative Matrix Factorization

    Stephen A. Vavasis

  • Quadratic programming with one negative eigenvalue is NP-hard

    Panos M. Pardalos;Stephen A. Vavasis

  • Nonlinear optimization: complexity issues

    Stephen A. Vavasis

  • Fast and Robust Recursive Algorithmsfor Separable Nonnegative Matrix Factorization

    Nicolas Gillis;Stephen A. Vavasis

  • Separators for sphere-packings and nearest neighbor graphs

    Gary L. Miller;Shang-Hua Teng;William Thurston;Stephen A. Vavasis

  • Automatic Mesh Partitioning

    Gary L. Miller;Shang-Hua Teng;William Thurston;Stephen A. Vavasis

  • A unified geometric approach to graph separators

    G.L. Miller;S.-H. Teng;S.A. Vavasis

  • A primal-dual interior point method whose running time depends only on the constraint matrix

    Stephen A. Vavasis;Yinyu Ye

  • Quadratic programming is in NP

    S. A. Vavasis

  • Quality mesh generation in three dimensions

    Scott A. Mitchell;Stephen A. Vavasis

  • Exponential lower bounds for finding Brouwer fixed points

    Unknown

  • Geometric Separators for Finite-Element Meshes

    Gary L. Miller;Shang-Hua Teng;William Thurston;Stephen A. Vavasis

  • Time continuity in cohesive finite element modeling

    Katerina D. Papoulia;Chin-Hang Sam;Stephen A. Vavasis

  • Nuclear norm minimization for the planted clique and biclique problems

    Brendan P. W. Ames;Stephen A. Vavasis

  • Numerical Conformal Mapping Using Cross-Ratios and Delaunay Triangulation

    Tobin A. Driscoll;Stephen A. Vavasis

  • Preconditioning for boundary integral equations

    Stephen A. Vavasis

  • Quality Mesh Generation in Higher Dimensions

    Scott A. Mitchell;Stephen A. Vavasis

  • COMPLEXITY ISSUES IN GLOBAL OPTIMIZATION: A SURVEY

    Stephen A. Vavasis

  • Approximation algorithms for indefinite quadratic programming

    Stephen A. Vavasis

  • Solving Elliptic Finite Element Systems in Near-Linear Time with Support Preconditioners

    Erik G. Boman;Bruce Hendrickson;Stephen Vavasis

  • Convex optimization

    Florian Jarre;Stephen A. Vavasis

Frequent Co-Authors

Gary L. Miller
Gary L. Miller Carnegie Mellon University
Yinyu Ye
Yinyu Ye Stanford University
Shang-Hua Teng
Shang-Hua Teng University of Southern California
Nicolas Gillis
Nicolas Gillis University of Mons
Bruce Hendrickson
Bruce Hendrickson Lawrence Livermore National Laboratory
William P. Thurston
William P. Thurston Cornell University
Henry Wolkowicz
Henry Wolkowicz University of Waterloo
Panos M. Pardalos
Panos M. Pardalos University of Florida
Ali Ghodsi
Ali Ghodsi University of Waterloo
Kim-Chuan Toh
Kim-Chuan Toh National University of Singapore

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Related Online Degrees & Career Pathways

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For students eager to accelerate their education, some choose the fastest online MBA options, which allow them to quickly transition into managerial roles or entrepreneurial ventures leveraging their quantitative background.

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