2026 Ryan Williams: Computer Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Computer Science	41	8796	8546	3761	3612	170	7686

Ryan Williams publication distribution in Computer Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Computer Science in 2026. The highlighted bar marks where Ryan Williams sits on this spectrum.

32 publications 991+

This scientist: 170 publications — 35th percentile

35% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 991 publications or more.

Ryan Williams D-index placement in Computer Science in 2026

The chart shows the D-index (discipline H-index) distribution of Computer Science scientists ranked by Research.com in 2026. The highlighted bar marks where Ryan Williams sits on this spectrum.

30 D-Index 131+

This scientist: 41 D-Index — 40th percentile

40% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 131 D-Index or more.

Overview

Ryan Williams is a researcher affiliated with MIT in the United States, specializing in computer science with a focus on computational theory and mathematics.

Their work spans several main fields of study, including:

Computer Science

Within computer science, they are active in multiple subfields such as:

Computational Theory and Mathematics
Artificial Intelligence
Computer Networks and Communications
Cardiology and Cardiovascular Medicine
Pulmonary and Respiratory Medicine

The primary research topics covered in their publications include:

Complexity and Algorithms in Graphs
Machine Learning and Algorithms
Advanced Graph Theory Research
Cryptography and Data Security
Algorithms and Data Compression
Semigroups and Automata Theory
Constraint Satisfaction and Optimization

Ryan Williams has published papers extensively in venues such as:

arXiv (Cornell University)
Leibniz-Zentrum für Informatik (Schloss Dagstuhl)
SIAM Journal on Computing
Journal of Thrombosis and Haemostasis
ACM Transactions on Algorithms

Some of their recent publications include:

"Real-world use of apixaban for the treatment and prevention of thrombosis in children with cardiac disease," 2023, Journal of Thrombosis and Haemostasis
"Deterministic APSP, Orthogonal Vectors, and More," 2020, ACM Transactions on Algorithms
"Circuit Lower Bounds for Nondeterministic Quasi-polytime from a New Easy Witness Lemma," 2020, SIAM Journal on Computing
"Improved Merlin-Arthur Protocols for Central Problems in Fine-Grained Complexity," 2023, Algorithmica
"Lower Bounds Against Sparse Symmetric Functions of ACC Circuits: Expanding the Reach of #SAT Algorithms," 2022, Theory of Computing Systems

Their frequent collaborators include:

Nikhil Vyas
Ce Jin
Lijie Chen
Christina VanderPluym
Paul Esteso

Best Publications

On the complexity of optimal K-anonymity

Adam Meyerson;Ryan Williams

1216
Citations
A new algorithm for optimal 2-constraint satisfaction and its implications

Ryan Williams

510
Citations
Backdoors to typical case complexity

Ryan Williams;Carla P. Gomes;Bart Selman

447
Citations
Subcubic Equivalences between Path, Matrix and Triangle Problems

Virginia Vassilevska Williams;Ryan Williams

300
Citations
Finding paths of length k in O∗(2k) time

Ryan Williams

288
Citations
Non-uniform ACC Circuit Lower Bounds

Ryan Williams

284
Citations
On the possibility of faster SAT algorithms

Mihai Pătraşcu;Ryan Williams

240
Citations
Improving exhaustive search implies superpolynomial lower bounds

Ryan Williams

206
Citations
Faster all-pairs shortest paths via circuit complexity

Ryan Williams

202
Citations
Nonuniform ACC Circuit Lower Bounds

Ryan Williams

186
Citations
Improving Exhaustive Search Implies Superpolynomial Lower Bounds

Ryan Williams

184
Citations
Subcubic Equivalences Between Path, Matrix, and Triangle Problems

Virginia Vassilevska Williams;R. Ryan Williams

140
Citations
More applications of the polynomial method to algorithm design

Amir Abboud;Ryan Williams;Huacheng Yu

139
Citations
Finding, Minimizing, and Counting Weighted Subgraphs

Virginia Vassilevska Williams;Ryan Williams

118
Citations
Probabilistic Polynomials and Hamming Nearest Neighbors

Josh Alman;Ryan Williams

116
Citations
Finding, minimizing, and counting weighted subgraphs

Virginia Vassilevska;Ryan Williams

115
Citations
Simulating branching programs with edit distance and friends: or: a polylog shaved is a lower bound made

Amir Abboud;Thomas Dueholm Hansen;Virginia Vassilevska Williams;Ryan Williams

112
Citations
Regularity Lemmas and Combinatorial Algorithms

Nikhil Bansal;Ryan Williams

107
Citations
Deterministic APSP, orthogonal vectors, and more: quickly derandomizing razborov-smolensky

Timothy M. Chan;Ryan Williams

102
Citations
Limits and Applications of Group Algebras for Parameterized Problems

Ioannis Koutis;Ryan Williams

100
Citations
A new algorithm for optimal constraint satisfaction and its implications

Ryan Williams

87
Citations

Frequent Co-Authors

Raphael Yuster University of Haifa

Timothy M. Chan University of Illinois at Urbana-Champaign

Samuel R. Buss University of California, San Diego

Nikhil Bansal University of Michigan–Ann Arbor

Daniel M. Kane University of California, San Diego

Lane A. Hemaspaandra University of Rochester

Jan Vondrák Stanford University

Carla P. Gomes Cornell University

Russell Impagliazzo University of California, San Diego

Bart Selman Cornell University

External Links

Wikipedia of Ryan Williams Personal website of Ryan Williams Google Scholar page

If you think any of the details on this page are incorrect, let us know.

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