Shmuel Safra

Orcid: 0000-0002-5022-7727

Affiliations:
  • Tel Aviv University, Israel


According to our database1, Shmuel Safra authored at least 65 papers between 1985 and 2025.

Collaborative distances:
  • Dijkstra number2 of three.
  • Erdős number3 of two.

Timeline

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Bibliography

2025
Deterministic Hardness of Approximation of Unique-SVP and GapSVP in ℓ<sub>p</sub> norms for p>2.
CoRR, October, 2025

2023
On the Shortest Lattice Vector vs. the Shortest Basis.
CoRR, 2023

NP-Hardness of Almost Coloring Almost 3-Colorable Graphs.
Proceedings of the Approximation, 2023

2021
Theorems of KKL, Friedgut, and Talagrand via Random Restrictions and Log-Sobolev Inequality.
Proceedings of the 12th Innovations in Theoretical Computer Science Conference, 2021

2020
Towards a Proof of the Fourier-Entropy Conjecture?
Proceedings of the 61st IEEE Annual Symposium on Foundations of Computer Science, 2020

2019
Revisiting Bourgain-Kalai and Fourier Entropies.
CoRR, 2019

2018
Small Set Expansion in The Johnson Graph.
Electron. Colloquium Comput. Complex., 2018

On non-optimally expanding sets in Grassmann graphs.
Proceedings of the 50th Annual ACM SIGACT Symposium on Theory of Computing, 2018

Towards a proof of the 2-to-1 games conjecture?
Proceedings of the 50th Annual ACM SIGACT Symposium on Theory of Computing, 2018

Pseudorandom Sets in Grassmann Graph Have Near-Perfect Expansion.
Proceedings of the 59th IEEE Annual Symposium on Foundations of Computer Science, 2018

2017
On independent sets, 2-to-2 games, and Grassmann graphs.
Proceedings of the 49th Annual ACM SIGACT Symposium on Theory of Computing, 2017

2015
On the Converse of Talagrand's Influence Inequality.
CoRR, 2015

On Monotonicity Testing and Boolean Isoperimetric Type Theorems.
Proceedings of the IEEE 56th Annual Symposium on Foundations of Computer Science, 2015

2013
Towards an optimal query efficient PCP?
Proceedings of the Innovations in Theoretical Computer Science, 2013

2012
Approximating the Influence of Monotone Boolean Functions in O(√n) Query Complexity.
ACM Trans. Comput. Theory, 2012

2011
Approximating the Influence of a monotone Boolean function in O(\sqrt{n}) query complexity
CoRR, 2011

PCP Characterizations of NP: Toward a Polynomially-Small Error-Probability.
Comput. Complex., 2011

A Two Prover One Round Game with Strong Soundness.
Proceedings of the IEEE 52nd Annual Symposium on Foundations of Computer Science, 2011

Approximating the Influence of Monotone Boolean Functions in $O(\sqrt{n})$ Query Complexity.
Proceedings of the Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques, 2011

2010
Hardness of Finding Independent Sets in Almost 3-Colorable Graphs.
Proceedings of the 51th Annual IEEE Symposium on Foundations of Computer Science, 2010

2009
Inapproximability of Vertex Cover and Independent Set in Bounded Degree Graphs.
Proceedings of the 24th Annual IEEE Conference on Computational Complexity, 2009

2008
The Erdös-Hajnal conjecture for bull-free graphs.
J. Comb. Theory B, 2008

Ranged hash functions and the price of churn.
Proceedings of the Nineteenth Annual ACM-SIAM Symposium on Discrete Algorithms, 2008

2007
Hardness Amplification for Errorless Heuristics.
Proceedings of the 48th Annual IEEE Symposium on Foundations of Computer Science, 2007

2006
Algorithmic construction of sets for <i>k</i>-restrictions.
ACM Trans. Algorithms, 2006

Exponential Determinization for omega-Automata with a Strong Fairness Acceptance Condition.
SIAM J. Comput., 2006

On the complexity of approximating <i>k</i>-set packing.
Comput. Complex., 2006

Threshold Phenomena and Influence: Perspectives from Mathematics, Computer Science, and Economics.
Proceedings of the Computational Complexity and Statistical Physics., 2006

2005
The complexity of low-distortion embeddings between point sets.
Proceedings of the Sixteenth Annual ACM-SIAM Symposium on Discrete Algorithms, 2005

On Non-Approximability for Quadratic Programs.
Proceedings of the 46th Annual IEEE Symposium on Foundations of Computer Science, 2005

2003
On the complexity of price equilibria.
J. Comput. Syst. Sci., 2003

On the Hardness of Approximating k-Dimensional Matching
Electron. Colloquium Comput. Complex., 2003

Approximating CVP to Within Almost-Polynomial Factors is NP-Hard.
Comb., 2003

On the Complexity of Approximating k-Dimensional Matching.
Proceedings of the Approximation, 2003

Proving Hard-Core Predicates Using List Decoding.
Proceedings of the 44th Symposium on Foundations of Computer Science, 2003

On the Complexity of Approximating TSP with Neighborhoods and Related Problems.
Proceedings of the Algorithms, 2003

2002
The importance of being biased.
Proceedings of the Proceedings on 34th Annual ACM Symposium on Theory of Computing, 2002

On the complexity of equilibria.
Proceedings of the Proceedings on 34th Annual ACM Symposium on Theory of Computing, 2002

Testing Juntas.
Proceedings of the 43rd Symposium on Foundations of Computer Science, 2002

2001
Extractors from Reed-Muller Codes.
Proceedings of the 42nd Annual Symposium on Foundations of Computer Science, 2001

1999
On the Hardness of Approximating Label Cover
Electron. Colloquium Comput. Complex., 1999

Approximating Shortest Lattice Vectors is Not Harder Than Approximating Closest Lattice Vectors.
Electron. Colloquium Comput. Complex., 1999

PCP Characterizations of NP: Towards a Polynomially-Small Error-Probability.
Proceedings of the Thirty-First Annual ACM Symposium on Theory of Computing, 1999

1998
Approximating CVP to Within Almost Polynomial Factor is NP-Hard
Electron. Colloquium Comput. Complex., 1998

Approximating-CVP to Within Almost-Polynomial Factors is NP-Hard.
Proceedings of the 39th Annual Symposium on Foundations of Computer Science, 1998

1997
A Sub-Constant Error-Probability Low-Degree Test, and a Sub-Constant Error-Probability PCP Characterization of NP.
Proceedings of the Twenty-Ninth Annual ACM Symposium on the Theory of Computing, 1997

A Combinatorial Consistency Lemma with Application to Proving the PCP Theorem.
Proceedings of the Randomization and Approximation Techniques in Computer Science, 1997

1996
Interactive Proofs and the Hardness of Approximating Cliques.
J. ACM, 1996

A Combinatorial Consistency Lemma with application to the PCP Theorem
Electron. Colloquium Comput. Complex., 1996

Relating Word and Tree Automata.
Proceedings of the Proceedings, 1996

1995
On data structures and asymmetric communication complexity.
Proceedings of the Twenty-Seventh Annual ACM Symposium on Theory of Computing, 1995

1994
On Planning while Learning.
J. Artif. Intell. Res., 1994

1993
On the Hardness of Approximating the Chromatic Number.
Proceedings of the Second Israel Symposium on Theory of Computing Systems, 1993

A Well-Characterized Approximation Problem.
Proceedings of the Second Israel Symposium on Theory of Computing Systems, 1993

1992
Exponential Determinization for omega-Automata with Strong-Fairness Acceptance Condition (Extended Abstract)
Proceedings of the 24th Annual ACM Symposium on Theory of Computing, 1992

Probabilistic Checking of Proofs; A New Characterization of NP
Proceedings of the 33rd Annual Symposium on Foundations of Computer Science, 1992

Low Communication 2-Prover Zero-Knowledge Proofs for NP.
Proceedings of the Advances in Cryptology, 1992

1991
Approximating Clique is Almost NP-Complete (Preliminary Version)
Proceedings of the 32nd Annual Symposium on Foundations of Computer Science, 1991

1989
On omega-Automata and Temporal Logic (Preliminary Report)
Proceedings of the 21st Annual ACM Symposium on Theory of Computing, 1989

1988
On the Complexity of omega-Automata
Proceedings of the 29th Annual Symposium on Foundations of Computer Science, 1988

1987
Notes on the Complexity of Systolic Programs.
J. Parallel Distributed Comput., 1987

1986
Multiway Merge with Constant Delay in Concurrent Prolog.
New Gener. Comput., 1986

A parallel implementation of Flat Concurrent Prolog.
Int. J. Parallel Program., 1986

Meta Interpreters For Real (Invited Paper).
Proceedings of the Information Processing 86, 1986

1985
Fast Multiway Merge Using Destructive Operation.
Proceedings of the International Conference on Parallel Processing, 1985


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