activity
20022023
most citedOn Identity Testing of Tensors, Low-rank Recovery and Compressed Sensing

28 citations · 79 across the 28 of their papers we have counts for

collaborators

33 papers

cs.SC2023

A New Bound on Cofactors of Sparse Polynomials

Ido Nahshon, Amir Shpilka

We prove that for polynomials satisfying and , the -norm of the cofactor is bounded by $\|h\|_2 \leq \|f\|_1 \cdot\lef…

cs.CC2023

Discreteness of asymptotic tensor ranks

Jop Briët, Matthias Christandl, Itai Leigh +2

Tensor parameters that are amortized or regularized over large tensor powers, often called "asymptotic" tensor parameters, play a central role in several areas including algebraic…

cs.CC2022

Tensor Reconstruction Beyond Constant Rank

Shir Peleg, Amir Shpilka, Ben Lee Volk

We give reconstruction algorithms for subclasses of depth-3 arithmetic circuits. In particular, we obtain the first efficient algorithm for finding tensor rank, and an optimal tens…

cs.CC2022

On Hardness of Testing Equivalence to Sparse Polynomials Under Shifts

Suryajith Chillara, Coral Grichener, Amir Shpilka

We say that two given polynomials , over a ring , are equivalent under shifts if there exists a vector such that . Grigoriev and Karpin…

cs.CG2022

Robust Sylvester-Gallai type theorem for quadratic polynomials

Shir Peleg, Amir Shpilka

In this work, we extend the robust version of the Sylvester-Gallai theorem, obtained by Barak, Dvir, Wigderson and Yehudayoff, and by Dvir, Saraf and Wigderson, to the case of quad…

cs.IT2022

Explicit and Efficient Constructions of linear Codes Against Adversarial Insertions and Deletions

Roni Con, Amir Shpilka, Itzhak Tamo

In this work, we study linear error-correcting codes against adversarial insertion-deletion (insdel) errors, a topic that has recently gained a lot of attention. We construct linea…

cs.IT2021

Reed Solomon Codes Against Adversarial Insertions and Deletions

Roni Con, Amir Shpilka, Itzhak Tamo

In this work, we study the performance of Reed--Solomon codes against adversarial insertion-deletion (insdel) errors. We prove that over fields of size there are …

quant-ph2021★ 8 cited

Lower Bounds on Stabilizer Rank

Shir Peleg, Amir Shpilka, Ben Lee Volk

The stabilizer rank of a quantum state is the minimal such that for and stabilizer…

cs.CC2021

Hitting Sets and Reconstruction for Dense Orbits in and Circuits

Dori Medini, Amir Shpilka

In this paper we study polynomials in (polynomial-sized formulas) and in (polynomial-size depth- circuits) whose orbits, under the action of the affine group…

cs.CC2020

Polynomial time deterministic identity testingalgorithm for circuits via Edelstein-Kelly type theorem for quadratic polynomials

Shir Peleg, Amir Shpilka

In this work we resolve conjectures of Beecken, Mitmann and Saxena [BMS13] and Gupta [Gup14], by proving an analog of a theorem of Edelstein and Kelly for quadratic polynomials. As…

cs.CC2020

A generalized Sylvester-Gallai type theorem for quadratic polynomials

Shir Peleg, Amir Shpilka

In this work we prove a version of the Sylvester-Gallai theorem for quadratic polynomials that takes us one step closer to obtaining a deterministic polynomial time algorithm for t…

cs.IT2020★ 1 cited

Reed-Muller Codes: Theory and Algorithms

Emmanuel Abbe, Amir Shpilka, Min Ye

Reed-Muller (RM) codes are among the oldest, simplest and perhaps most ubiquitous family of codes. They are used in many areas of coding theory in both electrical engineering and c…

cs.IT2019★ 4 cited

Explicit and Efficient Constructions of Coding Schemes for the Binary Deletion Channel and the Poisson Repeat Channel

Roni Con, Amir Shpilka

This work gives an explicit construction of a family of error correcting codes for the binary deletion channel and for the Poisson repeat channel. In the binary deletion channel wi…

math.CO2019

Sylvester-Gallai type theorems for quadratic polynomials

Amir Shpilka

We prove Sylvester-Gallai type theorems for quadratic polynomials. Specifically, we prove that if a finite collection , of irreducible polynomials of degree at most …

cs.IT2018

On the Performance of Reed-Muller Codes with respect to Random Errors and Erasures

Ori Sberlo, Amir Shpilka

This work proves new results on the ability of binary Reed-Muller codes to decode from random errors and erasures. We obtain these results by proving improved bounds on the weight…

cs.CC2017

A PSPACE Construction of a Hitting Set for the Closure of Small Algebraic Circuits

Michael A. Forbes, Amir Shpilka

In this paper we study the complexity of constructing a hitting set for the closure of VP, the class of polynomials that can be infinitesimally approximated by polynomials that are…

cs.LG2017★ 3 cited

A learning problem that is independent of the set theory ZFC axioms

Shai Ben-David, Pavel Hrubes, Shay Moran +2

We consider the following statistical estimation problem: given a family F of real valued functions over some domain X and an i.i.d. sample drawn from an unknown distribution P ove…

cs.CC2017★ 1 cited

Succinct Hitting Sets and Barriers to Proving Algebraic Circuits Lower Bounds

Michael A. Forbes, Amir Shpilka, Ben Lee Volk

We formalize a framework of algebraically natural lower bounds for algebraic circuits. Just as with the natural proofs notion of Razborov and Rudich for boolean circuit lower bound…

cs.CC2016★ 9 cited

Proof Complexity Lower Bounds from Algebraic Circuit Complexity

Michael A. Forbes, Amir Shpilka, Iddo Tzameret +1

We give upper and lower bounds on the power of subsystems of the Ideal Proof System (IPS), the algebraic proof system recently proposed by Grochow and Pitassi, where the circuits c…

cs.CC2015★ 1 cited

Identity Testing and Lower Bounds for Read- Oblivious Algebraic Branching Programs

Matthew Anderson, Michael A. Forbes, Ramprasad Saptharishi +2

Read- oblivious algebraic branching programs are a natural generalization of the well-studied model of read-once oblivious algebraic branching program (ROABPs). In this work, we…

cs.IT2015★ 2 cited

Efficiently decoding Reed-Muller codes from random errors

Ramprasad Saptharishi, Amir Shpilka, Ben Lee Volk

Reed-Muller codes encode an -variate polynomial of degree by evaluating it on all points in . We denote this code by . The minimal distance of …

cs.CC2014

Subexponential Size Hitting Sets for Bounded Depth Multilinear Formulas

Rafael Oliveira, Amir Shpilka, Ben Lee Volk

In this paper we give subexponential size hitting sets for bounded depth multilinear arithmetic formulas. Using the known relation between black-box PIT and lower bounds we obtain…

cs.IT2014★ 2 cited

Reed-Muller codes for random erasures and errors

Emmanuel Abbe, Amir Shpilka, Avi Wigderson

This paper studies the parameters for which Reed-Muller (RM) codes over can correct random erasures and random errors with high probability, and in particular when can they…

cs.CC2014

Testing Equivalence of Polynomials under Shifts

Zeev Dvir, Rafael Oliveira, Amir Shpilka

Two polynomials are called shift-equivalent if there exists a vector such that the polynomial identity…