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Electronic Colloquium on Computational Complexity

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REPORTS > AUTHORS > RISHABH KOTHARY:
All reports by Author Rishabh Kothary:

TR26-224 | 2nd October 2026
Swastik Kopparty, Rishabh Kothary, Shanthanu Rai

Explicit Nonlinear Functions beyond the Fourier bound

We study the problem of constructing highly nonlinear vectorial maps $F: \mathbb{F}_2^n \to \mathbb{F}_2^m$.
Concretely, we want an $F$ and an $A = A(m,n)>0$ as small as possible, so that for every affine map $L: \mathbb{F}_2^n \to \mathbb{F}_2^m$ (of the form $L(x) = Mx + b$) we have:
$$
agree(F,L) ... more >>>


TR26-105 | 25th June 2026
Somnath Bhattacharjee, Rishabh Kothary, Shanthanu Rai, Shubhangi Saraf

Deterministic Algorithms for Low Individual Degree Factors of Sparse Polynomials

We study factoring algorithms for general sparse polynomials and sparse polynomials of bounded individual degree and prove the following results.
1. We give a deterministic polynomial-time algorithm which takes as input an $n$-variate $s$-sparse polynomial $f$ of bounded individual degree $d$ and outputs a list of circuits which contains ... more >>>




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