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Electronic Colloquium on Computational Complexity

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REPORTS > KEYWORD > POLYNOMIAL RECONSTRUCTION:
Reports tagged with Polynomial Reconstruction:
TR21-014 | 15th February 2021
Dori Medini, Amir Shpilka

Hitting Sets and Reconstruction for Dense Orbits in VP$_e$ and $\Sigma\Pi\Sigma$ Circuits

In this paper we study polynomials in VP$_e$ (polynomial-sized formulas) and in $\Sigma\Pi\Sigma$ (polynomial-size depth-$3$ circuits) whose orbits, under the action of the affine group GL$^{aff}_n({\mathbb F})$, are dense in their ambient class. We construct hitting sets and interpolating sets for these orbits as well as give reconstruction algorithms.

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