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Electronic Colloquium on Computational Complexity

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REPORTS > AUTHORS > PRASHANT VASUDEVAN:
All reports by Author Prashant Vasudevan:

TR20-044 | 8th April 2020
Marshall Ball, Elette Boyle, Akshay Degwekar, Apoorvaa Deshpande, Alon Rosen, Vinod Vaikuntanathan, Prashant Vasudevan

Cryptography from Information Loss

Revisions: 1

Reductions between problems, the mainstay of theoretical computer science, efficiently map an instance of one problem to an instance of another in such a way that solving the latter allows solving the former. The subject of this work is ``lossy'' reductions, where the reduction loses some information about the input ... more >>>


TR19-038 | 7th March 2019
Itay Berman, Akshay Degwekar, Ron D. Rothblum, Prashant Vasudevan

Statistical Difference Beyond the Polarizing Regime

Revisions: 1

The polarization lemma for statistical distance ($\mathrm{SD}$), due to Sahai and Vadhan (JACM, 2003), is an efficient transformation taking as input a pair of circuits $(C_0,C_1)$ and an integer $k$ and outputting a new pair of circuits $(D_0,D_1)$ such that if $\mathrm{SD}(C_0,C_1)\geq\alpha$ then $\mathrm{SD}(D_0,D_1) \geq 1-2^{-k}$ and if $\mathrm{SD}(C_0,C_1) \leq ... more >>>




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