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NP-Hardness of Approximating Meta-Complexity: A Cryptographic Approach
April 12, 2023, 12:06 p.m. |
IACR News www.iacr.org
ePrint Report: NP-Hardness of Approximating Meta-Complexity: A Cryptographic Approach
Yizhi Huang, Rahul Ilango, Hanlin Ren
It is a long-standing open problem whether the Minimum Circuit Size Problem ($\mathrm{MCSP}$) and related meta-complexity problems are NP-complete. Even for the rare cases where the NP-hardness of meta-complexity problems are known, we only know very weak hardness of approximation.
In this work, we prove NP-hardness of approximating meta-complexity with nearly-optimal approximation gaps. Our key idea is to use *cryptographic constructions* in our reductions, where …
cases complexity construction correctness eprint report key meta problem problems prove report security size work
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