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Electronic Colloquium on Computational Complexity

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REPORTS > KEYWORD > LOCAL RING:
Reports tagged with local ring:
TR19-008 | 20th January 2019
Ashish Dwivedi, Rajat Mittal, Nitin Saxena

Efficiently factoring polynomials modulo $p^4$

Polynomial factoring has famous practical algorithms over fields-- finite, rational \& $p$-adic. However, modulo prime powers it gets hard as there is non-unique factorization and a combinatorial blowup ensues. For example, $x^2+p \bmod p^2$ is irreducible, but $x^2+px \bmod p^2$ has exponentially many factors! We present the first randomized poly($\deg ... more >>>




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