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Questions tagged [co.combinatorics]

Enumerative combinatorics, graph theory, order theory, posets, matroids, designs and other discrete structures. It also includes algebraic, analytic and probabilistic combinatorics.

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How to apply Pohlig Hellman using a very limited set of auxiliary inputs in that case?

So I was reading about Talotti, Paier, and Miculan - ECC’s Achilles’ Heel: Unveiling Weak Keys in Standardized Curves. The underlying idea is to lift the discrete logarithm problem to $\mathrm{prime}−...
user2284570's user avatar
1 vote
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A question relates to edge chromatic-polynomial

Properly colored graph (edge has color) means that any two adjacent edges have distinct colors. The edge chromatic polynomial $ech(G, k)$ gives the number of proper edge coloring of the $G$ with $k$ ...
Yuhang Bai's user avatar