Anna M. Limbach

activity

20212026

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math.CO2025

Effective Khovanskii, Ehrhart Polytopes, and the Erdős Multiplication Table Problem

Anna Margarethe Limbach, Robert Scheidweiler, Eberhard Triesch

Let $P (k, n)$ be the set of products of $k$ factors from the set ${1, \dots, n} .$ In 1955, Erdős posed the problem of determining the order of magnitude of $∣ P (2, n) ∣$ and prove…

math.CO2025

When do graph covers preserve the clique dynamics of infinite graphs?

Anna M. Limbach, Martin Winter

We investigate for which classes of (potentially infinite) graphs the clique dynamics is cover stable, i. e., when clique convergence/divergence is preserved under triangular cover…