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math.CO2022
On the location of chromatic zeros of series-parallel graphs
Ferenc Bencs, Jeroen Huijben, Guus Regts
In this paper we consider the zeros of the chromatic polynomial of series-parallel graphs. Complementing a result of Sokal, showing density outside the disk , we show d…
math.CO2021★ 8 cited
Sampling from the low temperature Potts model through a Markov chain on flows
Jeroen Huijben, Viresh Patel, Guus Regts
In this paper we consider the algorithmic problem of sampling from the Potts model and computing its partition function at low temperatures. Instead of directly working with spin c…