2 papers
math.PR2019
Probability of consensus in spatial opinion models with confidence threshold
Mela Hardin, Nicolas Lanchier
This paper gives lower bounds for the probability of consensus for two spatially explicit stochastic opinion models. Both processes are characterized by two finite connected graphs…
math.CO2012
A bivariate chromatic polynomial for signed graphs
Matthias Beck, Mela Hardin
We study Dohmen--Pönitz--Tittmann's bivariate chromatic polynomial which counts all -colorings of a graph such that adjacent vertices get different colors if…