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math.CO2023
Bounds on Functionality and Symmetric Difference -- Two Intriguing Graph Parameters
Pavel Dvořák, Lukáš Folwarczný, Michal Opler +3
Functionality () is a graph parameter that generalizes graph degeneracy defined by Alecu et al. [JCTB, 2021]. They research the relation of functionality to many othe…
math.CO2021
Bears with Hats and Independence Polynomials
Václav Blažej, Pavel Dvořák, Michal Opler
Consider the following hat guessing game. A bear sits on each vertex of a graph , and a demon puts on each bear a hat colored by one of colors. Each bear sees only the hat c…