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math.CO2026
Juniper Green and the Gallai-Edmonds Decomposition
Tony Zeng
Juniper Green is a simple combinatorial game invented by Rob Porteous and popularized by Ian Stewart. It was originally designed to familiarize school children with the concepts of…
math.CO2023
Graph decomposition via edge edits into a union of regular graphs
Tony Zeng
Suppose a finite, unweighted, combinatorial graph is the union of several (degree-)regular graphs which are then additionally connected with a few additional edges. …