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math.CO2025
A note on improved bounds for hypergraph rainbow matching problems
Candida Bowtell, Andrea Freschi, Gal Kronenberg +1
A natural question, inspired by the famous Ryser-Brualdi-Stein Conjecture, is to determine the largest positive integer such that every collection of matchings, each o…
math.CO2019
Remarks on the distribution of colors in Gallai colorings
Joseph Feffer, Yaoying Fu, Jun Yan
A Gallai coloring of a complete graph is an edge coloring without triangles colored with three different colors. A sequence of positive integers is an…