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math.CO2025
The Rainbow Arborescence Problem on Cycles
Kristóf Bérczi, Tamás Király, Yutaro Yamaguchi +1
The rainbow arborescence conjecture posits that if the arcs of a directed graph with vertices are colored by colors such that each color class forms a spanning arborescen…
math.CO2024
Rainbow Arborescence Conjecture
Kristóf Bérczi, Tamás Király, Yutaro Yamaguchi +1
The famous Ryser--Brualdi--Stein conjecture asserts that every Latin square contains a partial transversal of size . Since its appearance, the conjecture has attr…