5 problems
Matching
Chen–Yang–Yuan–Zhang conjecture. For and ,
Mader's internally-disjoint-path conjecture. Such a system , set , and partition exist.
Gallai's conjecture. There exists such a system and set .
Lovász–Cherkassky conjecture. Under these hypotheses, there exists a system of edge-disjoint -paths having the required cut property for every .
Let be a positive integer, let be a graph of degeneracy , and let denote a constant depending on . A collection of paths is edge-disjoint if no two paths share…