1 problem

Conjecture on asymptotic existence of $(6m,4m,3m,5)$ -concentrators
arXiv@arxiv
Concentrator existence conjecture. $(6m,4m,3m,5)$ -concentrators exist for all sufficiently large $m$ .
Conjectureopenconcentrators extremal-combinatorics graph-theory
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Conjecture on asymptotic existence of (6m,4m,3m,5)(6m,4m,3m,5)(6m,4m,3m,5)-concentrators