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math.CO2026
The Hypergraph Moore Bound
Afonso S. Bandeira, Dmitriy Kunisky, Petar Nizić-Nikolac +2
The hypergraph Moore bound conjectured by Feige (2008) controls the size of the smallest even cover in a -uniform hypergraph in terms of the average density of hyperedges. An ev…
cs.DS2026
Derandomizing Matrix Concentration Inequalities from Free Probability
Robert Wang, Lap Chi Lau, Hong Zhou
Recently, sharp matrix concentration inequalities~\cite{BBvH23,BvH24} were developed using the theory of free probability. In this work, we design polynomial time deterministic alg…