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Galambos–Reiner's tight-bound conjecture for higher Bruhat acyclic sets
Galambos–Reiner's conjecture. The quantity $\mathsf{fb}(m)$ is a tight upper bound on the cardinality of acyclic sets described in terms of higher Bruhat orders.
Conjecturerefutedacyclic-domains higher-bruhat-orders social-choicearXiv posted 2 days ago

Galambos–Reiner's tight-bound conjecture for higher Bruhat acyclic sets