Why the characteristic polynomial factors

zbMath0855.05012MaRDI QIDQ1921471

Bruce E. Sagan

Publication date: 26 January 1997

Published in: Séminaire Lotharingien de Combinatoire (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/119010

zbMATH Keywords

characteristic polynomialhyperplane arrangementssigned graphssupersolvable lattices

Mathematics Subject Classification ID

Enumerative combinatorics (05A99)

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