𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Rationality of the Möbius function of subword order

✍ Scribed by Anders Björner; Christophe Reutenauer


Book ID
107948736
Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
503 KB
Volume
98
Category
Article
ISSN
0304-3975

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📜 SIMILAR VOLUMES


Möbius Functions of Lattices
✍ Andreas Blass; Bruce E. Sagan 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 412 KB

We introduce the concept of a bounded below set in a lattice. This can be used to give a generalization of Rota's broken circuit theorem to any finite lattice. We then show how this result can be used to compute and combinatorially explain the Mo bius function in various examples including non-cross