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On Kalai’s Conjectures Concerning Centrally Symmetric Polytopes

✍ Scribed by Raman Sanyal; Axel Werner; Günter M. Ziegler


Publisher
Springer
Year
2008
Tongue
English
Weight
404 KB
Volume
41
Category
Article
ISSN
0179-5376

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📜 SIMILAR VOLUMES


On Lih's Conjecture concerning Spernerit
✍ D.G.C. Horrocks 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 237 KB

Let F be a nonempty collection of subsets of [n] = {1, 2, . . . , n}, each having cardinality t. Denote by P F the poset consisting of all subsets of [n] which contain at least one member of F , ordered by set-theoretic inclusion. In 1980, K. W. Lih conjectured that P F has the Sperner property for