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The Crossed Product by a Partial Endomorphism

✍ Scribed by Ruy Exel*; Danilo Royer**


Publisher
Springer
Year
2007
Tongue
English
Weight
386 KB
Volume
38
Category
Article
ISSN
1678-7714

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πŸ“œ SIMILAR VOLUMES


Product partial orders with the sperner
✍ Robert A. Proctor; Michael E. Saks; Dean G. Sturtevant πŸ“‚ Article πŸ“… 1980 πŸ› Elsevier Science 🌐 English βš– 754 KB

Sufficient conditions are established for the product of two ranked partially ordered sets to have the Sperner property. As a consequence, it is shown that the class of strongly Sperner rank-unimodal rank-symmetric partially ordered sets is closed under the operation of product. Counterexamples are