On Central Idempotents in the Partition Algebra
โ Scribed by P Martin; D Woodcock
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- English
- Weight
- 116 KB
- Volume
- 217
- Category
- Article
- ISSN
- 0021-8693
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๐ SIMILAR VOLUMES
Let A be a commutative C U -algebra with identity and open unit ball B. We study holomorphic functions F: B ยช B that are idempotent under composition and establish necessary and sufficient conditions for a set R : B to be the image ลฝ of B under such an idempotent function. In other words, R is a hol
Let โ be a set, R a ring of characteristic p ) 0, and denote by M the k R-module with k-element subsets of โ as basis. The set inclusion map is the homomorphism which associates to a k-element subset โฌ the sum qโซ of all its k y 1 -element subsets โซ . In this paper we arising from ัจ. We introduce