The Forms of the Witt Group Schemes
β Scribed by Changchun Li
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 263 KB
- Volume
- 186
- Category
- Article
- ISSN
- 0021-8693
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π SIMILAR VOLUMES
Let n be a non-zero positive integer and (n) the set of all partitions of n. There is a oneto-one correspondence between (n) and the set of the conjugacy classes of S n , the symmetric group of degree n. Let X (S n ) = (S n , {R \* Ξ» } Ξ»β (n) ) be the group association scheme of S n and X = (X, {R Ξ»
## Abstract Let __R__ be a Gorenstein ring of finite Krull dimension and __t__ β __R__ a regular element. We show that if the quotient map __R__ β __R/Rt__ has a flat splitting then the transfer morphism of coherent Witt groups Tr~(__R/Rt__)/__R__~ : $ \widetilde W^{i} $(__R/Rt__) β $ \widetilde W^
Let F denote a field of characteristic different from two. In this paper we describe the mod 2 cohomology of a Galois group G F (called the W-group of F) which is known to essentially characterize the Witt ring WF of anisotropic quadratic modules over F. We show that H\*(G F , F 2 ) contains the mod