A Gersten–Witt spectral sequence for regular schemes
نویسندگان
چکیده
منابع مشابه
A Gersten-witt Spectral Sequence for Regular Schemes
A spectral sequence is constructed whose nonzero E1-terms are the Witt groups of the residue fields of a regular scheme X, arranged in Gersten-Witt complexes, and whose limit is the four global Witt groups of X. There are several immediate consequences concerning purity for Witt groups of low-dimensional schemes. The Witt groups of punctured spectra of regular local rings are also computed. Let...
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ژورنال
عنوان ژورنال: Annales Scientifiques de l’École Normale Supérieure
سال: 2002
ISSN: 0012-9593
DOI: 10.1016/s0012-9593(01)01084-9