Parimala, R. ; Sridharan, R. (1994) Non-surjectivity of the Clifford invariant map Proceedings of the Indian Academy of Sciences - Mathematical Sciences, 104 (1). pp. 49-56. ISSN 0253-4142
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Official URL: http://www.ias.ac.in/j_archive/mathsci/104/1/49-56...
Related URL: http://dx.doi.org/10.1007/BF02830873
Abstract
The question whether there exists a commutative ring A for which there is an element in the 2-torsion of the Brauer group not represented by a Clifford algebra was raised by Alex Hahn. Such an example is constructed in this paper and is arrived at using certain results of Parimala-Sridharan and Parimala-Scharlau which are also reviewed here.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Indian Academy of Sciences. |
| Keywords: | Quadratic Forms; Clifford Invariant; Brauer Group; Canonical Class |
| ID Code: | 34537 |
| Deposited On: | 22 Apr 2011 14:31 |
| Last Modified: | 17 May 2016 17:25 |
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