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Original Articles

AN ANTISYMMETRIC SPACE WITH NONTRIVIAL K2-INVARIANT

Pages 1387-1394 | Received 01 Jul 1999, Published online: 20 Aug 2006
 

Abstract

Let A be a commutative ring in which 2 is invertible. Following Giffen, we define an invariant for antisymmetric spaces over A which is analogous to the Clifford invariant for quadratic spaces and takes values in a quotient of K 2(A). We give an example to show that for rings of dimension at least 2 this invariant is not trivial.

Acknowledgments

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