tez@sci.u-ryukyu.ac.jp, yagita@mx.ibaraki.ac.jp

Submission: 2009, Jan 29

We study the image of the natural map from group cohomology to Galois cohomology by using motivic cohomology of classifying spaces of linear groups.

2000 Mathematics Subject Classification: Primary 11E72, 12G05; Secondary 55R35

Keywords and Phrases: cohomolgy invariant, classifying spaces, motivic cohomology

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