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arxiv: 1102.0037 · v2 · pith:R6XYNFWSnew · submitted 2011-01-31 · 🧮 math.AG · math.RA

Twisted gamma-filtration of a linear algebraic group

classification 🧮 math.AG math.RA
keywords algebraicgamma-filtrationgrouplineartwistedapplyborelcenter
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In the present notes we introduce and study the twisted gamma-filtration on K_0(G), where G is a split simple linear algebraic group over a field of characteristic prime to the order of the center of G. We apply this filtration to construct torsion elements in the gamma-ring of an inner form of the variety of Borel subgroups of G.

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