Anthony Ruozzi: Essential p-dimension of PGL

Submission: 2010, Apr 20

An improved upper bound for the essential p-dimension of PGL is computed using algebraic tori.

2000 Mathematics Subject Classification: 16K20, 20C10, 14L30, 20G15

Keywords and Phrases: Essential dimension, Algebraic tori, Brauer group

Full text: dvi.gz 14 k, dvi 29 k, ps.gz 193 k, pdf.gz 74 k, pdf 86 k.

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