𝔖 Bobbio Scriptorium
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u-invariants of fields of characteristic 2

✍ Scribed by P. Mammone; R. Moresi; A. R. Wadsworth


Book ID
110559507
Publisher
Springer-Verlag
Year
1991
Tongue
French
Weight
740 KB
Volume
208
Category
Article
ISSN
0025-5874

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Let F q be the finite field with q elements, q ΒΌ p n ; p 2 N a prime, and Mat 2:2 Γ°F q Þ the vector space of 2 Γ‚ 2-matrices over F. The group GLΓ°2; FÞ acts on Mat 2;2 Γ°F q Þ by conjugation. In this note, we determine the invariants of this action. In contrast to the case of an infinite field, where

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