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- Rost_invariant abstract "In mathematics, the Rost invariant is an invariant of an absolutely simple simply connected algebraic group G over a field k, which associates an element of the Galois cohomology group H3(k, Q/Z(2)) to a principal homogeneous space for G. Here the coefficient group Q/Z(2) is the tensor product of the group of roots of unity of an algebraic closure of k with itself. Markus Rost (1991) first introduced the invariant for groups of type F4 and later extended it to more general groups in unpublished work that was summarized by Serre (1995).The Rost invariant is a generalization of the Arason invariant.".
- Rost_invariant wikiPageExternalLink item?id=SB_1993-1994__36__229_0.
- Rost_invariant wikiPageID "39486121".
- Rost_invariant wikiPageRevisionID "589699762".
- Rost_invariant authorlink "Markus Rost".
- Rost_invariant b "et".
- Rost_invariant first "Markus".
- Rost_invariant last "Rost".
- Rost_invariant p "3".
- Rost_invariant year "1991".
- Rost_invariant subject Category:Algebraic_groups.
- Rost_invariant comment "In mathematics, the Rost invariant is an invariant of an absolutely simple simply connected algebraic group G over a field k, which associates an element of the Galois cohomology group H3(k, Q/Z(2)) to a principal homogeneous space for G. Here the coefficient group Q/Z(2) is the tensor product of the group of roots of unity of an algebraic closure of k with itself.".
- Rost_invariant label "Rost invariant".
- Rost_invariant sameAs m.0vpw2qh.
- Rost_invariant sameAs Q17102845.
- Rost_invariant sameAs Q17102845.
- Rost_invariant wasDerivedFrom Rost_invariant?oldid=589699762.
- Rost_invariant isPrimaryTopicOf Rost_invariant.