Geometric methods for cohomological invariants.
Guillot, Pierre (2007)
Documenta Mathematica
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Guillot, Pierre (2007)
Documenta Mathematica
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Pierre Guillot (2010)
Annales de l’institut Fourier
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The cohomology ring of a finite group, with coefficients in a finite field, can be computed by a machine, as Carlson has showed. Here “compute” means to find a presentation in terms of generators and relations, and involves only the underlying (graded) ring. We propose a method to determine some of the extra structure: namely, Stiefel-Whitney classes and Steenrod operations. The calculations are explicitly carried out for about one hundred groups (the results can be consulted on the...
Hausmann, Jean-Claude, Holm, Tara, Puppe, Volker (2005)
Algebraic & Geometric Topology
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Emili Bifet (1992)
Publicacions Matemàtiques
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We explain the philosophy behind the computations in [BDP] and place them in a wider conceptual setting. We also outline, for toric varieties, the resulting equivalent approach to some key results in that theory.
Martin Markl (1988)
Czechoslovak Mathematical Journal
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Vladimir Voevodsky (2003)
Publications Mathématiques de l'IHÉS
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Hanspeter Kraft, Gerald W. Schwarz (1992)
Publications Mathématiques de l'IHÉS
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