Ext1for the frobenius kernels of SL2

DOI10.1080/00927878508823155zbMath0549.20027OpenAlexW2056106725MaRDI QIDQ3342751

Wolfgang Pfautsch

Publication date: 1985

Published in: Communications in Algebra (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/00927878508823155

zbMATH Keywords

Frobenius morphismaffine group schemesimple \(G_ r\)-moduleswild rpresentation type

Mathematics Subject Classification ID

Representation theory for linear algebraic groups (20G05) Group schemes (14L15) Affine algebraic groups, hyperalgebra constructions (14L17)

Related Items (4)

\(\text{Ext}^ 1\) for Weyl modules of \(\text{SL}_ 2(K)\) ⋮ Support varieties, AR-components, and good filtrations. ⋮ Galois actions and blocks of tame infinitesimal group schemes ⋮ Polyhedral groups, McKay quivers, and the finite algebraic groups with tame principal blocks.

Cites Work

• Cohomology, hyperalgebras, and representations
• Blocks and indecomposable modules for semisimple algebraic groups
• The Projective Indecomposable Modules of SL(2, p ⁿ )
• Ext¹for sl₂
• Restricted Lie algebras of bounded type

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