Geometry of subalgebras and inseparable extensions

DOI10.1016/0021-8693(81)90311-2zbMath0477.16009OpenAlexW1985650569MaRDI QIDQ1160170

Murray Gerstenhaber, Ralph May

Publication date: 1981

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

Full work available at URL: https://doi.org/10.1016/0021-8693(81)90311-2

zbMATH Keywords

number of componentspurely inseparable extensionk-rational pointsd-dimensional subalgebrashighest dimensional subalgebrasPickert exponentsr-stable subalgebras

Mathematics Subject Classification ID

Finite rings and finite-dimensional associative algebras (16P10) Structure and classification for modules, bimodules and ideals (except as in 16Gxx), direct sum decomposition and cancellation in associative algebras) (16D70) Deformations of associative rings (16S80) Inseparable field extensions (12F15)

Cites Work

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• A rigidity theorem for subalgebras of Lie and associative algebras
• On dominance and varieties of commuting matrices
• Correction to ``Structure of inseparable extensions
• On the deformation of rings and algebras. III
• On the deformation of rings and algebras
• The Fundamental Form of an Inseparable Extension
• On the Galois theory of inseparable extensions
• Deformations of homomorphisms of Lie groups and Lie algebras
• Inseparable splitting theory
• Galois Theory of Purely Inseparable Fields of Exponent One