Tag
Derivation
2 resources tagged “Derivation” across the knowledge library.
2 items
Guide6 Aug 2026Definition of Lie Algebra CohomologyLie algebra cohomology as Ext over the enveloping algebra, invariants and coinvariants, the explicit description in degrees 0 and 1, and derivations.3 min readRead MoreGuide6 Aug 2026Derivations and the Semidirect ProductDerivations and principal derivations, the semidirect product, complements and their conjugacy, and the interpretation of H^1 as classifying complements.3 min readRead More