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Diff — Universal enveloping algebra

Revision #3588 → #4134 · back to history

modifiedCanonical embedding ι: g → U(g)6f66dd93df49
FieldFrom #3588To #4134
moderation_flagAnchor snippet contains `[MATH]` placeholder from source extraction; kept unchanged per human-preservation rule but the snippet may not match rendered text verbatim.
modifiedEvery g-representation extends uniquely to U(g)5d82b6cde160
FieldFrom #3588To #4134
moderation_flagAnchor snippet contains `[MATH]` placeholders from the source extraction.
addedCasimir elements act as scalars on irreducible representationse39656287e83
addedCenter Z(U(g)) as centralizer of g8830ea036eab
addedAdjoint action ad(x) is a derivation on U(g)3ed1ecc3e66b