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Linear representations of algebras and groups, Lie theory, associative algebras, multilinear algebra.

5 votes
1 answer
470 views

Finite dimensional homogeneous spaces of $Diff(S^1)$

This question is a refined version of Representations of infinite dimensional Lie algebras as vector fields on manifolds I'm interested in the finite dimensional homogeneous spaces of $Diff(S^1)$. Th …
H. Arponen's user avatar
5 votes

Why the Gell-Mann matrices in the SU(3)-model need to be trace orthogonal ?

It's just a choice of a basis. Compare it to an orthogonal vector basis. And please... try to write math in LaTeX :) (see the "How to write math" box on the right and below).
H. Arponen's user avatar