Affine Lie algebras and modular forms
I. G. MacDonald (1980-1981)
Séminaire Bourbaki
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Displaying similar documents to “A character approach to Looijenga's invariant theory for generalized root systems”
Affine Lie algebras and modular forms
Branching theorems for semisimple Lie groups of real rank one
M. Welleda Baldoni Silva (1979)
Rendiconti del Seminario Matematico della Università di Padova
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A third look at weight diagrams
Nikolai Vavilov (2000)
Rendiconti del Seminario Matematico della Università di Padova
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Kac-Moody algebras: An introduction for physicists
Olive, David I.
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An extension of Rais' theorem and seaweed subalgebras of simple Lie algebras
Dmitri I. Panyushev (2005)
Annales de l’institut Fourier
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We prove an extension of Rais' theorem on the coadjoint representation of certain graded Lie algebras. As an application, we prove that, for the coadjoint representation of any seaweed subalgebra in a general linear or symplectic Lie algebra, there is a generic stabiliser and the field of invariants is rational. It is also shown that if the highest root of a simple Lie algerba is not fundamental, then there is a parabolic subalgebra whose coadjoint representation...