On central extensions and simply laced Lie algebras

Let $\Lambda$ be a simply laced root lattice and $w$ an elliptic automorphism of $\Lambda$ of order $d$. This paper gives a construction that begins with a central extension of the group of coinvariants $\Lambda_w$ and produces a semisimple Lie algebra of Dykin type $\Lambda$ with an automorphism of...

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Bibliographische Detailangaben

1. Verfasser:	Romano, Beth
Format:	Artikel
Sprache:	eng
Schlagworte:	Mathematics - Number Theory Mathematics - Representation Theory
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