On Certain Groups of Automorphisms of Affine Lie Algebras
Received:January 16, 1985  
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Liu Lishi 北京师范大学数学系 
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Abstract:
      Let A be a symmetrizable generalized Cartan matrix, g( A) the Kac-Moody algebra associated with A, h a Cartan subalgebra of g( A). In this paper, we discuss certain groups of automorphisms of g( A) . Especially, when A is of affine type, the group of automorphisms which left h invariant is completely determined.
Citation:
DOI:10.3770/j.issn:1000-341X.1990.03.001
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