4.1 Article

A class of Lie algebras arising from intersection matrices

Journal

FRONTIERS OF MATHEMATICS IN CHINA
Volume 10, Issue 1, Pages 185-198

Publisher

HIGHER EDUCATION PRESS
DOI: 10.1007/s11464-014-0418-y

Keywords

Intersection matrices; extended affine Lie algebra; generator; classification

Categories

Funding

  1. National Natural Science Foundation of China [11001110, 11271131]
  2. Jiangsu Government Scholarship for Overseas Studies

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We find a class of Lie algebras, which are defined from the symmetrizable generalized intersection matrices. However, such algebras are different from generalized intersection matrix algebras and intersection matrix algebras. Moreover, such Lie algebras generated by semi-positive definite matrices can be classified by the modified Dynkin diagrams.

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