Journal of Lie Theory Vol. 15, No. 1, pp. 145–181 (2005) 

Extended Affine Root Systems of Type BCSaeid Azam, Valiollah Khalili, and Malihe YousofzadehSaeid AzamDepartment of Mathematics University of Isfahan, Isfahan Iran, P.O.Box 81745 azam@math.ui.ac.ir, \smallskip Malihe Yousofzadeh Institute for Studies in Theoretical Physics and Mathematics (IPM) ma.yousofzadeh@math.ui.ac.ir, and Valiollah Khalili Department of Mathematics University of Isfahan, Isfahan Iran, P.O.Box 81745 vk@math.ui.ac.ir Abstract: We classify the $BC$type extended affine root systems for nullity $\leq 3$, in its most general sense. We show that these abstractly defined root systems are the root systems of a class of Lie algebras which are axiomatically defined and are closely related to the class of extended affine Lie algebras. Full text of the article: (for faster download, first choose a mirror)
Electronic fulltext finalized on: 26 Aug 2004. This page was last modified: 4 Jun 2010.
© 2004 Heldermann Verlag
