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The double Ringel-Hall algebra on a hereditary abelian finitary length category |
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| Authors: | DOU RuJing LIU QunHua & XIAO Jie Academy of Mathematics Systems Science Chinese Academy of Science Beijing China Institute for Algebra Number Theory University of Stuttgart Stuttgart Germany |
| Institution: | DOU RuJing 1,LIU QunHua 2 & XIAO Jie 3 1 Academy of Mathematics and Systems Science,Chinese Academy of Science,Beijing 100190,China,2 Institute for Algebra and Number Theory,University of Stuttgart,Stuttgart 70569,Germany,3 Department of Mathematical Sciences,Tsinghua University,Beijing 100084 |
| Abstract: | |
| Keywords: | Ringel-Hall algebra generalized Kac-Moody Lie algebra coherent sheaf semi-stability |
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