科研之友
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摘要
Lusztig constructed a Frobenius morphism for quantum groups at an film root of unity, which gives an integral lift of the Frobenius map on universal enveloping algebras in positive characteristic. Using the Hall algebra, we give a simple construction Using map for the positive part of the quantum group attached to an arbitrary Cartan datum in the nondivisible case.
- 出版日期2010-7-15
