Hall algebras and the Quantum Frobenius
Lusztig has constructed a Frobenius morphism for quantum groups at an $\ell$-th 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 of this map for the positive part of the...
Главный автор: | McGerty, K |
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Формат: | Journal article |
Язык: | English |
Опубликовано: |
2006
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