Abstract
20.1.1. Let M be an object of C. We define a basis at ∞ of M to be a pair consisting of
(a) a free A-submodule L of M such that M = Q(ν) ⊗ A L = M and
(b) a basis b of the Q-vector space L/v -1 L;
it is required that the properties (c)-(f) below are satisfied.
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Lusztig, G. (2010). Bases at ∞. In: Introduction to Quantum Groups. Modern Birkhäuser Classics. Birkhäuser Boston. https://doi.org/10.1007/978-0-8176-4717-9_20
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DOI: https://doi.org/10.1007/978-0-8176-4717-9_20
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