On Arkhipov’s and Enright’s functorsSpringer Science and Business Media LLC - - 2004
Oleksandr Khomenko, Volodymyr Mazorchuk
We give a description of Arkhipov’s and (Joseph’s and Deodhar-Mathieu’s versions of) Enright’s endofunctors on the category
associated with a fixed triangular decomposition of a complex finite-dimensional semi-simple Lie algebra, in terms of (co)approximation functors with respect to suitably chosen injective (resp. projective) modules. We establish some new co...... hiện toàn bộ