نتایج جستجو برای: hom functor
تعداد نتایج: 5327 فیلتر نتایج به سال:
We study the category O for a general Coxeter system using a formulation of Fiebig. The translation functors, the Zuckerman functors and the twisting functors are defined. We prove the fundamental properties of these functors, the duality of Zuckerman functor and generalization of Verma’s result about homomorphisms between Verma modules.
For graphs G and H, a homomorphism from G to H, or H-coloring of G, is an adjacency preserving map from the vertex set of G to the vertex set of H. Our concern in this paper is the maximum number of H-colorings admitted by an n-vertex, d-regular graph, for each H. Specifically, writing hom(G,H) for the number of H-colorings admitted by G, we conjecture that for any simple finite graph H (perhap...
The Hom-1 vesivirus was reported in 1998 following the inadvertent transmission of the animal calicivirus San Miguel sea lion virus to a human host in a laboratory. We characterized the Hom-1 strain and investigated the mechanism by which human cells could be infected. An expression library of 3,559 human plasma membrane proteins was screened for reactivity with Hom-1 virus-like particles, and ...
This thesis contains various results on unitary 2-representations of nite groups and their 2-characters, as well as on pivotal structures for fusion categories. The motivation is extended topological quantum eld theory (TQFT), where the 2-category of unitary 2-representations of a nite group is thought of as the `2-category assigned to the point' in the untwisted nite group model. The rst resul...
For a Hopf algebra H over a commutative ring k and a left H-module V, the tensor endofunctors V k - and - kV are left adjoint to some kinds of Hom-endofunctors of _HM. The units and counits of these adjunctions are formally trivial as in the classical case.The category of (bi-) modules over a quasi-Hopf algebra is monoidal and some generalized versions of Hom-tensor relations have been st...
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