Cohomology of Modules Over $H$-categories and Co-$H$-categories
Canadian journal of mathematics, Tome 72 (2020) no. 5, pp. 1352-1385
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Let $H$ be a Hopf algebra. We consider $H$-equivariant modules over a Hopf module category ${\mathcal{C}}$ as modules over the smash extension ${\mathcal{C}}\#H$. We construct Grothendieck spectral sequences for the cohomologies as well as the $H$-locally finite cohomologies of these objects. We also introduce relative $({\mathcal{D}},H)$-Hopf modules over a Hopf comodule category ${\mathcal{D}}$. These generalize relative $(A,H)$-Hopf modules over an $H$-comodule algebra $A$. We construct Grothendieck spectral sequences for their cohomologies by using their rational $\text{Hom}$ objects and higher derived functors of coinvariants.
Mots-clés :
H-category, co-H-category, H-equivariant module, relative Hopf module
Balodi, Mamta; Banerjee, Abhishek; Ray, Samarpita. Cohomology of Modules Over $H$-categories and Co-$H$-categories. Canadian journal of mathematics, Tome 72 (2020) no. 5, pp. 1352-1385. doi: 10.4153/S0008414X19000403
@article{10_4153_S0008414X19000403,
author = {Balodi, Mamta and Banerjee, Abhishek and Ray, Samarpita},
title = {Cohomology of {Modules} {Over} $H$-categories and {Co-}$H$-categories},
journal = {Canadian journal of mathematics},
pages = {1352--1385},
year = {2020},
volume = {72},
number = {5},
doi = {10.4153/S0008414X19000403},
url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008414X19000403/}
}
TY - JOUR AU - Balodi, Mamta AU - Banerjee, Abhishek AU - Ray, Samarpita TI - Cohomology of Modules Over $H$-categories and Co-$H$-categories JO - Canadian journal of mathematics PY - 2020 SP - 1352 EP - 1385 VL - 72 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.4153/S0008414X19000403/ DO - 10.4153/S0008414X19000403 ID - 10_4153_S0008414X19000403 ER -
%0 Journal Article %A Balodi, Mamta %A Banerjee, Abhishek %A Ray, Samarpita %T Cohomology of Modules Over $H$-categories and Co-$H$-categories %J Canadian journal of mathematics %D 2020 %P 1352-1385 %V 72 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/S0008414X19000403/ %R 10.4153/S0008414X19000403 %F 10_4153_S0008414X19000403
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