Group graded rings and smash products
Graded modules over G-sets II.
Modules Graded by G-sets.
Topological linear compactness for Grothendieck categories. Theorem of Tychonoff. Applications to coalgebras.
We show the Tychonoff's theorem for a Grothendieck category with a set of small projective generators. Strictly quasi-finite objects for semiartinian Grothendieck categories are characterized. We apply these results to the study of the Morita duality of dual algebra of a coalgebra.
Atomical Grothendieck categories.
Smash products for -sets, Clifford theory and duality theorems.
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