Categorical Context of G-objectsDelves into the categorical framework for group actions and the correspondence between G-actions on c and functors from BG to C.
Invariant DefinitionsExplores invariant definitions in sets, groups, and automorphisms, including p-divisible groups and free abelian groups.
Isomorphism in CategoriesCovers the concept of isomorphism in categories, defining morphisms with inverses and exploring automorphisms and groupoids.
