On homological dimensions of cocommutative Hopf algebras
On ideals and homology in additive categories.
On Injective Rational Coefficient Systems.
On Leibniz homology
We describe a spectral sequence for computing Leibniz cohomology for Lie algebras.
On long exact -sequences in module theory.
On *-modules generating the injectives
On n-permutable equivalence relations in regular categories
On projective and injective objects of the categories dual to .
On projective resolutions of flat modules
On pure global dimension of locally finitely presented Grothendieck categories
On pure semi-simple Grothendieck categories I
On reflective subcategories of quasiabelian categories.
On relative extension groups in the category of commutative diagrams.
On spaces of the same strong -type.
On subdirect irreducibility and its variants
On superfluous subsemimodules.
On the 2-type of an iterated loop space.
On the adjoint map of homotopy abelian DG-Lie algebras
We prove that a differential graded Lie algebra is homotopy abelian if its adjoint map into its cochain complex of derivations is trivial in cohomology. The converse is true for cofibrant algebras and false in general.
On the Axiomatizability of Certain Classes of Modules.
On the Bernstein-Gelfand-Gelfand resolution and the Duflo sum formula