Heller triangulated categories

Hereditary Categories with Serre Duality which are generated by Preprojectives

Hereditary uniserial categories with Serre duality

Hermitian-holomorphic (2)-Gerbes and tame symbols

Higher categories, colimits, and the blob complex

Higher central extensions and Hopf formulae

Higher dimensional algebras via colored PROPs

Higher Dimensional Enrichment

Higher Dimensional Homology Algebra II:Projectivity

Higher Dimensional Homology Algebra III:Projective Resolutions and Derived 2-Functors in (2-SGp)

Higher Dimensional Homology Algebra IV:Projective Resolutions and Derived 2-Functors in ($\cR$-2-Mod)

Higher Dimensional Homology Algebra V:Injective Resolutions and Derived 2-Functors in ($\cR$-2-Mod)

Higher dimensional hypercategories

Higher gauge theory I: 2-Bundles

Higher Operads, Higher Categories

Higher Topos Theory

Higher-dimensional categories with finite derivation type

Higher-dimensional normalisation strategies for acyclicity

Hochschild (co)homology of the second kind I

Homological algebra of semimodules and semicontramodules. Semi-infinite homological algebra of associative algebraic structures