Algebra Associative rings and algebras -- General and miscellaneous -- None of the above, but in this section Associative rings and algebras -- Rings and algebras arising under various constructions -- None of the above, but in this section Combinatorial designs and configurations Combinatorics -- Algebraic combinatorics -- Group actions on combinatorial structures Combinatorics -- Designs and configurations -- Designs and configurations Combinatorics -- Explicit machine computation and programs (not the theory of computation or programming) Combinatorics -- Research exposition (monographs, survey articles) Group theory and generalizations -- Abstract finite groups -- Abstract finite groups Group theory and generalizations -- Connections with homological algebra and category theory -- Cohomology of groups Group theory and generalizations -- Permutation groups -- Multiply transitive finite groups Kombinatorische Designtheorie Linear and multilinear algebra; matrix theory -- Basic linear algebra -- Matrix equations and identities Darstellungstheorie Gruppentheorie Nilpotent groups Nilpotente Gruppe Representatie (wiskunde) Representations of groups