Algebra 17 Matrices 9 Study and teaching (Secondary) 9 Dissertations 8 Dissertations, Academic 8 Algebras, Linear 5 Mathematics 4 Study and teaching 4 Data processing 3 Rings (Algebra) 3 Algebra, Boolean 2 Algebraic spaces 2 Algebraic topology 2 C*-algebras 2 Differential algebra 2 Geometry, Algebraic 2 Group theory 2 Hopf algebras 2 Mappings (Mathematics) 2 Mathematical models 2 Modules (Algebra) 2 Symmetric matrices 2 Triangular operator algebras 2 Vector spaces 2 Abelian groups 1 Ability testing 1 Algebra, Linear 1 Algebraic number theory 1 Artin algebras 1 Automorphic forms 1