Semigroup theory examines algebraic structures consisting of a set endowed with an associative binary operation. These structures encompass a wide range of mathematical entities including monoids, ...

"In the preparation of this book the senior author's earlier Russian book ("Theory of structures,' by S. Timoshenko, 2d ed., St. Petersburg, 1926) was extensively used."--Pref. siris_sil_63560 ...

Geometric representation theory is a vibrant field that unites methods from algebraic geometry, category theory and homological algebra to probe the symmetries and invariants arising from algebraic ...