This volume collects chapters that examine representation theory as connected with affine Lie algebras and their quantum analogues, in celebration of the impact

The present monograph develops a unified theory of Steinberg groups, independent of matrix representations, based on the theory of Jordan pairs and the theory o

This book focuses on recent developments in the theory of vertex algebras, with particular emphasis on affine vertex algebras, affine W-algebras, and W-algebras

'I can think of no other edifice constructed by man as altruistic as a lighthouse. They were built only to serve.' George Bernard Shaw Since ancient times, long

Introduction to concepts of category theory — categories, functors, natural transformations, the Yoneda lemma, limits and colimits, adjunctions, monads — re