By Victor G Kac,Ashok K Raina,Natasha Rozhkovskaya

ISBN-10: 981452218X

ISBN-13: 9789814522182

ISBN-10: 9814522198

ISBN-13: 9789814522199

The first version of this publication is a set of a sequence of lectures given via Professor Victor Kac on the TIFR, Mumbai, India in December 1985 and January 1986. those lectures specialize in the belief of a maximum weight illustration, which works via 4 various incarnations.

The first is the canonical commutation family of the limitless dimensional Heisenberg Algebra (= oscillator algebra). the second one is the top weight representations of the Lie algebra *gℓ*_{∞} of countless matrices, besides their functions to the speculation of soliton equations, came across by way of Sato and Date, Jimbo, Kashiwara and Miwa. The 3rd is the unitary maximum weight representations of the present (= affine Kac–Moody) algebras. those Lie algebras seem within the lectures in connection to the Sugawara building, that is the most instrument within the learn of the fourth incarnation of the most proposal, the speculation of the top weight representations of the Virasoro algebra. particularly, the booklet presents a whole facts of the Kac determinant formulation, the main bring about illustration concept of the Virasoro algebra.

The moment variation of this booklet comprises, as its first half, the mostly unchanged textual content of the 1st variation, whereas its moment half is the gathering of lectures on vertex algebras, introduced via Professor Kac on the TIFR in January 2003. the fundamental inspiration of those lectures was once to illustrate how the main notions of the speculation of vertex algebras — similar to quantum fields, their common ordered product and lambda-bracket, energy-momentum box and conformal weight, untwisted and twisted representations — simplify and make clear the buildings of the 1st variation of the book.

This ebook can be very precious for either mathematicians and physicists. To mathematicians, it illustrates the interplay of the major principles of the illustration thought of endless dimensional Lie algebras and of the idea of vertex algebras; and to physicists, those theories are becoming an immense section of such domain names of theoretical physics as soliton concept, conformal box idea, the idea of two-dimensional statistical versions, and string theory.

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### Bombay Lectures on Highest Weight Representations of Infinite Dimensional Lie Algebras (Advanced Series in Mathematical Physics) by Victor G Kac,Ashok K Raina,Natasha Rozhkovskaya

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