Theory of Groups and Symmetries: Representations of Groups and Lie Algebras, Applications
Autor Alexey P Isaev, Valery A Rubakoven Limba Engleză Hardback – 3 aug 2020
The presentation begins with the Dirac notation, which is illustrated by boson and fermion oscillator algebras and also Grassmann algebra. Then detailed account of finite-dimensional representations of groups SL(2, C) and SU(2) and their Lie algebras is presented. The general theory of finite-dimensional irreducible representations of simple Lie algebras based on the construction of highest weight representations is given. The classification of all finite-dimensional irreducible representations of the Lie algebras of the classical series sℓ(n, C), so(n, C) and sp(2r, C) is exposed.
Finite-dimensional irreducible representations of linear groups SL(N, C) and their compact forms SU(N) are constructed on the basis of the Schur-Weyl duality. A special role here is played by the theory of representations of the symmetric group algebra C Sr] (Schur-Frobenius theory, Okounkov-Vershik approach), based on combinatorics of Young diagrams and Young tableaux. Similar construction is given for pseudo-orthogonal groups O(p, q) and SO(p, q), including Lorentz groups O(1, N-1) and SO(1, N-1), and their Lie algebras, as well as symplectic groups Sp(p, q). The representation theory of Brauer algebra (centralizer algebra of SO(p, q) and Sp(p, q) groups in tensor representations) is discussed.
Finally, the covering groups Spin(p, q) for pseudo-orthogonal groups SO↑(p, q) are studied. For this purpose, Clifford algebras in spaces Rp, q are introduced and representations of these algebras are discussed.
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Specificații
ISBN-13: 9789811217401
ISBN-10: 9811217408
Pagini: 616
Dimensiuni: 157 x 235 x 37 mm
Greutate: 0.98 kg
Editura: World Scientific Publishing Company
ISBN-10: 9811217408
Pagini: 616
Dimensiuni: 157 x 235 x 37 mm
Greutate: 0.98 kg
Editura: World Scientific Publishing Company