Lagrangian Manifolds and the Maslov Operator
Series: Springer Series in Soviet Mathematics;
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Product details:
- Edition number Softcover reprint of the original 1st ed. 1990
- Publisher Springer Berlin Heidelberg
- Date of Publication 27 September 2011
- Number of Volumes 1 pieces, Book
- ISBN 9783642647659
- Binding Paperback
- No. of pages395 pages
- Size 235x155 mm
- Weight 622 g
- Language English
- Illustrations X, 395 p. 0
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Long description:
"This book presents Maslov's canonical operator method for finding asymptotic solutions of pseudo differential equations. The classical WKB method, so named in honor of its authors: Wentzel, Kramers and Brillouin, was created for finding quasi classical approximations in quantum mechanics. The simplicity, obviousness and ""physicalness"" of this method quickly made it popular: specialists in mathematical physics accepted it unequivocally as one of the weapons in their arsenal. The number of publications which are connected with the WKB method in one way or another can probably no longer be counted. The alternative name of the WKB method in diffraction problem- the ray method or the method of geometric optics - indicates that the approximations in the WKB method are constructed by means of rays. More precisely, the first approximation of the WKB method is constructed by means of rays (isolating the singular part), after which the usual methods of the (regular) theory of perturbations are applied. However, the ray method is not applicable at the points of space where the rays focus or form a caustic. Mathematically this fact expresses itself in the fact that the amplitude of the waves at such points become infinite."
MoreTable of Contents:
I. The Topology of Lagrangian Manifolds.- 1. Some Topological Considerations.- 2. The Geometry of Real Lagrangian Manifolds.- 3. Complex Lagrangian Manifolds.- II. Maslov’s Canonical Operator on a Real Lagrangian Manifold.- 4. Maslov’s Canonical Operator (Real Case).- 5. The Asymptotics of Integrals of Rapidly Oscillating Functions with a Complex Phase.- 6. Maslov’s Canonical Operator (Complex Case).- 7. Some Applications.- Appendix. Fourier-Maslov Integral Operators (The Smooth Theory of Maslov’s Canonical Operator).- Notation Index.
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