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Korteweg–de Vries Flows With General Initial Conditions, Hardcover by Kotani,...

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Item specifics

Condition
Like New: A book that looks new but has been read. Cover has no visible wear, and the dust jacket ...
ISBN
9789819997374
Book Title
Korteweg-De Vries Flows with General Initial Conditions
Book Series
Mathematical Physics Studies
Publisher
Springer
Item Length
9.3 in
Publication Year
2024
Format
Hardcover
Language
English
Illustrator
Yes
Author
Shinichi Kotani
Genre
Science, Mathematics
Topic
Functional Analysis, Probability & Statistics / General, Physics / Mathematical & Computational
Item Width
6.1 in
Number of Pages
X, 162 Pages

About this product

Product Information

Large numbers of studies of the KdV equation have appeared since the pioneering paper by Gardner, Greene, Kruskal, and Miura in 1967. Most of those works have employed the inverse spectral method for 1D Schrödinger operators or an advanced Fourier analysis. Although algebraic approaches have been discovered by Hirota-Sato and Marchenko independently, those have not been fully investigated and analyzed. The present book offers a new approach to the study of the KdV equation, which treats decaying initial data and oscillating data in a unified manner. The author's method is to represent the tau functions introduced by Hirota-Sato and developed by Segal-Wilson later in terms of the Weyl-Titchmarsh functions (WT functions, in short) for the underlying Schrödinger operators. The main result is stated by a class of WT functions satisfying some of the asymptotic behavior along a curve approaching the spectrum of the Schrödinger operators at + in an order of -( n -1/2)for the n th KdV equation. This class contains many oscillating potentials (initial data) as well as decaying ones. Especially bounded smooth ergodic potentials are included, and under certain conditions on the potentials, the associated Schrödinger operators have dense point spectrum. This provides a mathematical foundation for the study of the soliton turbulence problem initiated by Zakharov, which was the author's motivation for extending the class of initial data in this book. A large class of almost periodic potentials is also included in these ergodic potentials. P. Deift has conjectured that any solutions to the KdV equation starting from nearly periodic initial data are almost periodic in time. Therefore, our result yields a foundation for this conjecture. For the reader's benefit, the author has included here (1) a basic knowledge of direct and inverse spectral problem for 1D Schrödinger operators, including the notion of the WT functions; (2)Sato's Grassmann manifold method revised by Segal-Wilson; and (3) basic results of ergodic Schrödinger operators.

Product Identifiers

Publisher
Springer
ISBN-10
9819997372
ISBN-13
9789819997374
eBay Product ID (ePID)
28064422765

Product Key Features

Book Title
Korteweg-De Vries Flows with General Initial Conditions
Number of Pages
X, 162 Pages
Language
English
Publication Year
2024
Topic
Functional Analysis, Probability & Statistics / General, Physics / Mathematical & Computational
Illustrator
Yes
Genre
Science, Mathematics
Author
Shinichi Kotani
Book Series
Mathematical Physics Studies
Format
Hardcover

Dimensions

Item Length
9.3 in
Item Width
6.1 in

Additional Product Features

Number of Volumes
1 Vol.
Lc Classification Number
Qc19.2-20.85
Table of Content
Introduction.- Sato's Theory.- KdV Flow I: Reflectionless Case.- KdV Flow II: Extension.- Applications.- Further Topics.- Appendix.
Copyright Date
2024

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