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Geodesic Beams in Eigenfunction Analysis [electronic resource] / by Yaiza Canzani, Jeffrey Galkowski.

By: Canzani, Yaiza [author.].
Contributor(s): Galkowski, Jeffrey [author.] | SpringerLink (Online service).
Material type: materialTypeLabelBookSeries: Synthesis Lectures on Mathematics & Statistics: Publisher: Cham : Springer International Publishing : Imprint: Springer, 2023Edition: 1st ed. 2023.Description: X, 116 p. 19 illus., 6 illus. in color. online resource.Content type: text Media type: computer Carrier type: online resourceISBN: 9783031315862.Subject(s): Mathematical physics | Quantum physics | Nuclear physics | Mathematics | Mathematical Methods in Physics | Quantum Physics | Nuclear and Particle Physics | Mathematical Physics | MathematicsAdditional physical formats: Printed edition:: No title; Printed edition:: No title; Printed edition:: No titleDDC classification: 530.15 Online resources: Click here to access online
Contents:
Introduction -- The Laplace operator -- Axiomatic introduction to semiclassical analysis -- Basic properties of eigenfunctions and eigenvalues -- The Koch-Tataru-Zworski approach to L∞ estimates -- Geodesic Beam Tools -- Applications of the geodesic beam decomposition -- Dynamical ideas.
In: Springer Nature eBookSummary: This book discusses the modern theory of Laplace eigenfunctions through the lens of a new tool called geodesic beams. The authors provide a brief introduction to the theory of Laplace eigenfunctions followed by an accessible treatment of geodesic beams and their applications to sup norm estimates, L^p estimates, averages, and Weyl laws. Geodesic beams have proven to be a valuable tool in the study of Laplace eigenfunctions, but their treatment is currently spread through a variety of rather technical papers. The authors present a treatment of these tools that is accessible to a wider audience of mathematicians. Readers will gain an introduction to geodesic beams and the modern theory of Laplace eigenfunctions, which will enable them to understand the cutting edge aspects of this theory. This book: Reviews several physical phenomena related to Laplace eigenfunctions, ranging from the propagation of waves to the location of quantum particles; Introduces the cutting edge theory and microlocal methods of geodesic beams; Discusses how eigenfunctions of the Laplacian play a crucial role both in physics and mathematics.
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Introduction -- The Laplace operator -- Axiomatic introduction to semiclassical analysis -- Basic properties of eigenfunctions and eigenvalues -- The Koch-Tataru-Zworski approach to L∞ estimates -- Geodesic Beam Tools -- Applications of the geodesic beam decomposition -- Dynamical ideas.

This book discusses the modern theory of Laplace eigenfunctions through the lens of a new tool called geodesic beams. The authors provide a brief introduction to the theory of Laplace eigenfunctions followed by an accessible treatment of geodesic beams and their applications to sup norm estimates, L^p estimates, averages, and Weyl laws. Geodesic beams have proven to be a valuable tool in the study of Laplace eigenfunctions, but their treatment is currently spread through a variety of rather technical papers. The authors present a treatment of these tools that is accessible to a wider audience of mathematicians. Readers will gain an introduction to geodesic beams and the modern theory of Laplace eigenfunctions, which will enable them to understand the cutting edge aspects of this theory. This book: Reviews several physical phenomena related to Laplace eigenfunctions, ranging from the propagation of waves to the location of quantum particles; Introduces the cutting edge theory and microlocal methods of geodesic beams; Discusses how eigenfunctions of the Laplacian play a crucial role both in physics and mathematics.

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