# Spectral geometry of the Laplacian : spectral analysis and differential geometry of the Laplacian / Hajime Urakawa.

Material type: TextPublication details: Singapore : World Scientific, 2017.Description: xii, 297 pages : illustrations ; 24 cmISBN:- 9789813109087 (hardcover : alk. paper)

- 516.362 23 Ur72

Item type | Current library | Call number | Status | Date due | Barcode | Item holds | |
---|---|---|---|---|---|---|---|

Books | ISI Library, Kolkata | 516.362 Ur72 (Browse shelf(Opens below)) | Available | 138349 |

Includes bibliographical references and index.

1. Fundamental materials of Riemannian geometry --

2. The space of Riemannian metrics, and continuity of the Eigenvalues --

3. Cheeger and Yau estimates on the minimum positive Eigenvalue --

4. The estimations of the kth Eigenvalue and Lichnerowicz-Obata's theorem --

5. The Payne, Pólya and Weinberger type inequalities for the Dirichlet Eigenvalues --

6. The heat equation and the set of lengths of closed geodesics --

7. Negative curvature manifolds and the spectral rigidity theorem.

The totality of the eigenvalues of the Laplacian of a compact Riemannian manifold is called the spectrum. We describe how the spectrum determines a Riemannian manifold. The continuity of the eigenvalue of the Laplacian, Cheeger and Yau's estimate of the first eigenvalue, the Lichnerowicz-Obata's theorem on the first eigenvalue, the Cheng's estimates of the kth eigenvalues, and Payne-Pólya-Weinberger's inequality of the Dirichlet eigenvalue of the Laplacian are also described. Then, the theorem of Colin de Verdier, that is, the spectrum determines the totality of all the lengths of closed geodesics is described. We give the V Guillemin and D Kazhdan's theorem which determines the Riemannian manifold of negative curvature.

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