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arXiv 1602.04597math.DG
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Eigenvalues under the Ricci flow of model geometries

Songbo Hou

英文摘要:

In this paper, we study the evolving behaviors of the first eigenvalue of Laplace-Beltrami operator under the normalized Ricci flow of model geometries. In every Bianchi class, we estimate the derivative of the eigenvalue. Then we construct monotonic quantities under the Ricci flow and obtain upper and lower bounds for the eigenvalue.

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