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Estimates of eigenvalues of a compact Riemannian manifold. (English) Zbl 0441.58014
Geometry of the Laplace operator, Honolulu/Hawaii 1979, Proc. Symp. Pure Math. 36, 205-239 (1980).

58J50 Spectral problems; spectral geometry; scattering theory on manifolds
35P15 Estimates of eigenvalues in context of PDEs
58C40 Spectral theory; eigenvalue problems on manifolds
53C20 Global Riemannian geometry, including pinching