Band asymptotics in two dimensions
DOI10.1016/0001-8708(81)90042-6zbMath0478.58029OpenAlexW2035370714MaRDI QIDQ1161191
Publication date: 1981
Published in: Advances in Mathematics (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1016/0001-8708(81)90042-6
spectral asymptoticsaveraging lemmaband asymptoticsband invariantfunctional operations in the ring of pseudodifferential operatorsmeasures on the bands of spectral valuesMorse lemma for volume preserving mapsperturbing the Laplace-Beltrami operator on the 2-sphere or the projective plane by zero order selfadjoint pseudodifferential operators
Pseudodifferential operators as generalizations of partial differential operators (35S05) Estimates of eigenvalues in context of PDEs (35P15) Spectral problems; spectral geometry; scattering theory on manifolds (58J50) Asymptotic distributions of eigenvalues in context of PDEs (35P20) Pseudodifferential and Fourier integral operators on manifolds (58J40) Global Riemannian geometry, including pinching (53C20) Spectral theory; eigenvalue problems on manifolds (58C40)
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