Search and Browse the MSC 2000

35-XX Partial differential equations → ZMATH

35Pxx Spectral theory and eigenvalue problems for partial differential operators [See also 47Axx, 47Bxx, 47F05] → ZMATH

35P05 General spectral theory of PDE → ZMATH

35P10 Completeness of eigenfunctions, eigenfunction expansions for PDO → ZMATH

35P15 Estimation of eigenvalues, upper and lower bounds → ZMATH

35P20 Asymptotic distribution of eigenvalues and eigenfunctions for PDO → ZMATH

35P25 Scattering theory for PDE [See also 47A40] → ZMATH

35P30 Nonlinear eigenvalue problems, nonlinear spectral theory for PDO → ZMATH

35P99 None of the above, but in this section → ZMATH