Search and Browse the MSC 2000

81-XX Quantum theory → ZMATH

81Qxx General mathematical topics and methods in quantum theory → ZMATH

81Q05 Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other quantum-mechanical equations → ZMATH

81Q10 Selfadjoint operator theory in quantum theory, including spectral analysis → ZMATH

81Q15 Perturbation theories for operators and differential equations → ZMATH

81Q20 Semiclassical techniques including WKB and Maslov methods → ZMATH

81Q30 Feynman integrals and graphs; applications of algebraic topology and algebraic geometry [See also 14D05, 32S40] → ZMATH

81Q40 Bethe-Salpeter and other integral equations → ZMATH

81Q50 Quantum chaos [See also 37Dxx] → ZMATH

81Q60 Supersymmetric quantum mechanics → ZMATH

81Q70 Differential-geometric methods, including holonomy, Berry and Hannay phases, etc. → ZMATH

81Q99 None of the above, but in this section → ZMATH