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81Qxx - General mathematical topics and methods in quantum theory
| 81Q05 |
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Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other quantum-mechanical equations |
| 81Q10 |
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Selfadjoint operator theory in quantum theory, including spectral analysis |
| 81Q15 |
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Perturbation theories for operators and differential equations |
| 81Q20 |
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Semiclassical techniques including WKB and Maslov methods |
| 81Q30 |
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Feynman integrals and graphs; applications of algebraic topology and algebraic geometry |
| 81Q40 |
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Bethe-Salpeter and other integral equations |
| 81Q50 |
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Quantum chaos |
| 81Q60 |
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Supersymmetric quantum mechanics |
| 81Q70 |
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Differential-geometric methods, including holonomy, Berry and Hannay phases, etc. |
| 81Q99 |
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Miscellaneous |
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