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05Cxx - Graph theory [MSC 2020] |
11Fxx - Discontinuous groups and automorphic forms [MSC 2020] |
11Mxx - Zeta and L-functions: analitic theory [MSC 2020] |
30Fxx - Riemann surfaces [MSC 2020] |
35Pxx - Spectral theory and eigenvalue problems for partial differential equations [MSC 2020] |
35Q40 - PDEs in connection with quantum mechanics [MSC 2020] |
81Q50 - Quantum chaos [MSC 2020] |
81Qxx - General mathematical topics and methods in quantum theory [MSC 2020] |