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35-XX - Partial differential equations [MSC 2020] |
35S05 - Pseudodifferential operators as generalizations of partial differential operators [MSC 2020] |
35K05 - Heat equation [MSC 2020] |
34-XX - Ordinary differential equations [MSC 2020] |
35L70 - Second-order hyperbolic equations [MSC 2020] |
11S40 - Zeta functions and $L$-functions [MSC 2020] |
35S30 - Fourier integral operators applied to PDEs [MSC 2020] |
35A08 - Fundamental solutions to PDEs [MSC 2020] |
35L10 - Second-order hyperbolic equations [MSC 2020] |
35A17 - Parametrices in context of PDEs [MSC 2020] |