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35-XX - Partial differential equations [MSC 2020] |
35S05 - Pseudodifferential operators as generalizations of partial differential operators [MSC 2020] |
35L60 - First-order nonlinear hyperbolic equations [MSC 2020] |
35A27 - Microlocal methods and methods of sheaf theory and homological algebra applied to PDEs [MSC 2020] |
35S50 - Paradifferential operators as generalizations of partial differential operators in context of PDEs [MSC 2020] |
35L40 - First-order hyperbolic systems [MSC 2020] |
35A20 - Analyticity in context of PDEs [MSC 2020] |