Micro-hyperbolic pseudo-differential operators. I. (English) Zbl 0305.35066


35L30 Initial value problems for higher-order hyperbolic equations
35S10 Initial value problems for PDEs with pseudodifferential operators
35G10 Initial value problems for linear higher-order PDEs
35G99 General higher-order partial differential equations and systems of higher-order partial differential equations
65H10 Numerical computation of solutions to systems of equations
46F15 Hyperfunctions, analytic functionals
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