Abstract:
For an inhomogeneous equation of mixed elliptic-hyperbolic type of higher order we establish sign-definiteness of a solution depending on the sign of the right-side side.
Keywords:
mixed type equation, high order, maximum principle, positivity of solution.
Citation:
K. B. Sabitov, “On positiveness of a solution to inhomogeneous mixed type equation of higher order”, Izv. Vyssh. Uchebn. Zaved. Mat., 2016, no. 3, 65–71; Russian Math. (Iz. VUZ), 60:3 (2016), 56–62