A criterion for the strong solvability of the Neumann-Tricomi problem for the Lavrent’ev-Bitsadze equation in L_p

Subject Local and nonlocal boundary value problems for partial differential equations
Title A criterion for the strong solvability of the Neumann-Tricomi problem for the Lavrent’ev-Bitsadze equation in L_p
Author(s) Makhmud Sadybekov, Nurgissa Yessirkegenov
Keywords Neumann-Tricomi problem, Lavrent’ev-Bitsadze equation, strong solution.
Abstract In this paper we prove a criterion for the strong solvability of the Neumann-Tricomi problem in L_p(1≤p<∞). The criterion is defined in terms of the angle at which an elliptic part of boundary of the region to the changing type line.