Boundary Value Problems
Volume 2009 (2009), Article ID 135730, 14 pages
doi:10.1155/2009/135730

Regularity of the solution of the first initial-boundary value problem for hyperbolic equations in domains with cuspidal points on boundary

Nguyen Manh Hung1 and Vu Trong Luong2

1Department of Mathematics, Hanoi National University of Education, Hanoi 4384, Vietnam
2Department of Mathematics, Taybac University, Sonla city, Sonla 22384, Vietnam

Abstract

The goal of this paper is to establish the regularity of the solution of the first initial-boundary value problem for general higher-order hyperbolic equations in cylinders with the bases containing cuspidal points.