decay estimates;
fractional integrals;
representation of solution;
D O I:
10.1080/03605300600718586
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
We consider the wave equation in an unbounded conical domain, with initial conditions and boundary conditions of Dirichlet or Neumann type. We give a uniform decay estimate of the solution in terms of weighted Sobolev norms of the initial data. The decay rate is the same as in the full space case.
机构:
Univ Biskra, Lab Math Anal Probabil & Optimizat, POB 145, Biskra 07000, AlgeriaUniv Biskra, Lab Math Anal Probabil & Optimizat, POB 145, Biskra 07000, Algeria
机构:
Charles Univ Prague, Dept Math Anal, Fac Math & Phys, Sokolovska 83, Prague 18675 8, Czech RepublicCharles Univ Prague, Dept Math Anal, Fac Math & Phys, Sokolovska 83, Prague 18675 8, Czech Republic