Critical exponents for semilinear equati
โ
Daniela Lupo; Kevin R. Payne
๐
Article
๐
2003
๐
John Wiley and Sons
๐
English
โ 222 KB
## Abstract For semilinear Gellerstedt equations with Tricomi, Goursat or Dirichlet boundary conditions we prove Pohozaev type identities and derive non existence results that exploit an invariance of the linear part with respect to certain nonhomogeneous dilations. A critical exponent phenomenon o