Το work with title The first eigenvalue of pLaplaciansystems with nonlinear boundary conditions by Kandylakis Dimitrios, Magiropoulos M., Zographopoulos N.B is licensed under Creative Commons Attribution 4.0 International
Bibliographic Citation
D.A. Kandilakis, M. Magiropoulos - N.B. Zografopoulos, "The first eigenvalue of pLaplacian systems with nonlinear boundary conditions," Boundary Value Problems, pp. 307-322, 2005.
We study the properties of the positive principal eigenvalue and the correspondingeigenspaces of two quasilinear elliptic systems under nonlinear boundary conditions. Weprove that this eigenvalue is simple, unique up to positive eigenfunctions for both systems,and isolated for one of them