Willem, Michel
[UCL]
This work is devoted to the solvability of equations of the form /b Lu/+/b Nu/=0 in a real Hilbert space /b H/. The kernel, Ker /b L/, of the linear operator /b L/: /b D/(/b L/) sub /b H / rarr /b H/ may be infinite dimensional and the range of /b L/, /b R/(/b L/), is such that /b R/(/b L/)=Ker /b L //sup perp /.
Bibliographic reference |
Willem, Michel. Topology and semilinear equations at resonance in Hilbert space. In: Nonlinear Analysis: Theory, Methods & Applications, Vol. 5, no. 5, p. 517-524 (1981) |
Permanent URL |
http://hdl.handle.net/2078.1/66502 |