Nonlinear eigenvalue problems and the existence of nonzero fixed points for A-proper mappings. (English) Zbl 0443.47060
Theory of nonlinear operators, Proc. 5th int. Summer Sch., Berlin 1977, Abh. Akad. Wiss. DDR 1978, No. 6N, 215-227 (1978).
MSC:
47J10 | Nonlinear spectral theory, nonlinear eigenvalue problems |