1. Fixed point equations and nonlinear eigenvalue problems in ordered Banach spaces;Amann;SIAM Rev.,1976
2. S-shaped bifurcation curves;Brown;Nonlinear Anal.,1981
3. Existence results for classes of sublinear semipositone problems;Castro;Results Math.,1993
4. Existence and multiplicity results for a semilinear elliptic eigenvalue problem;Clément;Ann. Sc. Norm. Super. Pisa Cl. Sci.,1987
5. J.T. Cronin, J. Goddard II, R. Shivaji, Effects of patch matrix and individual movement response on population persistence at the patch-level, Preprint.