Coincidence points for single and set valued maps are discussed in this paper. We show if F is essential and F ≅ G then G has a coincidence point.
Cite this article
Ravi P. Agarwal, Donal O'Regan, Coincidence Points for Perturbations of Linear Fredholm Maps of Index Zero. Publ. Res. Inst. Math. Sci. 35 (1999), no. 5, pp. 725–736DOI 10.2977/PRIMS/1195143420