We give a bound for the number of coincidence of two morphisms between given compact Riemann surfaces (complete complex algebraic curves). Our results generalize well known facts about the number of fixed points of an automorphism.
@article{urn:eudml:doc:41537, title = {On the number of coincidences of morphisms between closed Riemann surfaces.}, journal = {Publicacions Matem\`atiques}, volume = {37}, year = {1993}, pages = {339-353}, mrnumber = {MR1249236}, zbl = {0803.30030}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:41537} }
Fuertes, Yolanda; González-Díez, Gabino. On the number of coincidences of morphisms between closed Riemann surfaces.. Publicacions Matemàtiques, Tome 37 (1993) pp. 339-353. http://gdmltest.u-ga.fr/item/urn:eudml:doc:41537/