We consider the functional equation f(z+σ) - f(z) = g(z) where σ is a complex number, f and g are entire functions of a complex variable z, with growth conditions. We prove the existence of certain types of solutions of this equation by an a priori estimate method in certain weighted L2-spaces.
@article{urn:eudml:doc:41486, title = {Sums of an entire function in certain weighted L2-spaces.}, journal = {Publicacions Matem\`atiques}, volume = {47}, year = {2003}, pages = {211-236}, zbl = {1038.30012}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:41486} }
Brive, Bruno. Sums of an entire function in certain weighted L2-spaces.. Publicacions Matemàtiques, Tome 47 (2003) pp. 211-236. http://gdmltest.u-ga.fr/item/urn:eudml:doc:41486/