The paper contains various results concerning the so-called homogeneity sets for convex functions defined on convex subsets of some special metric spaces named G-space (cf. H. Busemann [1]). A closed graph theorem for such type mappings is also presented.
@article{urn:eudml:doc:39281, title = {On some aspects of Jensen-Menger convexity.}, journal = {Stochastica}, volume = {13}, year = {1992}, pages = {43-60}, zbl = {0806.46011}, mrnumber = {MR1197327}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:39281} }
Ger, Joanna; Ger, Roman. On some aspects of Jensen-Menger convexity.. Stochastica, Tome 13 (1992) pp. 43-60. http://gdmltest.u-ga.fr/item/urn:eudml:doc:39281/