Ferreira, O.; Iusem, A.; Németh, S. - In: TOP: An Official Journal of the Spanish Society of … 22 (2014) 3, pp. 1148-1170
In this paper some concepts and techniques of Mathematical Programming are extended in an intrinsic way from the Euclidean space to the sphere. In particular, the notion of convex functions, variational problem and monotone vector fields are extended to the sphere and several characterizations...