Abstract
The theory of increasing and convex along rays (ICAR) functions, defined on a convex cone in a locally convex topological vector space X, is well developed. In this article, we present a suitable extension of this theory for ICAR functions, defined on the whole of the space X. We also study the class of decreasing and convex along rays functions (DCAR).
2000 AMS Mathematics Subject Classifications:
Acknowledgement
We thank the referee for his comments which improved the presentation of this article significantly.