TY - JOUR T1 - Some Results on Topical Functions and Upward Sets AU - H. Hosni , AU - M. R. Haddai , AU - Mazaheri , H. JO - Analysis in Theory and Applications VL - 4 SP - 301 EP - 308 PY - 2011 DA - 2011/11 SN - 27 DO - http://doi.org/10.1007/s10496-011-0301-6 UR - https://global-sci.org/intro/article_detail/ata/4602.html KW - topical function, upward set, ordered Banach space. AB -

The purpose of this paper is to introduce and discuss the concept of topical functions on upward sets. We give characterizations of topical functions in terms of upward sets.