%0 Journal Article
%T First Note on the Definition of S2-Convexity
%A Pinheiro Marcia
%J Advances in Pure Mathematics
%P 1-2
%@ 2160-0384
%D 2011
%I Scientific Research Publishing
%R 10.4236/apm.2011.11001
%X In this short, but fundamental, note, we start progressing towards a mathematically sound definition of the real functional classes 2sK
%K Convex
%K S-convex
%K s-convex
%K s2-convex
%K S2-Convex
%K Real Function
%U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=3739