%0 Journal Article
%T On Upper and Lower -Continuous Multifunctions
%A Chawalit Boonpok
%J International Journal of Mathematics and Mathematical Sciences
%D 2012
%I Hindawi Publishing Corporation
%R 10.1155/2012/931656
%X A new class of multifunctions, called upper (lower) (,)-continuous multifunctions, has been defined and studied. Some characterizations and several properties concerning upper (lower) (,)-continuous multifunctions are obtained. The relationships between upper (lower) (,)-continuous multifunctions and some known concepts are also discussed.
%U http://www.hindawi.com/journals/ijmms/2012/931656/