Weak uninorm aggregation operators
By weakening the identity condition of uninorm, a general class of associative aggregation operators called weak uninorm is introduced. It is proved that continuous weak uninorms are the combination of continuous t-norm and continuous t-conorm through a median operator. The representation theorem for:Archimedean weak uninorm is also given. Finally, the counting number of the identity elements of weak uninorm is also investigated. (C) 2000 Elsevier Science Inc. All rights reserved.
weak uninorm uninorm aggregation operator fuzzy systems