Several new results in the field of aggregation operators are recalled. Most of them were or will be presented at 24th Linz Seminar, AGOP’2003, IFSA’2003 and EUSFLAT’2003. ...
We propose a general semantic notion of modal many-valued logic. Then, we explore the difficulties to characterize this notation in a syntactic way and analyze the existing litera...
Double aggregation operators are introduced and several basic properties are studied, as neutral and annihilator elements, idempotency, etc., which are illustrated by some example...