MMA2009 P.Code=GrigO ===============------------------------------ First Name =Olga Last Name =Grigorenko Title =Assistant Institution =Institute of Mathematics and Computer Science, University of Latvia Street Address =29 Raina Blvd. City =Riga State =Latvia Zip Code =LV - 1459 Telephone =+37129234989 FAX = E-mail =olga.grigorenko@parex.lv URL = Title of talk and AMS Subject Classification=Fuzzy POS category and aggregation of fuzzy order relations