MMA2009 P.Code=OrloP ===============------------------------------ First Name =Pavels Last Name =Orlovs Title = Institution =University of Latvia, Department of Mathematics Street Address =Zellu street 8 City =Riga State =Latvia Zip Code =LV-1002 Telephone =+3717033726 FAX =+3717033701 E-mail =pavels.orlovs@gmail.com URL = Title of talk and AMS Subject Classification=Aggregation operators and t-norm based operations with L-fuzzy real numbers