As complexity rises, precise statements lose meaning
and meaningful statements lose precision.

About Us

The International Fuzzy Systems Association (IFSA) is a worldwide organization dedicated to the support, development and promotion of the fundamental issues of fuzzy theory related to (a) sets, (b) logics, (c) relations, (d) natural languages, (e) concept formation, (f) linguistic modeling, (g) vagueness, (h) information granularity, etc. and their applications to (1) systems modeling, (2) system analysis, (3) diagnosis, (4) prediction and (5) control in decision support systems in management and administration of human organizations as well as electro-mechanical systems in manufacturing and process industries. IFSA organizes and encourages participation in open discussion session on the future directions and restructuring of fuzzy theory in IFSA World Congresses. The offical journal of IFSA, published by Elsevier, is the International Journal of Fuzzy Sets and Systems. Furthermore, IFSA sponsors workshops and conferences on fuzzy theory.
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IFSA Members

Membership

Follow the above link to find out how a society can become an IFSA member.


The following societies are members of IFSA

SOFT
(Japan Society for Fuzzy Theory and Intelligent Informatics, Japan)

KIIS
(Korean Institute of Intelligent Systems, Korea)

TFSA
(Taiwan Fuzzy Systems Association, Taiwan)

EUSFLAT
(European Society for Fuzzy Logic and Technology)

NSAIS
(North European Society of Adaptive and Intelligent Systems, Findland)

HFA
(Hungarian Fuzzy Association, Hungary)

SIGEF
(International Association for Fuzzy Set Management and Economy, Spain)

RAFSSoftCom
(Russian Association for Fuzzy Systems and Soft Computing, Russia)

FMSAC
(Fuzzy Mathematics and Systems Association of China, China)

SC-INA
(Indonesian Soft Computing Society, Indonesia)

FSAT
(Fuzzy Systems Association of Turkey, Turkey)

ICSC
(Iranian Coalition on Soft Computing (ISSSI and IFSS), Iran)

VFSS
(Fuzzy Systems Society, Vietnam)

NAFIPS
(North American Fuzzy Informaiton Processing Society)

HAFSA
(Hispanic-American Fuzzy System Association, Maxico)

SBA
(Brazilian Society of Automatics, Brazil)

...to come ...

fellows

Recognized for their contributions to the fuzzy sets and systems community are the following IFSA Fellows:

Rafik Aliev

Joint MBA Program, USA

Kiyoji Asai

Prof. Emeritus of Osaka Prefecture University, Japan

Krassimir Atanassov

Bulgarian Academy of Sciences, Bulgaria

James Baldwin

University of Bristol, UK

James C. Bezdek

University of West Florida, USA

Zeungnam Bien

(deceased)

Piero Bonissone

General Electric Co., USA

Gloria Bordogna

Italian National Research Council, Italy

Patrick Bosc

Universite de Rennes I, France

Bernadette Bouchon-Meunier

Universite Pierre et Marie Curie, France

Humberto Bustince

Public University of Navarra, Spain

Christer Carlsson

Abo Akademi University, Finland

Oscar Castillo

Tijuana Institute of Technology, Tijuana, Mexico

Guoqing Chen

Sch. of Econ. & Manage., Tsinghua University, Beijing, China

Shyi-Ming Chen

National Taiwan University of Science and Technology, Taiwan

Bernard De Baets

Ghent University, Belgium

Miguel Delgado

University of Granada, Spain

Antonio Di Nola

Universita degli Studi di Salerno, Italy

Didier Dubois

Universite Paul Sabatier, Toulouse, France

Francesc Esteva

Technical University of Catalonia, Spain

Dimitar Filev

Ford Motor Company, USA

Janos Fodor

(deceased)

Maria Angeles Gil

University of Oviedo, Spain

Lluis Godo

Research Artificial Intelligence Research Institute (IIIA), Spain

Joseph Goguen

(deceased)

Fernando Gomide

University of Campinas, Brazil

Siegfried Gottwald

University Leipzig, Germany

Michel Grabisch

University Panthon-Sorbonne, Paris

Madan Gupta

University of Saskatchewan, Canada

Petr Hajek

(deceased)

Francisco Herrera

Full University of Granada, Spain

Kaoru Hirota

Tokyo Institute of Technology, Japan

Ulrich Hohle

University of Wuppertal, Germany

Janus Kacprzyk

Systems Research Institute, Polish Academy of Sciences, Poland

Abe Kandel

University of South Florida, USA

James Keller

Curators' University of Missouri, USA

Etienne E. Kerre

University of Ghent, Belgium

Erich Peter Klement

University of Linz, Austria

George Klir

(deceased)

Laszlo Koczy

Budapest University of Technology and Economics, Hungary

Bart Kosko

University of Southern California, USA

Donald Kraft

Colorado Technical University, USA

Vladik Kreinovich

University of Texas at El Paso, USA

Rudolf Kruse

Otto-von-Guericke-University of Magdeburg, Germany

Chin-Teng Lin

Chair National Chiao Tung University, Taiwan

Yingming Liu

Sichuan University, China

Jie Lu

University of Technology Sydney, Australia

Luis Magdalena

European Centre for Soft Computing, Spain

Ebrahim H. Mamdani

(deceased)

Jerry Mendel

University of Southern California, USA

Radko Mesiar

Slovak University of Technology Bratislava, Slovakia

Sadaaki Miyamoto

University of Tsukuba, Japan

Masaharu Mizumoto

(deceased)

Javier Montero

Complutense University of Madrid, Spain

Masao Mukaidono

Meiji University, Japan

Toshiaki Murofushi

Tokyo Institute of Technology, Japan

Constantin V. Negoita

The City University of New York, USA

Hung T. Nguyen

New Mexico State University, USA

Vilem Novak

University of Ostrava, Czech Republic

Sergei Ovchinnikov

San Francisco State University, USA

Nikhil Pal

Indian Statistical Institute, India

Sankar K. Pal

Indian Statistical Institute, Calcutta, India

Witold Pedrycz

University of Alberta, Canada

Fred Petry

Tulane University, USA

Henri Prade

Universite Paul Sabatier, Toulouse, France

Dan Ralescu

University of Cincinnati, USA

Imre Rudas

Obuda University, Hungary

Enrique H. Ruspini

Artificial Intelligence Center, SRI International, Menlo Park, USA

Elie Sanchez

(deceased)

Michio Sugeno

Doshisha University, Japan

Tomohiro Takagi

Meiji University, Japan

Hideo Tanaka

(deceased)

Kazuo Tanaka

University of Electro-Communications, Tokyo, Japan

Toshiro Terano

(deceased)

Settimo Termini

University of Palermo, Italy

Enric Trillas

Technical University of Madrid, Spain

I. Burhan Turksen

University of Toronto, Canada

Motohide Umano

Osaka Prefecture University, Japan

Jose Luis Verdegay

University of Granada, Spain

Wen-June Wang

National Central University, Taiwan

Ronald R. Yager

Iona College, USA

Zeshui Xu

Sichuan University, China

Takeshi Yamakawa

Kyushu Institute of Technology, Japan

Lotfi A. Zadeh

(deceased)

Hans-Jurgen Zimmermann

RWTH Aachen, Germany

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