As befits a major branch of science, there are many international mathematical societies. A few are listed below:

Association for Automated Reasoning

Institutt for informatikk

Postboks 1080 Blindern

N-0316 Oslo

Norway

E-mail: secretary@aarinc.org

Website: http://www.aarinc.org/

Canadian Mathematical Society

577 King Edward, Suite 109

Ottawa, ON

Canada K1N 6N5

Phone: 613-562-5702

Fax: 613-565-1539

E-mail: office@cms.math.ca

Website: http://www.cms.math.ca

The European Mathematical Society (EMS)

Contact: Professor Dr. Bernd Wegner

Editor-in-Chief of Zentralblatt MATH

Zentralblatt MATH / FIZ Karlsruhe

Franklinstr. 11

D-10587 Berlin

Germany

E-mail: zblwegner@netscape.net

Website: http://www.emis.de/

London Mathematical Society

De Morgan House

57-58 Russell Square

London WC1B 4HS

England

Phone 020 7637 3686

Fax: 020 7323 3655

E-mail: lms@lms.ac.uk

Website: http://www.lms.ac.uk

The New Zealand Mathematical Society

c/o Dr. Alex James (NZMS Secretary)

Department of Mathematics and Statistics

University of Canterbury

Private Bag 4800

Christchurch 8140

New Zealand

E-mail: a.james@math.canterbury.ac.nz

Website: http://www.math.waikato.ac.nz/NZMS/NZMS.html

St. Petersburg Mathematical Society

Fontanka 27,

St. Petersburg, 191023,

Russia

Phones: 7 (812) 312 8829, 312 4058

Fax: 7 (812) 310 5377

E-mail: see website

Website: http://www.mathsoc.spb.ru/index-e.html