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Siavash Mirshams Shahshahani
Siavash Mirshams Shahshahani
	Siavash Mirshams Shahshahani in 2004
Born	Siavash Mirshams Shahshahani; 31 May 1942 (age 82); Iran
Nationality	Iranian
Alma mater	University of California, Berkeley;
Awards	Lasting Figures (2003)
	Scientific career
Fields	Geometry; Topology; Differentiable manifold;
Institutions	Sharif University of Technology; University of Michigan; University of Wisconsin–Madison; Northwestern University; Institute for Research in Fundamental Sciences;
Thesis	Global Theory of Second Order Ordinary Differential Equations on Manifolds (1969)
Doctoral advisor	Stephen Smale;
Website	sharif.ir/~shahshah/

Siavash Mirshams Shahshahani (Persian: سیاوش میرشمس شهشهانی) (born 1942) is an Iranian mathematician. He is a professor of mathematics and head of Mathematical Sciences Department at Sharif University of Technology. He headed up the IRNIC registry for the .ir ccTLD until his retirement from that position in late 2008. He has also served as a director of APTLD (the Asia Pacific Top Level Domain Association) between 2007 and his retirement from that position in February 2009.

Education

Shahshahani completed his PhD under the supervision of Stephen Smale at the University of California at Berkeley in 1969. He has since devoted a substantial part of his career to mathematical education.