Subject:
Date: Wed, 08 May 2002 11:37:26 +0400 (IRST)
From: rezazadegan@math.sharif.edu
To: dmd1@lehigh.edu

Dear Don Davis

I wish to know how the Spin group was created? and its motivation have been
physical considerations or algebraic or topological considrations?And what is
it's relation to physical concept of spin?

Sincerely yours
Reza Rezazadegan
Sharif University of Technology