The laws of physics imply that the passage of time is an illusion. To avoid this conclusion, we might have to rethink the reality of infinitely precise numbers. Strangely, although we feel as if we ...
Journal of Operator Theory, Vol. 55, No. 2 (Spring 2006), pp. 295-310 (16 pages) We consider a condition for non-degenerate commuting squares of matrix algebras (finite dimensional von Neumann ...