Epsilon

Description

Epsilon is (n-4), where n is the space-time dimension. Epsilon stands for a small positive number.

See also:  Series2.

Examples

Epsilon

Epsilon has no functional properties, but some upvalues are changed:

{Re[Epsilon]  >  -4, Re[Epsilon]  >  -3, 
      Re[Epsilon]  >  -2, Re[Epsilon]  >  -1, 
      Re[Epsilon]  >  0}