Jan van Leyden
Adventurer
An anti-matter particle is still just a particle. It obeys normal physical laws of time and space. They aren't special, except insofar as they are rare around here.
A singularity is a place where Einsteinian Relativity has a mathematical singularity - where one divides by zero, and the laws of time and space have a snort of whiskey and do a nice little.
The two are, simply put, not alike, no matter what scale you're talking on.
Hey, are you trying to bring this fun thread back to seriousness?

BTW a singularity is nothing but a singular fact or event, you seem to be talking about gravitational singularities of Einstein's Theory of General Relativity or the Penrose-Hawking singularity theorem.
And if you describe the behaviour of a sample (volume) of He containing one atom of anti-He, you would notice a singular event caused by the annihilation of said anti-He and one He atom. Your thermodynamics equations don't have you prepared for this event, you wouldn't be able to describe it with this mathematical apparatus. The gamma radiation produced by this event and the resultant diminished mass are singularities - although not mathematical ones.
