According to Roger Penrose Singularity is a point which has nothing except position. i.e acc. to Rene Des'cartes' defination of a point. Big bang assumes that at time t=0 universe was in a form of point which is singularity. At singularity all fundamental mathematical or physical laws breakdown. As all laws breakdown, under certain conditions it can be shown that 1=0. This can be considered as Singularity equation as this can explain how a point with no mass can infinite density without ...
As i am highly attracted towards this science- cosmology, science of universe- would like to study on this topic.