Sorta, the string theory and multi verse theory one of the hypotheses' for the big bang is thus; Universe's space times (4dimensional universes) exist in parallel to each other and can be in states of flux depending on energy/matter concentration within the "blanket of space time" and when two universes (2 blankets of space time) bump up against each other they can in theory cause a big bang from the reaction caused by the energies and matter of two different universes touching (aka existing within the same point in that dimension). And that big bang creates a new universe (blanket of space time) within the dimension that universes lie in parallel with each other.