The-black-hole-that-birthed-the-big-bang. Scientificamerican.
In the Q.FFF Theory, the Big Bang was the explosion and evaporation of the Big Crunch Black Hole of a former Universe. see:
https://www.scientificamerican.com/article/the-black-hole-that-birthed-the-big-bang/
For the expanding Black Hole, see: below: The Big Bang Tadpole Black Holes, leaving Tubelike Filaments Behind, including Overdensities of Galaxies , overlapping as the picture shows below. 
Boek : The Splitting Black Hole Big Bang into Star Clusters and Dual Spirals.
