What do we know or speculate as to the size of the visible and entire universe between the Planck time and the beginning of explosive inflation?
Some parts you will be able to get the idea, some parts will seem opaque and impossible---too technical. As long as you think it can help, ask questions about the paper here---I don't understand as much as some of the others but I can try, and others may try, to answer.
... 2 questions;
1 There was no discussion of entropy pre/post bounce. Any comment on this?
2 How has the paper been received by both bounce and non-bounce mavens?