At least someone has their priorities straight. It is true that we do not need Istredd's permission. What Istredd does not know will not hurt him.

So the relation between the concepts of space and time is that time can be treated as an additional dimensional axis? Are there additional dimensions?

Yes, I came to that conclusion when we attempted to unravel Fodlan's situations - the iterative exponentiation quickly became large enough to be unwieldy.