Modelling gods mathematically.

[Senshi]

I tend to think that the Mandelbrot set or the Fibonacci sequence existed prior Benoit Mandelbrot or Leonardo of Pisa. But the debate on whether math is invented or discovered is really just a distraction that takes us away from the real question.

That's pure Platonism and it is absurd. And it is quite important to the discussion.

Can, in principle, a mathematical model of a brain capable of simulating a universe such as ours be created?

I don't see why it can't.

Of course it can be created. Not discovered - created.

We must be careful here, some things are purely qualitative not quantitative. Things such as free will, self awareness and emotions are very difficult if not impossible to evaluate or describe mathematically, at least we haven't gotten there yet. And we can't ignore them either because they do exist in the universe.