Re math: Almost every number between zero and one, randomly chosen by coin flipping, will at some point contain the binary encoding of the Library of Congress. That’s why infinity is a concept in math but not in the real world. Note: You should ask, how do we come to have concepts that are not part of the real world?
Scientific American: ” At 44 pages of dense, technical mathematics, even leading mathematical minds need time to wrap their heads around the paper. The community, however, seems optimistic. “