Since he was asked by a variety of people for his thoughts about the workshop, Brian wrote the following summary. He hopes that a non-specialist may also learn something from these notes concerning the present situation. Forthcoming articles in Nature and Quanta on the workshop will be addressed at the general public. This writeup has the following structure:
Background
What has delayed wider understanding of the ideas?
What is Inter-universal Teichmuller Theory (IUTT = IUT)?
Notes on the Oxford IUT workshop by Brian Conrad
What’s your credence that Mochizuki’s proof will turn out to be correct?