HN user
see http://www.claymath.org/events/iut-theory-shinichi-mochizuki and https://www.maths.nottingham.ac.uk/personal/ibf/files/symcor... for more information, including the 1st letter to its participants.
the mathematical advice contained in this comment is incorrect.
For correct information see e.g. http://www.claymath.org/events/iut-theory-shinichi-mochizuki
"the consensus is generally that Mochizuki's theory is probably incorrect", "I am a professional mathematician" - these two claims contradict each other: no professional mathematician would make such false claims