Arithmetische geometrie

Just attended a week-long meeting at Oberwolfach on arithmetic geometry.

  • “So did you do this computation like Gauss, or did you use a computer?” – Gabber to Katz

 

  • “Let the indices work it out themselves!” – Janssen

 

  • “Shouwu, either you’re going to answer my question, or I’m going to hand you over to Ofer!” – Kisin

 

  • Katz (telling a story at the beginning of his talk): “… So anyway, after Spencer returned to Princeton, this is how he described the math department at Stanford [where he had just been a professor for a couple years]: ‘At Stanford, they’re still studying the topology of the unit disk!’ ”
    Conrad (from the audience): “Those days are over.”

 

  • “We use what I wrote.” – Janssen reassuring Gabber

 

  • “So Peter, why did you turn down the breakthrough prize? [pause] I’m only asking because I’m drunk!”

 

  • Anon.: “So Ofer, do you come here much?”
    Gabber: [looks down at table, silently moves his finger across it in stepwise motion for 30 seconds] “Seventeen times.”

 

  • Two common referees for technical papers on Shimura varieties: Frobenius and Verschiebung.

 

  • Me (after writing down the “new” definition of a diamond): “Is that OK, Peter?”
    Scholze (from the back row): “Looks good!”

 

  • Zhang: “So Mochizuki is like the Buddha.  He writes his ideas.  He is satisfied.  If you want to understand them, you visit him, you ask him questions, he gives you a little idea, you go away and study.  You have to be a monk.  Have a monk’s approach.”
    Anon.: “Unfortunately, there aren’t very many good monks.”

 

  • A “symplectic lifting whatever shit”. Apparently they’re defined in Kai-Wen Lan’s thesis?

 

  • Gabber was NOT happy when he heard about Mochizuki’s Gaussian integral analogy.

 

  • While eating the horrible bread casserole thing, which Kedlaya, Lieblich and I had mangled pretty badly while serving ourselves:
    Lieblich:”What is this supposed to BE?”
    Kedlaya: “Some kind of croque madame?”
    Nizioł: “Yes, a croque madame.  But I think you guys croqued it.”
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