Although he arrived in the morning, he didn't attend the small seminar organized specifically for Qiao Yu. After all, he is not a member of this conference's organizing committee, nor does he hold a position on the review panel.
In fact, the reason he came to this meeting with Lott Degen was because of Lott Degen's previous invitation.
The dean of the Princeton School of Mathematics still plans to talk to Qiao Yu.
Moreover, as the editor-in-chief of one of the four major mathematics journals in the world, Ann.Math, he surely doesn't lack invitations to such large-scale academic conferences. In fact, even editors wouldn't lack them.
Even though the topic he is researching, the N-body problem, strictly speaking, doesn't directly belong to the field of Algebraic Geometry.
