Because Perelman only bought groceries for himself, the group of people didn't stay for lunch.
Before leaving, Schultz mentioned that the ICM conference was happening in St. Petersburg, but Perelman didn't respond.
Judging from Perelman's face, he didn't really care about the International Congress of Mathematicians at all.
However, before leaving, Perelman asked Lu Zhou what he planned on talking about for his conference report. When he heard that Lu Zhou was only going to talk about some of his previously published research, Perelman looked disappointed.
After leaving Perelman's house, Schultz looked up at the bright sky and sighed.
"Looks like this trip was a waste."
Lu Zhou curiously asked, "Why? Didn't you just want to see your old friend? Why was it a waste?"
"Visiting my old friend was just one of my reasons," Schultz said. "Actually, Professor Faltings asked me to come."
Lu Zhou: "Faltings?"
