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bio website pdmi.ras.ru/~svivanov
location Saint Petersburg, Russia
age 42
visits member for 4 years, 6 months
seen Jul 31 at 21:48
I am a research fellow at St.Petersburg Department of Steklov Math Institute

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$f\circ f=g$ revisited

mar 20 '10 at 21:35 Ady 2,147