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Email (best method): mlieb(at)math{dot}upenn[dot]edu

Office: DRL 4N61

Phone: (215) 573-1029

"But yet mathematical certainty is, after all, something insufferable. Twice two makes four seems to me simply a piece of insolence. Twice two makes four is a pert coxcomb who stands with arms akimbo barring your path and spitting. I admit that twice two makes four is an excellent thing, but if we are to give everything its due, twice two makes five is sometimes a very charming thing too."

-Fyodor Dostoyevsky, "Notes from the Underground"

My name is Michael Lieberman, and I am back to lecturing at the University of Pennsylvania, after spending the fall of 2012 as a Visiting Researcher at Masaryk University (in conjunction with the Eduard Čech Institute).

I work primarily in the area of mathematical logic and foundations. Specifically, I'm interested in abstract model theory and in category-theoretic approaches to the subject. I was born and mostly raised in Minnesota (save for a yearlong sojourn in northeastern China), received my BA in math from Reed College---that most liberal arts of all liberal arts schools---and my PhD from the University of Michigan in 2009.