Models of PAWednesday, May 8, 20135:00 pmnote new timeGC 4214.03

# The automorphism group of a model of arithmetic: recognizing standard system

## Ermek Nurkhaidarov

### Penn State Mont Alto

Let M be countable recursively saturated model of Peano Arithmetic. In the talk I will discuss ongoing research on recognizing standard system of M in the automorphism group of M.

Ermek Nurkhaidarov’s research focus is mathematical logic. In particular, he is interested in studying models of arithmetic.

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on May 6th, 2013