User Erik Walsberg - MathOverflow

Erik Walsberg

Member for 4 years, 9 months
Last seen more than 2 years ago

math.uci.edu/~ewalsber
Irvine

8 Answers

Score Activity Newest

23 votes

Can one show that the real field is not interpretable in the complex field without the axiom of choice?

answered Jul 13, 2021 at 20:16

17 votes

Is (Z,+,0,1,P2,P3) decidable?

answered Oct 8, 2020 at 22:09

9 votes

Accepted

Is there a complete characterization of ordered fields without definable proper subfields?

answered Dec 20, 2020 at 3:55

6 votes

Accepted

Are there good mutually interpretable axioms for synthetic Euclidean and hyperbolic geometry?

answered Dec 1, 2021 at 20:39

5 votes

Applications of Robinson's consistency theorem in algebra?

answered Nov 15, 2020 at 22:19

5 votes

Why are model theorists so fond of definable groups?

answered Oct 3, 2020 at 21:20

5 votes

Accepted

Reference request for generic smoothness

answered Oct 6, 2020 at 19:47

3 votes

Non-set-theoretic consequences of forcing axioms

answered Dec 11, 2020 at 2:40