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New York Journal of Mathematics
Volume 24 (2018), 1004-1019

  

Lior Bary-Soroker and Françcois Legrand

On the number of ramified primes in specializations of function fields over Q

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Published: October 23, 2018.
Keywords: Ramification, function field extension, specialization, central limit theorem.
Subject: 11K65, 11N37, 11N56, 11R44, 11R58, 12E05, 12E25.

Abstract
We study the number of ramified prime numbers in finite Galois extensions of Q obtained by specializing a finite Galois extension of Q(T). Our main result is a central limit theorem for this number. We also give some Galois theoretical applications.

Acknowledgements

The first author is partially supported by the Israel Science Foundation (grant No. 40/14). The second author is partially supported by the Israel Science Foundation (grants No. 40/14 and No. 696/13).


Author information

Lior Bary-Soroker:
School of Mathematical Sciences
Tel Aviv University
Ramat Aviv, Tel Aviv 6997801, Israel.

barylior@post.tau.ac.il

Françcois Legrand:
School of Mathematical Sciences
Tel Aviv University
Ramat Aviv, Tel Aviv 6997801, Israel, and

Department of Mathematics and Computer Science
The Open University of Israel
Ra'anana 4353701, Israel.

flegrand@post.tau.ac.il