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Places of Algebraic Function Fields in Arbitrary Characteristic by Kuhlmann, Franz-Viktor is a scholarly article available to read on EtoBox.

What is Places of Algebraic Function Fields in Arbitrary Characteristic about?

We consider the Zariski space of all places of an algebraic function field $F|K$ of arbitrary characteristic and investigate its structure by means of its patch topology. We show that certain sets of places with nice properties (e.g., prime divisors, places of maximal rank, zero-dimensional discrete places) lie dense in this topology. Further, we give several equivalent characterizations of fields that are large, in the sense of F. Pop's Annals paper {\it Embedding problems over large fields}. We also study the question whether a field $K$ is existentially closed in an extension field $L$ if $L$ admits a $K$-rational place. In the appendix, we prove the fact that the Zariski space with the Zariski topology is quasi-compact and that it is a spectral space.

Author

Kuhlmann, Franz-Viktor

Published

2010

Language

EN