English

Continuous rational functions on real and $p$-adic varieties

Algebraic Geometry 2013-01-25 v2

Abstract

This note studies, and partially solves, 3 elementary questions about continuous rational functions on real (and p-adic) algebraic varieties: Can one restrict such a function to a subvariety? Can one extend such a function from a subvariety? Which linear equations can be solved using such functions?

Keywords

Cite

@article{arxiv.1101.3737,
  title  = {Continuous rational functions on real and $p$-adic varieties},
  author = {János Kollár},
  journal= {arXiv preprint arXiv:1101.3737},
  year   = {2013}
}

Comments

This paper, while correct, is superseded by 1301.5048: Koll\'ar--Nowak: Continuous rational functions on real and $p$-adic varieties II

R2 v1 2026-06-21T17:14:09.361Z