English

No Unwanted Universally Baire Morphisms

Logic 2015-08-27 v1

Abstract

We show that the usual proof that there are no morphisms (in the sense of cardinal characteristics), whose constituent maps are Borel, between certain challenge-response relations generalizes to show that there are no morphisms whose constituent maps are universally Baire.

Cite

@article{arxiv.1508.06355,
  title  = {No Unwanted Universally Baire Morphisms},
  author = {Dan Hathaway},
  journal= {arXiv preprint arXiv:1508.06355},
  year   = {2015}
}

Comments

4 pages

R2 v1 2026-06-22T10:41:36.762Z