Absolute extensors in extension theory
Geometric Topology
2007-05-23 v1 General Topology
Abstract
Let L be a countable and locally finite CW complex. Suppose that the class of all metrizable compacta of extension dimension not greater than L contains a universal element which is an absolute extensor in dimension L. Our main result shows that L is quasi-finite.
Cite
@article{arxiv.math/0405212,
title = {Absolute extensors in extension theory},
author = {Alex Karasev and Vesko Valov},
journal= {arXiv preprint arXiv:math/0405212},
year = {2007}
}