The Sorgenfrey Line is Not an Elastic Space

Gary Gruenhage
1973 Proceedings of the American Mathematical Society  
In this paper we show that the Sorgenfrey line is an example of a paracompact monotonically normal space which is not elastic. We also give a class of examples of elastic spaces which are not linearly stratifiable.
doi:10.2307/2038973 fatcat:zak5jeqxdjf6pbgvvuvwp4ozce