The purpose of this note is two-fold: firstly, to give a new and interesting result concerning separate and joint continuity, and secondly, to give a stream-lined (and self-contained) proof of the fact that "tame" CHART groups are topological groups.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-fm115-1-2016, author = {Warren B. Moors}, title = {Fragmentable mappings and CHART groups}, journal = {Fundamenta Mathematicae}, volume = {233}, year = {2016}, pages = {191-200}, zbl = {06602789}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm115-1-2016} }
Warren B. Moors. Fragmentable mappings and CHART groups. Fundamenta Mathematicae, Tome 233 (2016) pp. 191-200. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm115-1-2016/