We study the (n+1)st homotopy groups and the shape groups of the (n-1)-fold reduced and unreduced suspensions of the Hawaiian earring.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-cm96-1-4, author = {Kazuhiro Kawamura}, title = {Low dimensional homotopy groups of suspensions of the Hawaiian earring}, journal = {Colloquium Mathematicae}, volume = {96}, year = {2003}, pages = {27-39}, zbl = {1037.55003}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm96-1-4} }
Kazuhiro Kawamura. Low dimensional homotopy groups of suspensions of the Hawaiian earring. Colloquium Mathematicae, Tome 96 (2003) pp. 27-39. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm96-1-4/