We prove a new adjunction theorem for n-equivalences. This theorem enables us to produce a simple geometric version of proof of the triad connectivity theorem of Blakers and Massey. An important intermediate step is a study of the collapsing map S∨X → S, S being a sphere.
@article{urn:eudml:doc:41229, title = {Adjunction of n-equivalences and triad connectivity.}, journal = {Publicacions Matem\`atiques}, volume = {39}, year = {1995}, pages = {367-377}, mrnumber = {MR1370893}, zbl = {0858.55011}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:41229} }
Witbooi, Peter J. Adjunction of n-equivalences and triad connectivity.. Publicacions Matemàtiques, Tome 39 (1995) pp. 367-377. http://gdmltest.u-ga.fr/item/urn:eudml:doc:41229/