|
|
|
|
|
Mohamed Elamine Talbi, Djilali Benayat
Pág. 733 - 738
Higher homotopy of graphs has been defined in several articles. However, the existence of a long exact sequence associated to a pair (G, A) has not been touched at. We treat it here. Applied to the discrete spheres, this lead to interesting open question...
ver más
|
|
|
|
|