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math.GT2002
Framed and oriented links of codimension 2
Jianhua Wang
We discuss the relationship between the m-th homotopy group of the one-point union of r copies of the two-dimensional sphere and the m-th homotopy group of the one-point union of r…
math.GT2002
The geometry of the Hilton splitting
Jianhua Wang
One of the important theorems in homotopy theory is the Hilton splitting. In this paper we will construct all the Hilton homomorphisms by geometrical means and prove a family of sh…