Acta mathematica scientia,Series B ›› 1991, Vol. 11 ›› Issue (3): 301-307.
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Li Banghe1, U. Kaiser2
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Abstract: We calculate the first obstruction to regular homotopy of an immersion f:Mn→Rn+k into rof for a reflection r of Rn+k. In the case of k=n-1 we give necessary and sufficient conditions for f to be regularly homotopic to rof in terms of obstructions to the existence of a normal vectorfield of f.
Li Banghe, U. Kaiser. ON THE REFLECTION OF IMMERSIONS IN EUCLIDEAN SPACES[J].Acta mathematica scientia,Series B, 1991, 11(3): 301-307.
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