Acta mathematica scientia,Series A ›› 2008, Vol. 28 ›› Issue (6): 997-001.
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Li Lei
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Abstract:
In this paper, the author studies the extension of isometries between unit spheres of real normed spaces. The author considers a new space E#, which is called the positively homogeneous dual space, and studies it under a new topology σ(E#, E). Then, the author shows that a class of surjective isometries between unit spheres of real normed spaces can be linearly isometrically extended to the whole space.
Key words: Positively homogeneous, Isometric extension, Unit sphere
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Li Lei. The Extension of Isometries Between Unit Spheres[J].Acta mathematica scientia,Series A, 2008, 28(6): 997-001.
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