A note on Lipschitz isomorphisms in Hilbert spaces

Dean Ives

Commentationes Mathematicae Universitatis Carolinae (2010)

  • Volume: 51, Issue: 3, page 427-430
  • ISSN: 0010-2628

Abstract

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We show that the following well-known open problems on existence of Lipschitz isomorphisms between subsets of Hilbert spaces are equivalent: Are balls isomorphic to spheres? Is the whole space isomorphic to the half space?

How to cite

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Ives, Dean. "A note on Lipschitz isomorphisms in Hilbert spaces." Commentationes Mathematicae Universitatis Carolinae 51.3 (2010): 427-430. <http://eudml.org/doc/38138>.

@article{Ives2010,
abstract = {We show that the following well-known open problems on existence of Lipschitz isomorphisms between subsets of Hilbert spaces are equivalent: Are balls isomorphic to spheres? Is the whole space isomorphic to the half space?},
author = {Ives, Dean},
journal = {Commentationes Mathematicae Universitatis Carolinae},
keywords = {Lipschitz isomorphism; Hilbert space; Lipschitz isomorphism; Hilbert space},
language = {eng},
number = {3},
pages = {427-430},
publisher = {Charles University in Prague, Faculty of Mathematics and Physics},
title = {A note on Lipschitz isomorphisms in Hilbert spaces},
url = {http://eudml.org/doc/38138},
volume = {51},
year = {2010},
}

TY - JOUR
AU - Ives, Dean
TI - A note on Lipschitz isomorphisms in Hilbert spaces
JO - Commentationes Mathematicae Universitatis Carolinae
PY - 2010
PB - Charles University in Prague, Faculty of Mathematics and Physics
VL - 51
IS - 3
SP - 427
EP - 430
AB - We show that the following well-known open problems on existence of Lipschitz isomorphisms between subsets of Hilbert spaces are equivalent: Are balls isomorphic to spheres? Is the whole space isomorphic to the half space?
LA - eng
KW - Lipschitz isomorphism; Hilbert space; Lipschitz isomorphism; Hilbert space
UR - http://eudml.org/doc/38138
ER -

References

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  1. Benyamini Y., Lindenstrauss J., Geometric Nonlinear Functional Analysis, Amer. Math. Soc. Colloquium Publications, 48, American Mathematical Society, Providence, RI, 2000. Zbl0946.46002MR1727673
  2. Bessaga C., Pelczynski A., Selected Topics in Infinite Dimensional Topology, PWN, Warsaw, 1975. Zbl0304.57001MR0478168
  3. Keller O.H., 10.1007/BF01455844, Math. Ann. 105 (1931), 748–758. MR1512740DOI10.1007/BF01455844
  4. Klee V.L., 10.1090/S0002-9947-1953-0054850-X, Trans. Amer. Math. Soc. 74 (1953), no. 1, 10–43. Zbl0050.33202MR0054850DOI10.1090/S0002-9947-1953-0054850-X
  5. Nahum R., On the Lipschitz equivalence of unit balls and spheres in normed spaces, preprint. 

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