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Counterexample to a problem of Geoghegan-West
Author(s):
P.
V.
Semenov
Journal:
Proc. Amer. Math. Soc.
124
(1996),
939-943.
MSC (1991):
Primary 58B05, 57N20
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Abstract:
Let be a Banach space and its general linear group. Let denote the operator norm and `` '' the pointwise convergence topology on . Is the identity map a homotopy equivalence? The answer is negative. One of the possible counterexamples is a well-known James space ---the ``space of counterexamples in Banach spaces theory''.
References:
- 1.
- J. West, Open problems in infinite dimensional topology, preprint, 1990.
- 2.
- R. Geoghegan, Open problems in infinite dimensional topology, Topology Proc. 4 (1979), 287--330. MR 82a:57015
- 3.
- B. S. Mitjagin, Homotopic structure of linear groups of Banach spaces, Uspekhi Mat. Nauk 25 (1970), no. 5, 63--106. MR 49:6274a
- 4.
- R. Wong, On homeomorphisms of certain infinite dimensional spaces, Trans. Amer. Math. Soc. 128 (1967), 148--154. MR 35:4892
- 5.
- R. James, Bases and reflexivity of Banach spaces, Ann. of Math. (2) 52 (1950), 518--527. MR 12:6166
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Additional Information:
P.
V.
Semenov
Affiliation:
1614. app149, Zelenograd, Moscow, 103617, Russia
Email:
SEMENOV.MATAN@MPGU.MSK.SU
DOI:
10.1090/S0002-9939-96-03276-5
PII:
S 0002-9939(96)03276-5
Keywords:
General linear group,
pointwise convergence topology,
weak homotopy equivalence,
James space
Received by editor(s):
July 25, 1991
Communicated by:
James E. West
Copyright of article:
Copyright
1996,
American Mathematical Society
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