# On a compactification of the homeomorphism group of the pseudo-arc

Colloquium Mathematicae (1991)

- Volume: 62, Issue: 2, page 325-330
- ISSN: 0010-1354

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topKawamura, Kazuhiro. "On a compactification of the homeomorphism group of the pseudo-arc." Colloquium Mathematicae 62.2 (1991): 325-330. <http://eudml.org/doc/210120>.

@article{Kawamura1991,

abstract = {A continuum means a compact connected metric space. For a continuum X, H(X) denotes the space of all homeomorphisms of X with the compact-open topology. It is well known that H(X) is a completely metrizable, separable topological group. J. Kennedy [8] considered a compactification of H(X) and studied its properties when X has various types of homogeneity. In this paper we are concerned with the compactification $G_P$ of the homeomorphism group of the pseudo-arc P, which is obtained by the method of Kennedy. We prove that $G_P$ is homeomorphic to the Hilbert cube. This is an easy consequence of a combination of the results of [2], Corollary 2, and [9], Theorem 1, but here we give a direct proof. The author wishes to thank the referee for pointing out the above reference [2]. We also prove that the remainder of H(P) in $G_P$ contains many Hilbert cubes. It is known that H(P) contains no nondegenerate continua ([10]).},

author = {Kawamura, Kazuhiro},

journal = {Colloquium Mathematicae},

language = {eng},

number = {2},

pages = {325-330},

title = {On a compactification of the homeomorphism group of the pseudo-arc},

url = {http://eudml.org/doc/210120},

volume = {62},

year = {1991},

}

TY - JOUR

AU - Kawamura, Kazuhiro

TI - On a compactification of the homeomorphism group of the pseudo-arc

JO - Colloquium Mathematicae

PY - 1991

VL - 62

IS - 2

SP - 325

EP - 330

AB - A continuum means a compact connected metric space. For a continuum X, H(X) denotes the space of all homeomorphisms of X with the compact-open topology. It is well known that H(X) is a completely metrizable, separable topological group. J. Kennedy [8] considered a compactification of H(X) and studied its properties when X has various types of homogeneity. In this paper we are concerned with the compactification $G_P$ of the homeomorphism group of the pseudo-arc P, which is obtained by the method of Kennedy. We prove that $G_P$ is homeomorphic to the Hilbert cube. This is an easy consequence of a combination of the results of [2], Corollary 2, and [9], Theorem 1, but here we give a direct proof. The author wishes to thank the referee for pointing out the above reference [2]. We also prove that the remainder of H(P) in $G_P$ contains many Hilbert cubes. It is known that H(P) contains no nondegenerate continua ([10]).

LA - eng

UR - http://eudml.org/doc/210120

ER -

## References

top- [1] R. H. Bing, A homogeneous indecomposable plane continuum, Duke Math. J. 15 (1948), 729-742. Zbl0035.39103
- [2] P. L. Bowers, Dense embeddings of nowhere locally compact separable metric spaces, Topology Appl. 26 (1987), 1-12. Zbl0624.54014
- [3] M. Brown, Some applications of an approximation theorem for inverse limits, Proc. Amer. Math. Soc. 11 (1960), 478-483. Zbl0113.37705
- [4] T. A. Chapman, Lectures on Hilbert Cube Manifolds, CBMS Regional Conf. Ser. in Math. 28, Amer. Math. Soc. Providence, R.I., 1975.
- [5] D. W. Curtis and R. M. Schori, Hyperspaces which characterize simple homotopy type, Gen. Topology Appl. 6 (1976), 153-165. Zbl0328.54003
- [6] K. Kawamura, Span zero continua and the pseudo-arc, Tsukuba J. Math. 14 (1990), 327-341. Zbl0746.54013
- [7] J. L. Kelley, Hyperspaces of a continuum, Trans. Amer. Math. Soc. 52 (1942), 22-36. Zbl0061.40107
- [8] J. Kennedy, Compactifying the space of homeomorphisms, Colloq. Math. 56 (1988), 41-58. Zbl0676.54047
- [9] J. Kennedy Phelps, Homogeneity and groups of homeomorphisms, Topology Proc. 6 (1981), 371-404. Zbl0525.54025
- [10] W. Lewis, Pseudo-arc and connectedness in homeomorphism groups, Proc. Amer. Math. Soc. 87 (1983), 745-748. Zbl0525.54024
- [11] S. B. Nadler, Hyperspaces of Sets, Marcel Dekker, 1978. Zbl0432.54007
- [12] S. B. Nadler, Induced universal maps and some hyperspaces with fixed point property, Proc. Amer. Math. Soc. 100 (1987), 749-754. Zbl0622.54006
- [13] M. Smith, Concerning the homeomorphisms of the pseudo-arc X as a subspace of C(X×X), Houston J. Math. 12 (1986), 431-440. Zbl0629.54001
- [14] H. Toruńczyk, On CE-images of the Hilbert cube and the characterization of Q-manifolds, Fund. Math. 106 (1980), 31-40. Zbl0346.57004

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