Glasnik Matematicki, Vol. 40, No.2 (2005), 333-337.
D-COUNTINUUM X ADMITS A WHITNEY MAP FOR C(X)
IF AND ONLY IF IT IS METRIZABLE
Ivan Lončar
Faculty of Organizations and Informatics Varaždin,
University of Zagreb, Croatia
e-mail: ivan.loncar1@vz.htnet.hr
e-mail: ivan.loncar@foi.hr
Abstract. The main purpose of this paper is to prove:
a) a D-continuum X
admits a Whitney map for C(X) if and only if it is metrizable,
b) a continuum X admits a Whitney map for C2(X) if and only
if it is metrizable.
2000 Mathematics Subject Classification.
54F15, 54C30.
Key words and phrases. D-continuum, Whitney map.
Full text (PDF) (free access)
DOI: 10.3336/gm.40.2.13
References:
- J. J. Charatonik and W. J. Charatonik,
Whitney maps - a non-metric case,
Colloq. Math. 83 (2000), 305-307.
- R. Engelking,
General Topology, PWN, Warszawa, 1977.
- A. Illanes and S.B. Nadler, Jr.,
Hyperspaces:
Fundamentals and Recent advances, Marcel Dekker, New York-Basel, 1999.
- I. Loncar,
A fan X admits a Whitney
map for C(X) iff it is metrizable,
Glas. Mat. Ser. III 38(58) (2003), 395-411.
- I. Loncar,
Arc-smooth continuum admits X
admits a Whitney map for C(X) iff it is metrizable,
JP J. Geom. Topol. 4 (2004), 13-21.
- I. Loncar,
Whitney map for hyperspaces of continua with the property of Kelley,
JP J. Geom. Topol. 4 (2004), 147-156.
- M. M. McWaters,
Arcs, semigroups, and hyperspace,
Canad. J. Math. 20 (1968), 1207-1210.
- E. Michael,
Topologies on spaces of subsets,
Trans. Amer. Math. Soc. 71 (1951), 152-182.
CrossRef
http://dx.doi.org/10.2307/1990864
- S. B. Nadler,
Hyperspaces of sets, Marcel Dekker, Inc., New York, 1978.
- S. B. Nadler,
Continuum theory, Marcel Dekker, Inc., New York, 1992.
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