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Le Matematiche 1991
Contractibility of curvesKeywords: Bend set , Continuum , Contractible , Curve , Dendroid , Fan , Homotopy , Pairwise smooth , Pointwise smooth , Q-point , R-continuum , Selectible , Smooth , Type N Abstract: Results concerning contractibility of curves (equivalently: of dendroids) are collected and discussed in the paper. Interrelations tetween various conditions which are either sufficient or necessary for a curve to be contractible are studied.
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