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Simple closed curves in inverse limits with set-valued functions

  • Leonardo Juárez-Villa

摘要

The purpose of this paper is to show an example of an upper semicontinuous function \(f: [0,1]\rightarrow 2^{[0,1]}\) f : [ 0 , 1 ] 2 [ 0 , 1 ] with the following properties: (1) The graph of f is an arc, (2) the inverse limit \(\underleftarrow{\lim }\;f\) lim f is a continuum, (3) the dimension of \(\underleftarrow{\lim }\;f\) lim f is 1, and (4) for each \(n\ge 3\) n 3 , \(G' _{n}(f)\) G n ( f ) contains a simple closed curve and \(\underleftarrow{\lim }\;f\) lim f contains a simple closed curve.