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arxiv: 1206.0235 · v1 · pith:NW5LD3ELnew · submitted 2012-06-01 · 🧮 math.DS

Rank as a function of measure

classification 🧮 math.DS
keywords rankfunctiontopologicalcertainclassdynamicalestablishexact
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We establish certain topological properties of rank understood as a function on the set of invariant measures on a topological dynamical system. To be exact, we show that rank is of Young class LU (i.e., it is the limit of an increasing sequence of upper semicontinuous functions)

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