Ultralimits of Birkhoff averages
Maria Carvalho, Fernando Jorge Moreira
Abstract
Open-access reader
Maria Carvalho, Fernando Jorge Moreira
Abstract
Open-access reader
Given a compact metric space $X$ and a probability measure in the $σ-$algebra of Borel subsets of $X$, we will establish a dominated convergence theorem for ultralimits of sequences of integrable maps and apply it to deduce a non-standard ergodic-like theorem for any probability measure.
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Given a compact metric space $X$ and a probability measure in the $σ-$algebra of Borel subsets of $X$, we will establish a dominated convergence theorem for ultralimits of sequences of integrable maps and apply it to deduce a non-standard ergodic-like theorem for any probability measure.
Key concepts: Mathematics, Economics