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2 questions
6
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answers
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Shifting an irrational binary sequence
Let $\newcommand{\tn}{\{0,1\}^\mathbb{N}}\tn$ be the collection of all infinite binary sequences. For $s\in\tn$ and $k\in\mathbb{N}$ let the left-shift of $s$ by $k$ positions, $\ell_k(s)\in \tn$, be ...
3
votes
1
answer
207
views
Is normalcy preserved under the swapping operation?
Let $\mathbb{N}$ denote the set of non-negative integers. We say that a sequence $f:\mathbb{N}\to \{0,1\}$ is normal if every finite $\{0,1\}$-sequence appears in $f$.
Let the swapping operation $\...