Surjunctivity for cellular automata in Besicovitch spaces
classification
🧮 math.DS
keywords
automatabesicovitchcellulartopologyadditionalbehaviorcertaindifferent
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The Besicovitch pseudodistance measures the relative size of the set of points where two functions take different values; the quotient space modulo the induced equivalence relation is endowed with a natural metric. We study the behavior of cellular automata in the new topology and show that, under suitable additional hypotheses, they retain certain properties possessed in the usual product topology; in particular, that injectivity still implies surjectivity.
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