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Simulating 3-Symbol Turing Machines with SIMD||DNA

Abstract

SIMD||DNA is a model of DNA strand displacement allowing parallel in-memory computation on DNA storage. We show how to simulate an arbitrary 3-symbol space-bounded Turing machine with a SIMD||DNA program, giving a more direct and efficient route to general-purpose information manipulation on DNA storage than the Rule 110 simulation of Wang, Chalk, and Soloveichik. We also develop software that can simulate SIMD||DNA programs and produce SVG figures.

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