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A general architecture of oritatami systems for simulating arbitrary finite automata (1904.10174v1)

Published 23 Apr 2019 in cs.DM and cs.FL

Abstract: In this paper, we propose an architecture of oritatami systems with which one can simulate an arbitrary nondeterministic finite automaton (NFA) in a unified manner. The oritatami system is known to be Turing-universal but the simulation available so far requires 542 bead types and $O(t4 \log2 t)$ steps in order to simulate $t$ steps of a Turing machine. The architecture we propose employs only 329 bead types and requires just $O(t |Q|4 |\Sigma|2)$ steps to simulate an NFA over an input alphabet $\Sigma$ with a state set $Q$ working on a word of length $t$.

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