The Complexity of Iterated Reversible Computation
We study a class of functional problems reducible to computing $f^{(n)}(x)$ for inputs $n$ and $x$, where $f$ is a polynomial-time bijection. As we prove, the definition is robust against variations in the type of reduction used in its definition, and in whether we require $f$ to have a polynomial-t...
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| Veröffentlicht in: | TheoretiCS Jg. 2 |
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| 1. Verfasser: | |
| Format: | Journal Article |
| Sprache: | Englisch |
| Veröffentlicht: |
TheoretiCS Foundation e.V
26.12.2023
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| Schlagworte: | |
| ISSN: | 2751-4838, 2751-4838 |
| Online-Zugang: | Volltext |
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| Zusammenfassung: | We study a class of functional problems reducible to computing $f^{(n)}(x)$
for inputs $n$ and $x$, where $f$ is a polynomial-time bijection. As we prove,
the definition is robust against variations in the type of reduction used in
its definition, and in whether we require $f$ to have a polynomial-time inverse
or to be computible by a reversible logic circuit. These problems are
characterized by the complexity class $\mathsf{FP}^{\mathsf{PSPACE}}$, and
include natural $\mathsf{FP}^{\mathsf{PSPACE}}$-complete problems in circuit
complexity, cellular automata, graph algorithms, and the dynamical systems
described by piecewise-linear transformations. |
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| ISSN: | 2751-4838 2751-4838 |
| DOI: | 10.46298/theoretics.23.10 |