| HAL: hal-00690285, version 1 |
| arXiv: 1204.4988 |
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| Hardness of conjugacy and factorization of multidimensional subshifts of finite type. |
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| Jeandel Emmanuel 1Pascal Vanier 2 |
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| (2012-04-22) |
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| We investigate here the hardness of conjugacy and factorization of subshifts of finite type (SFTs) in dimension $d>1$. In particular, we prove that the factorization problem is $\Sigma^0_3$-complete and the conjugacy problem $\Sigma^0_1$-complete in the arithmetical hierarchy. |
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| 1: | Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier (LIRMM) |
| CNRS : UMR5506 – Université Montpellier II - Sciences et techniques | |
| 2: | Laboratoire d'informatique Fondamentale de Marseille (LIF) |
| CNRS : UMR6166 – Université de la Méditerranée - Aix-Marseille II – Université de Provence - Aix-Marseille I | |
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| INFO/ESCAPE : Systèmes complexes, Automates et Pavages |
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| Subject | : | Computer Science/Discrete Mathematics |
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| Subshift of finite type – factorization – conjugacy – arithmetical hierarchy – computability – tilings – SFT |
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| Attached file list to this document: | |||||
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| hal-00690285, version 1 | |
| http://hal.archives-ouvertes.fr/hal-00690285 | |
| oai:hal.archives-ouvertes.fr:hal-00690285 | |
| From: Pascal Vanier | |
| Submitted on: Monday, 23 April 2012 08:15:56 | |
| Updated on: Monday, 23 April 2012 10:00:46 | |