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Conference Papers Year : 2012

On Immortal Configurations in Turing Machines


We investigate the immortality problem for Turing machines and prove that there exists a Turing Machine that is immortal but halts on every recursive configuration. The result is obtained by combining a new proof of Hooper's theorem [11] with recent results on effective symbolic dynamics.
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lirmm-00663457 , version 1 (27-01-2012)



Emmanuel Jeandel. On Immortal Configurations in Turing Machines. CiE: Computability in Europe, 2012, Cambridge, United Kingdom. pp.334-343, ⟨10.1007/978-3-642-30870-3_34⟩. ⟨lirmm-00663457⟩
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