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DAM
2002

Complexity of Langton's ant

13 years 10 months ago
Complexity of Langton's ant
The virtual ant introduced by Langton [Physica D 22 (1986) 120] has an interesting behavior, which has been studied in several contexts. Here we give a construction to calculate any boolean circuit with the trajectory of a single ant. This proves the P-hardness of the system and implies, through the simulation of one-dimensional cellular automata and Turing machines, the universality of the ant and the undecidability of some problems associated to it. ? 2002 Elsevier Science B.V. All rights reserved.
Anahí Gajardo, Andrés Moreira, Eric
Added 18 Dec 2010
Updated 18 Dec 2010
Type Journal
Year 2002
Where DAM
Authors Anahí Gajardo, Andrés Moreira, Eric Goles Ch.
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