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Computable Linearizations of Well-partial-orderings

13 years 3 months ago
Computable Linearizations of Well-partial-orderings
Abstract. We analyze results on well-partial-orderings from the viewpoint of computability theory, and we answer a question posed by Diana Schmidt. We obtain the following results. De Jongh and Parikh showed that every well-partial-order has a linearization of maximal order type. We show that such a linearization can be found computably. We also show that the process of finding such a linearization is not computably uniform, not even hyperarithmetically.
Antonio Montalbán
Added 27 Dec 2010
Updated 27 Dec 2010
Type Journal
Year 2007
Where ORDER
Authors Antonio Montalbán
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