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Complexity Issues for Preorders on Finite Labeled Forests

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Models of Computation in Context (CiE 2011)

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Abstract

We prove that three preorders on the finite k-labeled forests are polynomial time computable. Together with an earlier result of the first author, this implies polynomial-time computability for an important initial segment of the corresponding degrees of discontinuity of k-partitions on the Baire space. Furthermore, we show that on ω-labeled forests the first of these three preorders is polynomial time computable as well while the other two preorders are NP-complete.

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Hertling, P., Selivanov, V. (2011). Complexity Issues for Preorders on Finite Labeled Forests. In: Löwe, B., Normann, D., Soskov, I., Soskova, A. (eds) Models of Computation in Context. CiE 2011. Lecture Notes in Computer Science, vol 6735. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-21875-0_12

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  • DOI: https://doi.org/10.1007/978-3-642-21875-0_12

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-21874-3

  • Online ISBN: 978-3-642-21875-0

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