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DOI: 10.4230/LIPIcs.CONCUR.2017.20

Two Lower Bounds for BPA

Authors: Mingzhang Huang and Qiang Yin

Published in: LIPIcs, Volume 85, 28th International Conference on Concurrency Theory (CONCUR 2017)

Abstract

Branching bisimilarity of normed Basic Process Algebra (nBPA) was claimed to be EXPTIME-hard in previous papers without any explicit proof. Recently it has been pointed out by Petr Jancar that the claim lacked proper justification. In this paper, we develop a new complete proof for the EXPTIME-hardness of branching bisimilarity of nBPA. We also prove that the associated regularity problem of nBPA is PSPACE-hard. This improves previous P-hard result.

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Mingzhang Huang and Qiang Yin. Two Lower Bounds for BPA. In 28th International Conference on Concurrency Theory (CONCUR 2017). Leibniz International Proceedings in Informatics (LIPIcs), Volume 85, pp. 20:1-20:16, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2017)

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@InProceedings{huang_et_al:LIPIcs.CONCUR.2017.20,
  author =	{Huang, Mingzhang and Yin, Qiang},
  title =	{{Two Lower Bounds for BPA}},
  booktitle =	{28th International Conference on Concurrency Theory (CONCUR 2017)},
  pages =	{20:1--20:16},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-048-4},
  ISSN =	{1868-8969},
  year =	{2017},
  volume =	{85},
  editor =	{Meyer, Roland and Nestmann, Uwe},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2017.20},
  URN =		{urn:nbn:de:0030-drops-77772},
  doi =		{10.4230/LIPIcs.CONCUR.2017.20},
  annote =	{Keywords: BPA, branching bisimulation, regularity}
}

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Two Lower Bounds for BPA

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