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DOI: 10.4230/LIPIcs.ICALP.2018.113

Almost Sure Productivity

Authors: Alejandro Aguirre, Gilles Barthe, Justin Hsu, and Alexandra Silva

Published in: LIPIcs, Volume 107, 45th International Colloquium on Automata, Languages, and Programming (ICALP 2018)

Abstract

We introduce Almost Sure Productivity (ASP), a probabilistic generalization of the productivity condition for coinductively defined structures. Intuitively, a probabilistic coinductive stream or tree is ASP if it produces infinitely many outputs with probability 1. Formally, we define ASP using a final coalgebra semantics of programs inspired by Kerstan and König. Then, we introduce a core language for probabilistic streams and trees, and provide two approaches to verify ASP: a syntactic sufficient criterion, and a decision procedure by reduction to model{-}checking LTL formulas on probabilistic pushdown automata.

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Alejandro Aguirre, Gilles Barthe, Justin Hsu, and Alexandra Silva. Almost Sure Productivity. In 45th International Colloquium on Automata, Languages, and Programming (ICALP 2018). Leibniz International Proceedings in Informatics (LIPIcs), Volume 107, pp. 113:1-113:15, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2018)

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@InProceedings{aguirre_et_al:LIPIcs.ICALP.2018.113,
  author =	{Aguirre, Alejandro and Barthe, Gilles and Hsu, Justin and Silva, Alexandra},
  title =	{{Almost Sure Productivity}},
  booktitle =	{45th International Colloquium on Automata, Languages, and Programming (ICALP 2018)},
  pages =	{113:1--113:15},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-076-7},
  ISSN =	{1868-8969},
  year =	{2018},
  volume =	{107},
  editor =	{Chatzigiannakis, Ioannis and Kaklamanis, Christos and Marx, D\'{a}niel and Sannella, Donald},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ICALP.2018.113},
  URN =		{urn:nbn:de:0030-drops-91174},
  doi =		{10.4230/LIPIcs.ICALP.2018.113},
  annote =	{Keywords: Coinduction, Probabilistic Programming, Productivity}
}

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Almost Sure Productivity

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