3 Search Results for "Miquey, Étienne"

Document
DOI: 10.4230/LIPIcs.FSCD.2023.28
Concurrent Realizability on Conjunctive Structures

Authors: Emmanuel Beffara, Félix Castro, Mauricio Guillermo, and Étienne Miquey

Published in: LIPIcs, Volume 260, 8th International Conference on Formal Structures for Computation and Deduction (FSCD 2023)

Abstract
This work aims at exploring the algebraic structure of concurrent processes and their behavior independently of a particular formalism used to define them. We propose a new algebraic structure called conjunctive involutive monoidal algebra (CIMA) as a basis for an algebraic presentation of concurrent realizability, following ideas of the algebrization program already developed in the realm of classical and intuitionistic realizability. In particular, we show how any CIMA provides a sound interpretation of multiplicative linear logic. This new structure involves, in addition to the tensor and the orthogonal map, a parallel composition. We define a reference model of this structure as induced by a standard process calculus and we use this model to prove that parallel composition cannot be defined from the conjunctive structure alone.
Cite as

Emmanuel Beffara, Félix Castro, Mauricio Guillermo, and Étienne Miquey. Concurrent Realizability on Conjunctive Structures. In 8th International Conference on Formal Structures for Computation and Deduction (FSCD 2023). Leibniz International Proceedings in Informatics (LIPIcs), Volume 260, pp. 28:1-28:21, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2023)

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@InProceedings{beffara_et_al:LIPIcs.FSCD.2023.28,
  author =	{Beffara, Emmanuel and Castro, F\'{e}lix and Guillermo, Mauricio and Miquey, \'{E}tienne},
  title =	{{Concurrent Realizability on Conjunctive Structures}},
  booktitle =	{8th International Conference on Formal Structures for Computation and Deduction (FSCD 2023)},
  pages =	{28:1--28:21},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-277-8},
  ISSN =	{1868-8969},
  year =	{2023},
  volume =	{260},
  editor =	{Gaboardi, Marco and van Raamsdonk, Femke},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.FSCD.2023.28},
  URN =		{urn:nbn:de:0030-drops-180124},
  doi =		{10.4230/LIPIcs.FSCD.2023.28},
  annote =	{Keywords: Realizability, Process Algebras, Concurrent Processes, Linear Logic}
}
Document
DOI: 10.4230/LIPIcs.CSL.2021.19
Realizability with Stateful Computations for Nonstandard Analysis

Authors: Bruno Dinis and Étienne Miquey

Published in: LIPIcs, Volume 183, 29th EACSL Annual Conference on Computer Science Logic (CSL 2021)

Abstract
In this paper we propose a new approach to realizability interpretations for nonstandard arithmetic. We deal with nonstandard analysis in the context of intuitionistic realizability, focusing on the Lightstone-Robinson construction of a model for nonstandard analysis through an ultrapower. In particular, we consider an extension of the λ-calculus with a memory cell, that contains an integer (the state), in order to indicate in which slice of the ultrapower ℳ^{ℕ} the computation is being done. We shall pay attention to the nonstandard principles (and their computational content) obtainable in this setting. We then discuss how this product could be quotiented to mimic the Lightstone-Robinson construction.
Cite as

Bruno Dinis and Étienne Miquey. Realizability with Stateful Computations for Nonstandard Analysis. In 29th EACSL Annual Conference on Computer Science Logic (CSL 2021). Leibniz International Proceedings in Informatics (LIPIcs), Volume 183, pp. 19:1-19:23, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)

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@InProceedings{dinis_et_al:LIPIcs.CSL.2021.19,
  author =	{Dinis, Bruno and Miquey, \'{E}tienne},
  title =	{{Realizability with Stateful Computations for Nonstandard Analysis}},
  booktitle =	{29th EACSL Annual Conference on Computer Science Logic (CSL 2021)},
  pages =	{19:1--19:23},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-175-7},
  ISSN =	{1868-8969},
  year =	{2021},
  volume =	{183},
  editor =	{Baier, Christel and Goubault-Larrecq, Jean},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.CSL.2021.19},
  URN =		{urn:nbn:de:0030-drops-134531},
  doi =		{10.4230/LIPIcs.CSL.2021.19},
  annote =	{Keywords: realizability, nonstandard analysis, states, glueing, ultrafilters, {\L}o\'{s}' theorem}
}
Document
DOI: 10.4230/LIPIcs.CSL.2020.30
Revisiting the Duality of Computation: An Algebraic Analysis of Classical Realizability Models

Authors: Étienne Miquey

Published in: LIPIcs, Volume 152, 28th EACSL Annual Conference on Computer Science Logic (CSL 2020)

Abstract
In an impressive series of papers, Krivine showed at the edge of the last decade how classical realizability provides a surprising technique to build models for classical theories. In particular, he proved that classical realizability subsumes Cohen’s forcing, and even more, gives rise to unexpected models of set theories. Pursuing the algebraic analysis of these models that was first undertaken by Streicher, Miquel recently proposed to lay the algebraic foundation of classical realizability and forcing within new structures which he called implicative algebras. These structures are a generalization of Boolean algebras based on an internal law representing the implication. Notably, implicative algebras allow for the adequate interpretation of both programs (i.e. proofs) and their types (i.e. formulas) in the same structure. The very definition of implicative algebras takes position on a presentation of logic through universal quantification and the implication and, computationally, relies on the call-by-name λ-calculus. In this paper, we investigate the relevance of this choice, by introducing two similar structures. On the one hand, we define disjunctive algebras, which rely on internal laws for the negation and the disjunction and which we show to be particular cases of implicative algebras. On the other hand, we introduce conjunctive algebras, which rather put the focus on conjunctions and on the call-by-value evaluation strategy. We finally show how disjunctive and conjunctive algebras algebraically reflect the well-known duality of computation between call-by-name and call-by-value.
Cite as

Étienne Miquey. Revisiting the Duality of Computation: An Algebraic Analysis of Classical Realizability Models. In 28th EACSL Annual Conference on Computer Science Logic (CSL 2020). Leibniz International Proceedings in Informatics (LIPIcs), Volume 152, pp. 30:1-30:18, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2020)

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@InProceedings{miquey:LIPIcs.CSL.2020.30,
  author =	{Miquey, \'{E}tienne},
  title =	{{Revisiting the Duality of Computation: An Algebraic Analysis of Classical Realizability Models}},
  booktitle =	{28th EACSL Annual Conference on Computer Science Logic (CSL 2020)},
  pages =	{30:1--30:18},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-132-0},
  ISSN =	{1868-8969},
  year =	{2020},
  volume =	{152},
  editor =	{Fern\'{a}ndez, Maribel and Muscholl, Anca},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.CSL.2020.30},
  URN =		{urn:nbn:de:0030-drops-116734},
  doi =		{10.4230/LIPIcs.CSL.2020.30},
  annote =	{Keywords: realizability, model theory, forcing, proofs-as-programs, \lambda-calculus, classical logic, duality, call-by-value, call-by-name, lattices, tripos}
}
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