3 Search Results for "Viso, Andrés"


Document
Encoding Tight Typing in a Unified Framework

Authors: Delia Kesner and Andrés Viso

Published in: LIPIcs, Volume 216, 30th EACSL Annual Conference on Computer Science Logic (CSL 2022)


Abstract
This paper explores how the intersection type theories of call-by-name (CBN) and call-by-value (CBV) can be unified in a more general framework provided by call-by-push-value (CBPV). Indeed, we propose tight type systems for CBN and CBV that can be both encoded in a unique tight type system for CBPV. All such systems are quantitative, i.e. they provide exact information about the length of normalization sequences to normal form as well as the size of these normal forms. Moreover, the length of reduction sequences are discriminated according to their multiplicative and exponential nature, a concept inherited from linear logic. Last but not least, it is possible to extract quantitative measures for CBN and CBV from their corresponding encodings in CBPV.

Cite as

Delia Kesner and Andrés Viso. Encoding Tight Typing in a Unified Framework. In 30th EACSL Annual Conference on Computer Science Logic (CSL 2022). Leibniz International Proceedings in Informatics (LIPIcs), Volume 216, pp. 27:1-27:20, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2022)


Copy BibTex To Clipboard

@InProceedings{kesner_et_al:LIPIcs.CSL.2022.27,
  author =	{Kesner, Delia and Viso, Andr\'{e}s},
  title =	{{Encoding Tight Typing in a Unified Framework}},
  booktitle =	{30th EACSL Annual Conference on Computer Science Logic (CSL 2022)},
  pages =	{27:1--27:20},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-218-1},
  ISSN =	{1868-8969},
  year =	{2022},
  volume =	{216},
  editor =	{Manea, Florin and Simpson, Alex},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.CSL.2022.27},
  URN =		{urn:nbn:de:0030-drops-157479},
  doi =		{10.4230/LIPIcs.CSL.2022.27},
  annote =	{Keywords: Call-by-Push-Value, Call-by-Name, Call-by-Value, Intersection Types}
}
Document
Invited Talk
Strong Bisimulation for Control Operators (Invited Talk)

Authors: Delia Kesner, Eduardo Bonelli, and Andrés Viso

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


Abstract
The purpose of this paper is to identify programs with control operators whose reduction semantics are in exact correspondence. This is achieved by introducing a relation ≃, defined over a revised presentation of Parigot’s λμ-calculus we dub ΛM. Our result builds on two fundamental ingredients: (1) factorization of λμ-reduction into multiplicative and exponential steps by means of explicit term operators of ΛM, and (2) translation of ΛM-terms into Laurent’s polarized proof-nets (PPN) such that cut-elimination in PPN simulates our calculus. Our proposed relation ≃ is shown to characterize structural equivalence in PPN. Most notably, ≃ is shown to be a strong bisimulation with respect to reduction in ΛM, i.e. two ≃-equivalent terms have the exact same reduction semantics, a result which fails for Regnier’s σ-equivalence in λ-calculus as well as for Laurent’s σ-equivalence in λμ.

Cite as

Delia Kesner, Eduardo Bonelli, and Andrés Viso. Strong Bisimulation for Control Operators (Invited Talk). In 28th EACSL Annual Conference on Computer Science Logic (CSL 2020). Leibniz International Proceedings in Informatics (LIPIcs), Volume 152, pp. 4:1-4:23, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2020)


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@InProceedings{kesner_et_al:LIPIcs.CSL.2020.4,
  author =	{Kesner, Delia and Bonelli, Eduardo and Viso, Andr\'{e}s},
  title =	{{Strong Bisimulation for Control Operators}},
  booktitle =	{28th EACSL Annual Conference on Computer Science Logic (CSL 2020)},
  pages =	{4:1--4:23},
  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.2020.4},
  URN =		{urn:nbn:de:0030-drops-116473},
  doi =		{10.4230/LIPIcs.CSL.2020.4},
  annote =	{Keywords: Lambda-mu calculus, proof-nets, strong bisimulation}
}
Document
Efficient Type Checking for Path Polymorphism

Authors: Juan Edi, Andrés Viso, and Eduardo Bonelli

Published in: LIPIcs, Volume 69, 21st International Conference on Types for Proofs and Programs (TYPES 2015) (2018)


Abstract
A type system combining type application, constants as types, union types (associative, commutative and idempotent) and recursive types has recently been proposed for statically typing path polymorphism, the ability to define functions that can operate uniformly over recursively specified applicative data structures. A typical pattern such functions resort to is \dataterm{x}{y} which decomposes a compound, in other words any applicative tree structure, into its parts. We study type-checking for this type system in two stages. First we propose algorithms for checking type equivalence and subtyping based on coinductive characterizations of those relations. We then formulate a syntax-directed presentation and prove its equivalence with the original one. This yields a type-checking algorithm which unfortunately has exponential time complexity in the worst case. A second algorithm is then proposed, based on automata techniques, which yields a polynomial-time type-checking algorithm.

Cite as

Juan Edi, Andrés Viso, and Eduardo Bonelli. Efficient Type Checking for Path Polymorphism. In 21st International Conference on Types for Proofs and Programs (TYPES 2015). Leibniz International Proceedings in Informatics (LIPIcs), Volume 69, pp. 6:1-6:23, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2018)


Copy BibTex To Clipboard

@InProceedings{edi_et_al:LIPIcs.TYPES.2015.6,
  author =	{Edi, Juan and Viso, Andr\'{e}s and Bonelli, Eduardo},
  title =	{{Efficient Type Checking for Path Polymorphism}},
  booktitle =	{21st International Conference on Types for Proofs and Programs (TYPES 2015)},
  pages =	{6:1--6:23},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-030-9},
  ISSN =	{1868-8969},
  year =	{2018},
  volume =	{69},
  editor =	{Uustalu, Tarmo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.TYPES.2015.6},
  URN =		{urn:nbn:de:0030-drops-84761},
  doi =		{10.4230/LIPIcs.TYPES.2015.6},
  annote =	{Keywords: lambda-calculus, pattern matching, path polymorphism, type checking}
}
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