Logic List Mailing Archive

ITRS 2021: Intersection Types & Related Systems, Virtual

17 Jul 2021

ITRS 2021 Call for papers


    Tenth Workshop on Intersection Types and Related Systems - ITRS 2021

17 July 2021, Online

Affiliated withFSCD <https://fscd2021.dc.uba.ar/>, 17-24 July 2021, Buenos Aires

Web page:http://www.di.unito.it/~deligu/ITRS2021/
<http://www.di.unito.it/%7Edeligu/ITRS2021/>


      Aims and Scope

Intersection types were introduced near the end of the 1970s to overcome the
limitations of Curry's type assignment system and to provide a characterization
of the strongly normalizing terms of the Lambda Calculus. The key idea is to
introduce an intersection type constructor ? such that a term of type t ? s can
be used at both type t and s within the same context. This provides a finite
polymorphism where various, even unrelated, types of the term are listed
explicitly, differently from the more widely used universally quantified types
where the polymorphic type is the common schema which stands for its various
type instances. As a consequence, more terms (all and only the normalizing
terms) can be typed than with universal polymorphism.

Although intersection types were initially intended for use in analyzing and/or
synthesizing lambda models as well as in analyzing normalization properties,
over the last twenty years the scope of the research on intersection types and
related systems has broadened in many directions. Restricted (and more
manageable) forms have been investigated, such as refinement types. Type systems
based on intersection type theory have been extensively studied for practical
purposes, such as program analysis and higher-order model checking. The dual
notion of union types turned out to be quite useful for programming languages.
Finally, the behavioural approach to types, which can give a static
specification of computational properties, has become central in the most recent
research on type theory.

The ITRS 2021 workshop aims to bring together researchers working on both the
theory and practical applications of systems based on intersection types and
related approaches. Possible topics for submitted papers include, but are not
limited to:

  * Formal properties of systems with intersection types.
  * Results for related systems, such as union types, refinement types,
    or singleton types.
  * Applications to lambda calculus, pi-calculus and similar systems.
  * Applications for programming languages, program analysis, and
    program verification.
  * Applications for other areas, such as database query languages and
    program extraction from proofs.
  * Related approaches using behavioural/intensional types and/or
    denotational semantics to characterize computational properties.
  * Quantitative refinements of intersection types.

ITRS workshops have been held every two years (with the exception of 2020,
because of COVID-19 outbreak). Information about the previous events is
available at theITRS home page <http://itrs.di.unito.it/>.


      Invited Speaker

  * Jeremy Siek (Indiana University Bloomington)


      Paper Submissions

Papers must be original and not previously published, nor submitted elsewhere.
Papers should be prepared in LaTeX using theEPTCS macro
<http://style.eptcs.org/>package and should be in the range of 3-16 pages, plus
at most 2 pages of references. Submissions will be collected via EasyChair and
reviewed by anonymous referees.


      Important Dates

  * Paper submission: 12 April 2021
  * Author notification: 24 May 2021
  * Final version: 18 June 2021
  * Workshop: 17 July 2021


      Program Committee

  * Antonio Bucciarelli, Université de Paris, France
  * Daniel De Carvalho, Innopolis University, Russia
  * Andrej Dudenhefner, Saarland University, Germany
  * Silvia Ghilezan, University of Novi Sad, Serbia
  * Ugo de' Liguoro, Università di Torino, Italy (chair)
  * Jeremy Siek, Indiana University Bloomington, USA (co-chair)


        Organizers:

Ugo de' Liguoro, Università di Torino, Italy

Riccardo Treglia, Università di Torino, Italy (riccardo.treglia@unito.it)


        Steering Committee

  * Mariangiola Dezani-Ciancaglini, Università di Torino, Italy
  * Jakob Rehof, TU University of Dortmund, Germany
  * Joe Wells, Heriot-Watt University, Scotland

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