Appel: HyLo 2010, Deadline extended till April 7

Thierry Hamon thierry.hamon at UNIV-PARIS13.FR
Tue Mar 30 20:23:50 UTC 2010

Date: Mon, 29 Mar 2010 15:01:44 +0200
From: Thomas Bolander <tb at>
Message-ID: <4BB0A4B8.4030903 at>

                  HYLO 2010 DEADLINE EXTENDED!
                New deadline is Wednesday April 7
                     FINAL CALL FOR PAPERS
International Workshop on Hybrid Logic and Applications (HyLo 2010)
                   Affiliated with LICS 2010
              July 10, 2010, Edinburgh, Scotland


Hybrid logic is an extension of modal logic which allows us to refer
explicitly to states of the model in the syntax of formulas.  This
extra capability, very natural in the realm of temporal logics, where
one usually wants to refer to specific times, has been shown very
effective in other domains too. Although they date back to the late
1960s, and have been sporadically investigated ever since, it was only
in the 1990s that work on them really got into its stride.

It is easy to justify interest in hybrid logic on applied grounds,
with the usefulness of the additional expressive power.  For example,
when reasoning about time one often wants to build up a series of
assertions about what happens at a particular instant, and standard
modal formalisms do not allow this. What is less obvious is that the
route hybrid logic takes to overcome this problem (the basic mechanism
being to add nominals - atomic symbols true at a unique point -
together with extra modalities to exploit them) often actually
improves the behaviour of the underlying modal formalism.  For
example, it becomes far simpler to formulate modal tableau,
resolution, and natural deduction in hybrid logic, and completeness
and interpolation results can be proved of a generality that is simply
not available in modal logic. That is, hybridization - adding nominals
and related apparatus - seems a fairly reliable way of curing many
known weaknesses in modal logic.

Hybrid logic is now a mature field with significant impact on a range
of other fields, including

- description logic,
- applied modal logics,
- temporal logic,
- memory logics,
- memoryful logics,
- reactive logic,
- labelled deduction, and
- feature logic.

The topic of the HyLo workshop of 2010 is hybrid logic and its
applications, for instance within the fields mentioned above.  The
scope is not only standard hybrid-logical machinery like nominals,
satisfaction operators, and the downarrow binder but, more generally,
extensions of modal logic that increase its expressive power.

The workshop continues a series of previous workshops on hybrid logic
and applications, for example the LICS-affiliated HyLo 2002
( and HyLo 2006
( which both were held as part of FLoC.


Please use the HyLo 2010 submission page to submit papers
(  Papers should
not exceed 15 pages including references.  The revised versions of
accepted papers will be published online in a volume of Elsevier
Electronic Notes in Theoretical Computer Science (ENTCS). A
preliminary version of the proceedings will be distributed at the
workshop. Authors are invited to submit papers in the following two

- Regular papers describing original research.
- Presentation-only papers describing work recently published or

The presentation-only papers will be included in the preliminary
proceedings, but not in the final proceedings in ENTCS.  One author
for each accepted paper must attend the workshop in order to present
the paper. Authors are strongly encouraged to prepare their
submissions according to the ENTCS guidelines (

Important Dates
Deadline for submissions: April 7, 2010 (strict)
Notification of acceptance: May 1, 2010
Deadline for final versions:  May 17, 2010

Invited Speakers
- Moshe Vardi, Rice University, USA
- Gert Smolka, Saarland University, Germany

Program Committee
Carlos Areces (INRIA Lorraine, France)
Patrick Blackburn (INRIA Lorraine, France)
Thomas Bolander (Technical University of Denmark), Co-chair
Torben Braüner (Roskilde University, Denmark), Co-chair
Stephane Demri (ENS de Cachan, France)
Mai Gehrke (Radboud Universiteit Nijmegen, The Netherlands)
Valentin Goranko (Technical University of Denmark)
Valeria de Paiva (Cuil Inc., USA)
Thomas Schneider (University of Manchester)

Contact Details
See the workshop home page ( for
further information. Please send all correspondence regarding the
workshop to the organizers:

Thomas Bolander

Torben Braüner

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