Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Model Checking for Fragments of Halpern and Shoham's Interval Temporal
  Logic Based on Track Representatives   Model checking allows one to automatically verify a specification of the
expected properties of a system against a formal model of its behaviour
(generally, a Kripke structure). Point-based temporal logics, such as LTL, CTL,
and CTL*, that describe how the system evolves state-by-state, are commonly
used as specification languages. They proved themselves quite successful in a
variety of application domains. However, properties constraining the temporal
ordering of temporally extended events as well as properties involving temporal
aggregations, which are inherently interval-based, can not be properly dealt
with by them. Interval temporal logics (ITLs), that take intervals as their
primitive temporal entities, turn out to be well-suited for the specification
and verification of interval properties of computations (we interpret all the
tracks of a Kripke structure as computation intervals).
  We study the model checking problem for some fragments of Halpern and
Shoham's modal logic of time intervals (HS). HS features one modality for each
possible ordering relation between pairs of intervals (the so-called Allen's
relations). First, we describe an EXPSPACE model checking algorithm for the HS
fragment of Allen's relations meets, met-by, starts, started-by, and finishes,
which exploits the possibility of finding, for each track (of unbounded
length), an equivalent bounded-length track representative. While checking a
property, it only needs to consider tracks whose length does not exceed the
given bound. We prove the model checking problem for such a fragment to be
PSPACE-hard. Finally, we identify other well-behaved HS fragments which are
expressive enough to capture meaningful interval properties of systems, such as
mutual exclusion, state reachability, and non-starvation, and whose complexity
is less than or equal to that of LTL.

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The categories of this paper are: q-fin
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The categories of this paper are: dg-ga
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The categories of this paper are: hep-ph
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The categories of this paper are: acc-phys
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The categories of this paper are: bayes-an
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The categories of this paper are: nlin
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The categories of this paper are: q-alg
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The categories of this paper are: gr-qc
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The categories of this paper are: nucl-th
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The categories of this paper are: adap-org
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The categories of this paper are: cmp-lg
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The categories of this paper are: hep-th
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The categories of this paper are: hep-lat
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The categories of this paper are: solv-int
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The categories of this paper are: chem-ph
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The categories of this paper are: nucl-ex