“…The natural coinductive definition of bisimulation does not lead to a guarded system for the Z f 's. However, for regular bisimulation, an alternative characterization leads to an inductive definition as we now explain (see also [58,65]). Recall the definition of the finite-depth approximants ∼ 0 ⊇ ∼ 1 ⊇ ∼ 2 ⊇ · · · of bisimulation:…”
Section: Theorem 32 Model Checking B(∃u ∃X ∧ ∨ ¬) Is Decidable Fomentioning
confidence: 96%
“…In process algebra, so-called "regular" equivalences and preorders are behavioral relations between an arbitrary labeled transition system and a finite-state one (which is usually taken as a specification of the other process) [58,65].…”
Section: Regular Simulation For Monotonic Counter Systemsmentioning
We prove a general finite-time convergence theorem for fixpoint expressions over a well-quasi-ordered set. This has immediate applications for the verification of wellstructured systems, where a main issue is the computability of fixpoint expressions, and in particular for game-theoretical properties and probabilistic systems where nesting and alternation of least and greatest fixpoints are common.
“…The natural coinductive definition of bisimulation does not lead to a guarded system for the Z f 's. However, for regular bisimulation, an alternative characterization leads to an inductive definition as we now explain (see also [58,65]). Recall the definition of the finite-depth approximants ∼ 0 ⊇ ∼ 1 ⊇ ∼ 2 ⊇ · · · of bisimulation:…”
Section: Theorem 32 Model Checking B(∃u ∃X ∧ ∨ ¬) Is Decidable Fomentioning
confidence: 96%
“…In process algebra, so-called "regular" equivalences and preorders are behavioral relations between an arbitrary labeled transition system and a finite-state one (which is usually taken as a specification of the other process) [58,65].…”
Section: Regular Simulation For Monotonic Counter Systemsmentioning
We prove a general finite-time convergence theorem for fixpoint expressions over a well-quasi-ordered set. This has immediate applications for the verification of wellstructured systems, where a main issue is the computability of fixpoint expressions, and in particular for game-theoretical properties and probabilistic systems where nesting and alternation of least and greatest fixpoints are common.
“…• s tt for every process s. • L(EU ) is the logic proposed by de Nicola and Vaandrager in [10] which modally characterizes branching bisimilarity; • L(EX , EF, EF ) is the logic used in [17] to construct characteristic formulae w.r.t. full and weak bisimilarity for finite-state systems.…”
Section: Encoding Mt B Equivalence Into Modal Logicmentioning
We introduce a generic family of behavioral relations for which the regular equivalence problem (i.e., comparing an arbitrary transition system to some finite-state specification) can be reduced to the model checking problem against simple modal formulae. As an application, we derive decidability of several regular equivalence problems for well-known families of infinite-state systems.
“…The MSA class can be defined as BPP systems extended with a finite state control unit. A systematic state extension of all PRS classes, denoted by the prefix se-, is considered in [5]. Clearly, the classes of FS, PDA and PN coincide with their respective state-extended counterparts, and seBPA coincides with the PDA class.…”
We show that the class of Petri nets is less expressive with respect to bisimulation equivalence than the class of PA processes extended with a finite state control unit.
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