Results 81 to 90 of about 1,221 (189)

Three variations of observation equivalence preserving synthesis abstraction

open access: yes, 2011
In a previous paper we introduced the notion of synthesis abstraction, which allows efficient compositional synthesis of maximally permissive supervisors for large-scale systems of composed finite-state automata.
Mohajerani, Sahar   +3 more
core  

Twisted ambidexterity in equivariant homotopy theory

open access: yesJournal of Topology, Volume 19, Issue 2, June 2026.
Abstract We develop the concept of twisted ambidexterity in a parametrized presentably symmetric monoidal ∞$\infty$‐category, which generalizes the notion of ambidexterity by Hopkins and Lurie and the Wirthmüller isomorphisms in equivariant stable homotopy theory, and is closely related to Costenoble–Waner duality.
Bastiaan Cnossen
wiley   +1 more source

Characterizing Communication Channel Deadlocks in Sequence Diagrams

open access: yes, 2008
UML sequence diagrams (SDs) are a mainstay of requirements specifications for communication protocols. Mauw and Reniers' algebraic (MRA) semantics formally specifies a behaviour for these SDs that guarantees deadlock free processes.
Mitchell, Bill, B. Mitchell
core   +1 more source

Modal Logics are Coalgebraic

open access: yes, 2008
Applications of modal logics are abundant in computer science, and a large number of structurally different modal logics have been successfully employed in a diverse spectrum of application contexts.
Yde Venema   +14 more
core   +1 more source

Quantum automata and quantum grammars

open access: yes, 2000
To study quantum computation, it might be helpful to generalize structures from language and automata theory to the quantum case. To that end, we propose quantum versions of finite-state and push-down automata, and regular and context-free grammars.
Moore, Cristopher   +3 more
core   +1 more source

A side-channel attack against an automata theory based stream cipher (Logic, Language, Algebraic system and Related Areas in Computer Science)

open access: yesA side-channel attack against an automata theory based stream cipher (Logic, Language, Algebraic system and Related Areas in Computer Science)
In this paper we consider a finite automaton based stream cipher given by P. Dömösi and G. Horváth and we show its immunity in side-channel timing attack.
openaire  

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