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Non-Deterministic Kleene Coalgebras

Alexandra Silva ; Marcello Bonsangue ; Jan Rutten.

In this paper, we present a systematic way of deriving (1) languages of (generalised) regular expressions, and (2) sound and complete axiomatizations thereof, for a wide variety of systems. This generalizes both the results of Kleene (on regular languages and deterministic finite automata) and&nbsp;[&hellip;]

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Generalizing determinization from automata to coalgebras

Alexandra Silva ; Filippo Bonchi ; Marcello Bonsangue ; Jan Rutten.

The powerset construction is a standard method for converting a nondeterministic automaton into a deterministic one recognizing the same language. In this paper, we lift the powerset construction from automata to the more general framework of coalgebras with structured state spaces. Coalgebra is an&nbsp;[&hellip;]

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