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Modular coinduction up-to for higher-order languages via first-order transition systems

Jean-Marie Madiot ; Damien Pous ; Davide Sangiorgi.

The bisimulation proof method can be enhanced by employing `bisimulations up-to' techniques. A comprehensive theory of such enhancements has been developed for first-order (i.e., CCS-like) labelled transition systems (LTSs) and bisimilarity, based on abstract fixed-point theory and compatible&nbsp;[&hellip;]

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On Tools for Completeness of Kleene Algebra with Hypotheses

Damien Pous ; Jurriaan Rot ; Jana Wagemaker.

In the literature on Kleene algebra, a number of variants have been proposed which impose additional structure specified by a theory, such as Kleene algebra with tests (KAT) and the recent Kleene algebra with observations (KAO), or make specific assumptions about certain constants, as for instance&nbsp;[&hellip;]

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Fully Abstract Encodings of $\lambda$-Calculus in HOcore through Abstract Machines

Małgorzata Biernacka ; Dariusz Biernacki ; Sergueï Lenglet ; Piotr Polesiuk ; Damien Pous ; Alan Schmitt.

We present fully abstract encodings of the call-by-name and call-by-value $\lambda$-calculus into HOcore, a minimal higher-order process calculus with no name restriction. We consider several equivalences on the $\lambda$-calculus side -- normal-form bisimilarity, applicative bisimilarity, and&nbsp;[&hellip;]

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