Biernacki, Dariusz and Lenglet, Sergueï and Polesiuk, Piotr - Bisimulations for Delimited-Control Operators

lmcs:4458 - Logical Methods in Computer Science, May 24, 2019, Volume 15, Issue 2 -
Bisimulations for Delimited-Control Operators

Authors: Biernacki, Dariusz and Lenglet, Sergueï and Polesiuk, Piotr

We present a comprehensive study of the behavioral theory of an untyped $\lambda$-calculus extended with the delimited-control operators shift and reset. To that end, we define a contextual equivalence for this calculus, that we then aim to characterize with coinductively defined relations, called bisimilarities. We consider different styles of bisimilarities (namely applicative, normal-form, and environmental) within a unifying framework, and we give several examples to illustrate their respective strengths and weaknesses. We also discuss how to extend this work to other delimited-control operators.

Volume: Volume 15, Issue 2
Published on: May 24, 2019
Submitted on: April 24, 2018
Keywords: Computer Science - Logic in Computer Science


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