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FOSSACS
2016
Springer

Join Inverse Categories as Models of Reversible Recursion

4 years 3 months ago
Join Inverse Categories as Models of Reversible Recursion
Recently, a number of reversible functional programming languages have been proposed. Common to several of these is the assumption of totality, a property that is not necessarily desirable, and certainly not required in order to guarantee reversibility. In a categorical setting, however, faithfully capturing partiality requires handling it as additional structure. Recently, Giles studied inverse categories as a model of partial reversible (functional) programming. In this paper, we show how additionally assuming the existence of countable joins on such inverse categories leads to a number of properties that are desirable when modelling reversible functional programming, notably morphism schemes for reversible recursion, a †-trace, and algebraic ω-compactness. This gives a categorical account of reversible recursion, and, for the latter, provides an answer to the problem posed by Giles regarding the formulation of recursive data types at the inverse category level.
Holger Bock Axelsen, Robin Kaarsgaard
Added 03 Apr 2016
Updated 03 Apr 2016
Type Journal
Year 2016
Where FOSSACS
Authors Holger Bock Axelsen, Robin Kaarsgaard
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