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Full Abstraction for the Resource Lambda Calculus with Tests, through Taylor Expansion

Thomas Ehrhard ; Antonio Bucciarelli ; Alberto Carraro ; Giulio Manzonetto.

We study the semantics of a resource-sensitive extension of the lambda calculus in a canonical reflexive object of a category of sets and relations, a relational version of Scott's original model of the pure lambda calculus. This calculus is related to Boudol's resource calculus and is derived from&nbsp;[&hellip;]

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Acyclic Solos and Differential Interaction Nets

Thomas Ehrhard ; Olivier Laurent.

We present a restriction of the solos calculus which is stable under reduction and expressive enough to contain an encoding of the pi-calculus. As a consequence, it is shown that equalizing names that are already equal is not required by the encoding of the pi-calculus. In particular, the induced&nbsp;[&hellip;]

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Probabilistic call by push value

Thomas Ehrhard ; Christine Tasson.

We introduce a probabilistic extension of Levy's Call-By-Push-Value. This extension consists simply in adding a " flipping coin " boolean closed atomic expression. This language can be understood as a major generalization of Scott's PCF encompassing both call-by-name and call-by-value and featuring&nbsp;[&hellip;]

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Differentials and distances in probabilistic coherence spaces

Thomas Ehrhard.

In probabilistic coherence spaces, a denotational model of probabilistic functional languages, morphisms are analytic and therefore smooth. We explore two related applications of the corresponding derivatives. First we show how derivatives allow to compute the expectation of execution time in the&nbsp;[&hellip;]

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A coherent differential PCF

Thomas Ehrhard.

The categorical models of the differential lambda-calculus are additive categories because of the Leibniz rule which requires the summation of two expressions. This means that, as far as the differential lambda-calculus and differential linear logic are concerned, these models feature finite&nbsp;[&hellip;]

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