,
Iwan Quémerais
,
Davide Sangiorgi
Creative Commons Attribution 4.0 International license
The π-calculus is the paradigmatical name-passing calculus. While being purely name-passing, it allows the representation of higher-order functions and store. We study how π-calculus processes can be controlled so that computations can only involve storage of first-order values. The discipline is enforced by a type system that is based on the notion of visibility, coming from game semantics. We discuss the impact of visibility on the behavioural theory. We propose characterisations of may-testing and barbed equivalence, based on (variants of) trace equivalence and labelled bisimilarity, in the case where computation is sequential, and in the case where computation is well-bracketed.
@InProceedings{hirschkoff_et_al:LIPIcs.CONCUR.2025.23,
author = {Hirschkoff, Daniel and Qu\'{e}merais, Iwan and Sangiorgi, Davide},
title = {{First-Order Store and Visibility in Name-Passing Calculi}},
booktitle = {36th International Conference on Concurrency Theory (CONCUR 2025)},
pages = {23:1--23:21},
series = {Leibniz International Proceedings in Informatics (LIPIcs)},
ISBN = {978-3-95977-389-8},
ISSN = {1868-8969},
year = {2025},
volume = {348},
editor = {Bouyer, Patricia and van de Pol, Jaco},
publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
address = {Dagstuhl, Germany},
URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2025.23},
URN = {urn:nbn:de:0030-drops-239737},
doi = {10.4230/LIPIcs.CONCUR.2025.23},
annote = {Keywords: process calculi, behavioural equivalence, type system}
}