Please use this identifier to cite or link to this item:
doi:10.22028/D291-25818
Title: | Full abstraction for the second order subset of an ALGOL-like language (preliminary report) |
Author(s): | Sieber, Kurt |
Language: | English |
Year of Publication: | 1994 |
SWD key words: | Technische Informatik |
Free key words: | fully abstract models |
DDC notations: | 004 Computer science, internet |
Publikation type: | Report |
Abstract: | The search for fully abstract models of block structured languages with local variables began in the mid 80s. A series of observationalcongruences in [MeyerS88] revealed the shortcomings of existing models and served as test cases for new ones. The most recently developed models in [OHearnT93, Sieber93] could prove all these test equivalences, but it was not known whether they are fully abstract. In this paper we show that (a slight variant of) the model in [Sieber93] IS fully abstract for the second order subset of an ALGOL-like language (which subsumes all the test equivalences). The general technique for constructing our model is still the same as in [MeyerS88], namely we use `relationally structured locally complete partial orders` with `relation preserving locally continuous functions`. The particular model differs from the one in [MeyerS88] by having the `finest possible relation structure`, an idea which we have developed in [Sieber92] for constructing a fully abstract model for the second order subset of sequential PCF. The full abstraction proof also uses some ideas from [Sieber92], but for its main part we had to develop new techniques in order to cope with the more complicated (in comparison with PCF) setting of an ALGOL-like language. |
Link to this record: | urn:nbn:de:bsz:291-scidok-3783 hdl:20.500.11880/25874 http://dx.doi.org/10.22028/D291-25818 |
Series name: | Technischer Bericht / A / Fachbereich Informatik, Universität des Saarlandes |
Series volume: | 1994/01 |
Date of registration: | 23-Jun-2005 |
Faculty: | MI - Fakultät für Mathematik und Informatik |
Department: | MI - Informatik |
Collections: | SciDok - Der Wissenschaftsserver der Universität des Saarlandes |
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