A Uniform Approach To The Semantics Of Concurrency
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A Uniform Approach to the Semantics of Concurrency
The role of semantics is to allow reasoning about high-level programming languages through the use of models. Our research focuses on two approaches to semantics, Denotational Semantics and Operational Semantics, and their applications to languages supporting concurrent computation. In Denotational Semantics, mathematical models are studied which have the same operations on them as those that are available in the language (such as sequential composition and parallel composition, etc.) and a function is defined which assigns meanings in the model to programs in the language. This function should be compositional, i.e., a homomorphism with respect to the operations of the language. In this way, the meaning of a complicated program is made up as the composite of the meanings of its constituent parts, so the meanings of complicated programs can be understood in terms of the meanings of their simpler constituents. The other approach we study is Operational Semantics, where the meaning of a program is given by means of a Labelled Transition System which reflects the transitions of the program on an abstract machine. In the approach, and idealized implementation of the program is developed, and problems associated with implementation can be addressed in an abstract setting.
Lectures on Concurrency and Petri Nets
Author: Jörg Desel
language: en
Publisher: Springer Science & Business Media
Release Date: 2004-06-14
This tutorial volume originates from the 4th Advanced Course on Petri Nets, ACPN 2003, held in Eichstätt, Germany in September 2003. In addition to lectures given at ACPN 2003, additional chapters have been commissioned to give a well-balanced presentation of the state of the art in the area. This book will be useful as both a reference for those working in the area as well as a study book for the reader who is interested in an up-to-date overview of research and development in concurrent and distributed systems; of course, readers specifically interested in theoretical or applicational aspects of Petri nets will appreciate the book as well.
Applications and Theory of Petri Nets
This book constitutes the refereed proceedings of the 31st International Conference on Applications and Theory of Petri Nets and Other Models of Concurrency, PETRI NETS 2010, held in Braga, Portugal, in June 2010. The 16 revised papers classified as theory papers (10), application papers (2), and tool papers (4) were carefully reviewed and selected from 50 submissions. All current issues on research and development in the area of Petri nets and related models of concurrent systems are addressed, novel tools as well as substantial enhancements to existing tools are presented.