Download e-book for iPad: Concurrency Theory: Calculi and Automata for Modelling by Howard Bowman

By Howard Bowman

ISBN-10: 1846283361

ISBN-13: 9781846283369

ISBN-10: 1852338954

ISBN-13: 9781852338954

Concurrency Theory is a synthesis of 1 of the main threads of theoretical desktop technological know-how study targeting languages and graphical notations for describing collections of at the same time evolving elements that have interaction via synchronous communique. the most specification notation concerned with during this e-book is LOTOS. an in depth advent to this actual method calculus is given, highlighting how the strategy differs from competitor concepts, similar to CCS and CSP.

The e-book covers linear-time semantics, in accordance with lines; branching-time semantics, utilizing either categorised transition structures and refusals; and real concurrency semantics, utilizing (bundle) occasion constructions. additionally, the e-book discusses speaking automata techniques (both finite and endless state); how the idea should be generalised to the timed environment; and, eventually, the authors generalise the (finite and limitless nation) speaking automata notations to yield timed automata and discrete timed automata.

This booklet represents a entire go through the spectrum of concurrency conception learn: From untimed to timed syntax and semantics and approach calculi to automata. Researchers and practitioners within the box of concurrency thought, in addition to MSc and PhD scholars, will locate the great assurance during this e-book crucial reading.

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Extra info for Concurrency Theory: Calculi and Automata for Modelling Untimed and Timed Concurrent Systems

Example text

To complete the set of processes in the communication protocol example, the receiver process and acknowledgement mediums can be specified as follows: Receiver [put, receive, sendAck] := receive ; put ; sendAck ; Receiver [put, receive, sendAck] AckM edium [sendAck, receiveAck] := sendAck ; receiveAck ; AckM edium [sendAck, receiveAck] As indicated earlier, we have assumed a reliable acknowledgement medium. Thus, the receiver simply receives messages and sends acknowledgements and the acknowledgement medium passes these messages on (and does not lose any of them).

One particular area of redefinition is the data part, which in its original form was seen to be very cumbersome and a hindrance to the uptake of the language. The ACTONE notation has been replaced with a functional notation. We discuss these revisions in Chapter 6. It is quite easy though to view the behavioural and data parts as distinct. In fact, here we are almost exclusively interested in the behavioural part. e. just the behavioural part). We also subdivide basic LOTOS, because the full behavioural language contains a lot of syntax that is somewhat cumbersome to carry around when looking at the theoretical properties of the language.

7. In the standard LOTOS language, the relabelling operator is not available to the specifier, rather it is used in defining the semantics of the language. e. renaming through binding actual gate names to formal gate names is viewed to be more usable from the specifier’s point of view. However, the basic form is really just syntactic sugar for direct application of the relabelling operator. In particular, an invocation, P [y1 , . . , yn ] of a process definition, P [x1 , . . , P [y1 /x1 , . . , yn /xn ] with a process definition, P := B This approach of completely dividing the mechanisms for process invocation and the mechanisms for relabelling leads to more elegant semantic definitions and is thus, generally used in our chapters on semantics.

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Concurrency Theory: Calculi and Automata for Modelling Untimed and Timed Concurrent Systems by Howard Bowman


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