Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [ccs]

CCS (Calculus of Communicating Systems) is a process calculus, one of the major models of concurrency, intended for modeling communications between two participants

11
votes
2answers
202 views

CCS process for a drink dispenser with two different prices

A drink dispenser requires the user to insert a coin ($\bar c$), then press one of three buttons: $\bar d_{\text{tea}}$ requests a cup of tea $e_{\text{tea}}$, ditto for coffee, and $\bar r$ requests ...
4
votes
1answer
48 views

Are two CCS processes equivalent with respect to weak bisimilarity if and only if they satisfy exactly the same set of HML formulas?

I was skimming this recent paper and I was struck by the following statement: two processes are equivalent with respect to weak bisimilarity if and only if they satisfy exactly the same set of HML ...
2
votes
1answer
40 views

Restriction and re-labeling on CCS

In a process like $$ R \stackrel{def}=((a.\bar{b}.0)\setminus\{b\})[a\to b]\mid(\bar{b}.b.0)+\bar{b}.c.0 $$ $b$ is restricted to perform on the inner process of RHS $(a.\bar{b}.0)\setminus\{b\}$, ...
1
vote
1answer
74 views

CCS synchronization

Within CSS we talk about binary interactions. Does this prevent synchronizing multiple processes in one step? Example: $P_1 ::= a.D$ $P_2 ::= \overline{a}.D$ $P_3 ::= a.D$ Let's consider the ...
1
vote
1answer
26 views

How to draw an LTS based on the parallel process “|” in CCS Milner's logic?

I'm trying to provide a Hennessy-Milner logic formula for CCS expressions that are not (strongly) bisimilar. An example with a sketch: For each of the following CCS expressions, decide whether ...