Yuxin Deng, Jiao tong University, China; University of New South Wales, Australia
Rob van Glabbeek, National ICT Australia; University of New South Wales, Australia
Chenyi Zhang, National ICT Australia; University of New South Wales, Australia
In 1992 Wang & Larsen extended the may- and must preorders of De Nicola and Hennessy to processes featuring probabilistic as well as nondeterministic choice. They concluded with two problems that have remained open throughout the years, namely to find complete axiomatisations and alternative characterisations for these preorders. This paper solves both problems for finite processes with silent moves. It characterises the may preorder in terms of simulation, and the must preorder in terms of failure simulation. It also gives a characterisation of both preorders using a modal logic. Finally it axiomatises both preorders over a probabilistic version of CSP.
Citation:
Yuxin Deng, Rob van Glabbeek, Matthew Hennessy, Carroll Morgan, Chenyi Zhang, "Characterising Testing Preorders for Finite Probabilistic Processes," lics, pp.313-325, 22nd Annual IEEE Symposium on Logic in Computer Science (LICS 2007), 2007