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FSTTCS
2009
Springer
14 years 2 months ago
2009
Springer
We present a symbolic framework for refinement and composition of security protocols. ework uses the notion of ideal functionalities. These are abstract systems which are secure b...
FSTTCS
2009
Springer
14 years 2 months ago
2009
Springer
ABSTRACT. We consider concurrent systems that can be modelled as 1-safe Petri nets communicating through a fixed set of buffers (modelled as unbounded places). We identify a param...
FSTTCS
2009
Springer
14 years 2 months ago
2009
Springer
In this paper, we initiate the study of designing approximation algorithms for FaultTolerant Group-Steiner (FTGS) problems. The motivation is to protect the well-studied group-Ste...
FSTTCS
2009
Springer
14 years 2 months ago
2009
Springer
We introduce and study the donation center location problem, which has an additional application in network testing and may also be of independent interest as a general graph-theor...
FSTTCS
2009
Springer
14 years 2 months ago
2009
Springer
ABSTRACT. A non-local box is an abstract device into which Alice and Bob input bits x and y respectively and receive outputs a and b respectively, where a, b are uniformly distribu...