Barrier synchronization is a commonly used primitive in parallel processing, but has traditionally been implemented only on hardware multiprocessors. With the growing interest in concurrent comput.ng on general purpos...
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The network time protocol (NTP) is being used throughout the Internet to provide an accurate time service. The author examines the security requirements of such a service, analyzes version 2 of the NTP protocol to det...
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We present design and implementation strategies for providing general purpose distributed comput.ng primitives on comput.r networks. This suite of primitives is intended to be a framework within which distributed and ...
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One of the strange phenomena associated with the Radon Transform is the following: In odd dimensions local values of a function f : Rn → R can be determined by local measurements of the integrals of f over n - 1 dime...
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Concurrent and distributed comput.ng, using portable software systems or environments on general purpose networked comput.ng platforms, has recently gained widespread attention. Many such systems have been developed, ...
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In this paper, an equivalent condition of a graph G with t （2≤ t ≤n） distinct Laplacian eigenvalues is established. By applying this condition to t = 3, if G is regular （necessarily be strongly regular）, an equi...
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In this paper, an equivalent condition of a graph G with t （2≤ t ≤n） distinct Laplacian eigenvalues is established. By applying this condition to t = 3, if G is regular （necessarily be strongly regular）, an equivalent condition of G being Laplacian integral is given. Also for the case of t = 3, if G is non-regular, it is found that G has diameter 2 and girth at most 5 if G is not a tree. Graph G is characterized in the case of its being triangle-free, bipartite and pentagon-free. In both cases, G is Laplacian integral.
The author introduces the theory of pattern recognition using class 2 dynamical systems. In particular, the theory of fractal learning is considered, and fractal learning theory is applied to character recognition. Fr...
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We investigate a program behavior model that generates address reference strings including the interreference durations. This model views a trace as the sample path of a semi-Markov process. The transition probability...
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The reliability functions introduced are possibilistic extensions of the classical probabilistic reliability function. In the past, the concept reliability of a system has been defined in a probabilistic way, while th...
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In September of 1994 a workshop was held at Argonne National Laboratory on implementation issues for MPI. MPI is a standard message-passing library interface developed during 1993 and 1994 by the MPI Forum, a broadly ...
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