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» On Coherence in Computer Algebra
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CONCUR
2007
Springer
15 years 4 months ago
On the Expressive Power of Global and Local Priority in Process Calculi
Priority is a frequently used feature of many computational systems. In this paper we study the expressiveness of two process algebras enriched with different priority mechanisms...
Cristian Versari, Nadia Busi, Roberto Gorrieri
PPAM
2007
Springer
15 years 4 months ago
Parallel Tiled QR Factorization for Multicore Architectures
As multicore systems continue to gain ground in the High Performance Computing world, linear algebra algorithms have to be reformulated or new algorithms have to be developed in or...
Alfredo Buttari, Julien Langou, Jakub Kurzak, Jack...
CCECE
2006
IEEE
15 years 4 months ago
A Formal CSP Framework for Message-Passing HPC Programming
To help programmers of high-performance computing (HPC) systems avoid communication-related errors, we employ a formal process algebra, Communicating Sequential Processes (CSP), w...
John D. Carter, William B. Gardner
SKG
2006
IEEE
15 years 4 months ago
Hierarchical Multicast Tree Algorithms of Data Grid
Data Grid is one of the important research subjects in the field of Grid Computing. To get a high efficiency of the system, this paper proposes a set of novel multicast algorithms...
Weijia Jia, Qingfeng Fan, Qiongli Wu, Yanxiang He
COMPGEOM
2006
ACM
15 years 3 months ago
The predicates for the Voronoi diagram of ellipses
This paper examines the computation of the Voronoi diagram of a set of ellipses in the Euclidean plane. We propose the first complete algorithms, under the exact computation para...
Ioannis Z. Emiris, Elias P. Tsigaridas, George M. ...