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177
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PROCEDIA
2010
15 years 2 months ago
2010
We construct a new mimetic tensor artificial viscosity on general polyhedral meshes. The tensor viscosity is designed as a discretization of the differential operator div (u) with...
231
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CORR
2012
Springer
14 years 3 months ago
2012
Springer
We define the harmonic evolution of states of a graph by iterative application of the harmonic operator (Laplacian over Z2). This provides graphs with a new geometric context and...
173
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ISSAC
2005
Springer
16 years 27 days ago
2005
Springer
This paper describes a new method for computing the normal form of a polynomial modulo a zero-dimensional ideal I. We give a detailed description of the algorithm, a proof of its ...
194
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RIAO
2004
15 years 8 months ago
2004
We introduce a new method for automatically constructing concept hierarchies where the concept nodes follow a generalization / specialization relation. Starting from a set of conc...
216
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CTRSA
2007
Springer
15 years 9 months ago
2007
Springer
Abstract. Known compact e-cash schemes are constructed from signature schemes with efficient protocols and verifiable random functions. In this paper, we introduce a different ap...