273 search results - page 6 / 55 » On periodicity of two-dimensional words |
ITA
2008
14 years 9 months ago
2008
The necessary and sufficient conditions are extracted for periodicity of bi-ideals. By the way two proper subclasses of uniformly recurrent words are introduced.
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SIAMSC
2010
14 years 7 months ago
2010
In this paper we propose a class of high order numerical methods to delta function integrals appearing in level set methods in the three dimensional case by extending the idea for ...
SIAMNUM
2011
14 years 4 months ago
2011
The paper presents a generalization of Arnold-Falk-Winther elements for linear elasticity, to meshes with elements of variable order. The generalization is straightforward but the ...
SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
We present several methods for mining knowledge from the query logs of the MSN search engine. Using the query logs, we build a time series for each query word or phrase (e.g., `Th...
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
Abstract— In this paper, the performance of a downlink synchronous MC-CDMA system with joint frequency-time domain spreading over time-variant frequency-selective Rayleigh fading...