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ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
— Recently Li and Xia have proposed a transmission scheme for wireless relay networks based on the Alamouti space time code and orthogonal frequency division multiplexing to comb...
SODA
2010
ACM
15 years 7 months ago
2010
ACM
Many combinatorial problems--such as the traveling salesman, feedback arcset, cutwidth, and treewidth problem-can be formulated as finding a feasible permutation of n elements. Ty...
FAW
2009
Springer
15 years 1 months ago
2009
Springer
Abstract. Computing the visibility polygon, VP, of a point in a polygonal scene, is a classical problem that has been studied extensively. In this paper, we consider the problem of...
DIAGRAMS
2008
Springer
14 years 11 months ago
2008
Springer
Visualizations of space, time, and agents (or objects) are ubiquitous in science, business, and everyday life, from weather maps to scheduling meetings. Effective communications, i...
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SIAMSC
2008
14 years 9 months ago
2008
In this paper, we develop an error estimator and an adaptive algorithm for efficient solution of parabolic partial differential equations. The error estimator assesses the discreti...