828 search results - page 75 / 166 » Inverse Tension Problems |
155
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JMLR
2010
14 years 11 months ago
2010
An algorithm is presented for topology selection in graphical models of autoregressive Gaussian time series. The graph topology of the model represents the sparsity pattern of the...
120
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RSS
2007
15 years 5 months ago
2007
Abstract— We address the problem of surveillance in an environment with obstacles. We show that the problem of tracking an evader with one pursuer around one corner is completely...
117
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FOCS
1998
IEEE
15 years 8 months ago
1998
IEEE
We show that approximating the shortest vector problem (in any p norm) to within any constant factor less than p 2 is hard for NP under reverse unfaithful random reductions with i...
132
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FUIN
2010
15 years 2 months ago
2010
Abstract. A (combinatorial) channel consists of pairs of words representing all possible inputoutput channel situations. In a past paper, we formalized the intuitive concept of “...
127
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SIAMREV
2011
14 years 7 months ago
2011
The Gaussian plume model is a standard approach for studying the transport of airborne contaminants due to turbulent diffusion and advection by the wind. This paper reviews the as...