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We design a sublinear Fourier sampling algorithm for a case of sparse off-grid frequency recovery. These are signals with the form $$f(t) = \sum _{j=1}^k a_j \mathrm{e}^{i\omega _j t} + \int \nu (\omega )\mathrm{e}^{i\omega t}d\mu (\omega )$$ f ( t ) = ∑ j = 1 k a j e i ω j t + ∫ ν ( ω ) e i ω t d μ ( ω ) ; i.e., exponential polynomials with a noise term. The frequencies...
The current standard for intra-domain network routing, Open Shortest Path First (OSPF), suffers from a number of problems-the tunable parameters (the weights) are hard to optimize, the chosen paths are not robust under changes in traffic or network state, and some network links are over-used at the expense of others. We present prototypical scenarios that illustrate these problems. Then we propose...
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