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Structured sparse optimization is an important and challenging problem for analyzing high-dimensional data in a variety of applications such as bioinformatics, medical imaging, social networks, and astronomy. Although a number of structured sparsity models have been explored, such as trees, groups, clusters, and paths, connected subgraphs have been rarely explored in the current literature. One of...
The compute-and-forward scheme for wireless relay networks can achieve higher transmission rates than other existing relaying schemes, such as decode-and-forward. The compute-and-forward (CF) design involves finding an integer-valued coefficient vector at each relay so that the set of coefficient vectors form a full rank matrix allowing the destination to perform decoding. The CF design problem is...
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