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2017 | OriginalPaper | Buchkapitel

Optimization Methods for Frame Conditioning and Application to Graph Laplacian Scaling

verfasst von : Radu Balan, Matthew Begué, Chae Clark, Kasso Okoudjou

Erschienen in: Frames and Other Bases in Abstract and Function Spaces

Verlag: Springer International Publishing

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Abstract

A frame is scalable if each of its vectors can be rescaled in such a way that the resulting set becomes a Parseval frame. In this paper, we consider four different optimization problems for determining if a frame is scalable. We offer some algorithms to solve these problems. We then apply and extend our methods to the problem of reweighing (finite) graph so as to minimize the condition number of the resulting Laplacian.

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Metadaten
Titel
Optimization Methods for Frame Conditioning and Application to Graph Laplacian Scaling
verfasst von
Radu Balan
Matthew Begué
Chae Clark
Kasso Okoudjou
Copyright-Jahr
2017
DOI
https://doi.org/10.1007/978-3-319-55550-8_3