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20232025
most citedHigher order multi-dimension reduction methods via Einstein product

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math.NA2025

Trace Ratio vs Ratio Trace Methods for Multidimensional Dimensionality Reduction

Alaeddine Zahir, Franck Dufrenois, Khalide Jbilou +1

We propose a higher-order dimensionality reduction framework based on the Trace Ratio (TR) optimization problem. We establish conditions for existence and uniqueness of solutions a…