Author

Gianfranco Verzella

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Open access Dec 2024

Randomized Algorithms for Streaming Low‐Rank Approximation in Tree Tensor Network Format

This work presents the tree tensor network Nyström (TTNN), an algorithm that extends recent research on streamable tensor approximation to the more general tree tensor network format, enabling a unified treatment of various existing methods.

Alberto Bucci, Gianfranco Verzella · Numerical Linear Algebra wit... · 3 citations

Open access Jul 2026

Randomized Algorithms for Streaming Low‐Rank Approximation in Tree Tensor Network Format

In this work, we present the tree tensor network Nyström (TTNN), an algorithm that extends recent research on streamable tensor approximation, such as for Tucker and tensor‐train formats, to the more general tree tensor network format, enabling a unified treatment of various existing methods. Our method retains the k...

Alberto Bucci, Gianfranco Verzella · Numerical Linear Algebra wit... · 0 citations