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math.AG2022★ 9 cited
A Gap in the Subrank of Tensors
Matthias Christandl, Fulvio Gesmundo, Jeroen Zuiddam
The subrank of tensors is a measure of how much a tensor can be ''diagonalized''. This parameter was introduced by Strassen to study fast matrix multiplication algorithms in algebr…
cs.CC2022
Subrank and Optimal Reduction of Scalar Multiplications to Generic Tensors
Harm Derksen, Visu Makam, Jeroen Zuiddam
Since the seminal works of Strassen and Valiant it has been a central theme in algebraic complexity theory to understand the relative complexity of algebraic problems, that is, to…