The Kronecker Product SVD (KPSVD) is defined here. Given a target rank $r$, what is the error bound in terms of singular values $\sigma_i$ for $\|A - A_r\|_F$, where $A_r = \sum_{i=1}^r \sigma_iU_i \otimes V_i$?
2026-03-25 02:57:35.1774407455
Kronecker product SVD Error bound
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