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Research map / Learning theory and algorithms / Matrix and tensor methods

Improved Algorithms for White-Box Adversarial Streams

ICML 2023 · Learning theory and algorithms › Matrix and tensor methods · approach: Sparse regression with guarantees · 0 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use SIS-based sketches to detect inputs that violate the k-sparsity promiseWhite-box k-sparse recovery · k-sparse recoveryspace: $\tilde{\mathcal{O}}(k)$ bitsHelped
Replace the previous L0 space bound with the sparse-recovery-based algorithmWhite-box L0 estimation · L0-norm estimationspace: $\tilde{\mathcal{O}}(n^{1-\varepsilon+c\varepsilon})$ -> $\tilde{\mathcal{O}}(n^{1-\varepsilon})$Helped
Use SIS-based sketches to detect rank above k and recover low-rank matricesWhite-box low-rank matrix recovery · low-rank matrix recoveryspace: $\tilde{\mathcal{O}}(nk)$ bitsHelped
Use low-rank recovery to solve rank decisionWhite-box rank decision · rank decisionspace: $\tilde{\mathcal{O}}(nk^2)$ -> $\tilde{\mathcal{O}}(nk)$Helped
Use deterministic Tutte-matrix entries and low-rank recoveryWhite-box maximum matching · maximum matchingspace: $\tilde{\mathcal{O}}(nk)$Helped
Apply SIS-based detection alongside a fast recovery schemeWhite-box robust PCA · robust PCAspace: $\tilde{\mathcal{O}}(nk+r)$ bitsHelped
Apply SIS-based detection alongside a fast tensor recovery schemeWhite-box low-rank tensor recovery · low-rank tensor recoveryspace: $\tilde{\mathcal{O}}(k(n_1 + \cdots n_d))$ bitsHelped

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