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math.PR2025
Concentration inequalities for random tensors
Roman Vershynin
We show how to extend several basic concentration inequalities for simple random tensors where all are independent random vectors in $\ma…
math.PR2025
Random matrices acting on sets: Independent columns
Yaniv Plan, Roman Vershynin
We study random matrices with independent subgaussian columns. Assuming each column has a fixed Euclidean norm, we establish conditions under which such matrices act as near-isomet…