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math.PR2021
A note on a confidence bound of Kuzborskij and Szepesvári
Omar Rivasplata
In an interesting recent work, Kuzborskij and Szepesvári derived a confidence bound for functions of independent random variables, which is based on an inequality that relates conc…
math.PR2011
Smallest singular value of sparse random matrices
Alexander Litvak, Omar Rivasplata
We extend probability estimates on the smallest singular value of random matrices with independent entries to a class of sparse random matrices. We show that one can relax a previo…