Unless otherwise noted, all talks are in 120 Hanes Hall, at 3:30 PM on Mondays. Prior to the talk, from 3:00-3:30 PM, the audience is invited for refreshments in the lounge on the 3rd floor of Hanes Hall. If you would like to suggest a speaker, or get on our mailing list, please send an email to Dr. Gabor Pataki or Dr. Vladas Pipiras.
In addition to weekly colloquia and seminars, Hotelling lectures are held to honor the memory of Professor Harold Hotelling, first chairman of the “Department of Mathematical Statistics.”
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Title - Conditions for linear convergence of (stochastic) first order methods Abstract - For convex optimization problems deterministic first order methods have linear convergence when the objective function is smooth and strongly convex. Moreover, under the same conditions - smoothness and strong convexity - sublinear convergence rates have been derived for stochastic first order methods. However, in many applications (machine learning, statistics, control, signal processing) the strong convexity condition does not hold, but the objective function still has a special…Find out more »