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Brendan O'Donoghue

Researcher at Google

Publications -  48
Citations -  5642

Brendan O'Donoghue is an academic researcher from Google. The author has contributed to research in topics: Reinforcement learning & Convex optimization. The author has an hindex of 22, co-authored 48 publications receiving 4408 citations. Previous affiliations of Brendan O'Donoghue include Stanford University.

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Fast Alternating Direction Optimization Methods

TL;DR: This paper considers accelerated variants of two common alternating direction methods: the alternating direction method of multipliers (ADMM) and the alternating minimization algorithm (AMA), of the form first proposed by Nesterov for gradient descent methods.
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Adaptive Restart for Accelerated Gradient Schemes

TL;DR: In this paper, a simple heuristic adaptive restart technique that can dramatically improve the convergence rate of accelerated gradient schemes is proposed. But it is not known whether the adaptive restart interval is proportional to the square root of the local condition number of the objective function.
Journal ArticleDOI

Conic Optimization via Operator Splitting and Homogeneous Self-Dual Embedding

TL;DR: In this article, the alternating directions method of multipliers is used to solve the homogeneous self-dual embedding, an equivalent feasibility problem involving finding a nonzero point in the intersection of a subspace and a cone.
Posted Content

Adversarial Risk and the Dangers of Evaluating Against Weak Attacks

TL;DR: In this paper, the authors use adversarial risk as an objective, although it cannot easily be computed exactly, and frame commonly used attacks and evaluation metrics as defining a tractable surrogate objective to the true adversarial risks.