Search Results for author: Brendan Keith

Found 6 papers, 2 papers with code

Learning robust marking policies for adaptive mesh refinement

no code implementations13 Jul 2022 Andrew Gillette, Brendan Keith, Socratis Petrides

In this work, we revisit the marking decisions made in the standard adaptive finite element method (AFEM).

Learning orbital dynamics of binary black hole systems from gravitational wave measurements

1 code implementation25 Feb 2021 Brendan Keith, Akshay Khadse, Scott E. Field

We introduce a gravitational waveform inversion strategy that discovers mechanical models of binary black hole (BBH) systems.

Time Series Time Series Analysis

A priori error analysis of high-order LL* (FOSLL*) finite element methods

no code implementations17 Dec 2020 Brendan Keith

In turn, limited convergence rates appear because the regularity of this Lagrange multiplier is determined, in part, by the geometry of the domain.

Numerical Analysis Numerical Analysis 65N12, 65N15, 65N30

Adaptive sampling strategies for risk-averse stochastic optimization with constraints

no code implementations7 Dec 2020 Florian Beiser, Brendan Keith, Simon Urbainczyk, Barbara Wohlmuth

This method is applicable to a broad class of expectation-based risk measures and leads to a significant reduction in the individual gradient evaluations used to estimate the objective function gradient.

Stochastic Optimization Optimization and Control

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