Arash Sarshar

According to our database, Arash Sarshar authored at least 14 papers between 2016 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Improving the Adaptive Moment Estimation (ADAM) stochastic optimizer through an Implicit-Explicit (IMEX) time-stepping approach.

Abhinab Bhattacharjee, Andrey A. Popov, Arash Sarshar, Adrian Sandu

CoRR, 2024

2022

A Fast Time-Stepping Strategy for Dynamical Systems Equipped with a Surrogate Model.

Steven Roberts, Andrey A. Popov, Arash Sarshar, Adrian Sandu

SIAM J. Sci. Comput., 2022

A unified formulation of splitting-based implicit time integration schemes.

Severiano González-Pinto, Domingo Hernández-Abreu, Maria S. Pérez-Rodríguez, Arash Sarshar, Steven Roberts, Adrian Sandu

J. Comput. Phys., 2022

A Meta-learning Formulation of the Autoencoder Problem for Non-linear Dimensionality Reduction.

Andrey A. Popov, Arash Sarshar, Austin Chennault, Adrian Sandu

CoRR, 2022

Physics-informed neural networks for PDE-constrained optimization and control.

Jostein Barry-Straume, Arash Sarshar, Andrey A. Popov, Adrian Sandu

CoRR, 2022

2021

Implicit Multirate GARK Methods.

Steven Roberts, John Loffeld, Arash Sarshar, Carol S. Woodward, Adrian Sandu

J. Sci. Comput., 2021

Alternating directions implicit integration in a general linear method framework.

Arash Sarshar, Steven Roberts, Adrian Sandu

J. Comput. Appl. Math., 2021

2020

Coupled Multirate Infinitesimal GARK Schemes for Stiff Systems with Multiple Time Scales.

Steven Roberts, Arash Sarshar, Adrian Sandu

SIAM J. Sci. Comput., 2020

A fast time-stepping strategy for ODE systems equipped with a surrogate model.

Steven Roberts, Andrey A. Popov, Arash Sarshar, Adrian Sandu

CoRR, 2020

Parallel implicit-explicit general linear methods.

Steven Roberts, Arash Sarshar, Adrian Sandu

CoRR, 2020

2019

Design of High-Order Decoupled Multirate GARK Schemes.

Arash Sarshar, Steven Roberts, Adrian Sandu

SIAM J. Sci. Comput., 2019

Alternating Directions Implicit Integration in a General Linear Method Framework.

Arash Sarshar, Adrian Sandu

CoRR, 2019

2017

Analytical Jacobian-vector products for the matrix-free time integration of partial differential equations.

Paul Tranquilli, Ross Glandon, Arash Sarshar, Adrian Sandu

J. Comput. Appl. Math., 2017

2016

A Numerical Investigation of Matrix-Free Implicit Time-Stepping Methods for Large CFD Simulations.

Arash Sarshar, Paul Tranquilli, Brent Pickering, Andrew McCall, Adrian Sandu, Christopher J. Roy

CoRR, 2016