Program for Monday, March 26th: Talk View

PROGRAM FOR MONDAY, MARCH 26TH: TALK VIEW

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7:30

8:00

8:30

9:00

9:30

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10:30

11:00

11:30

12:00

12:30

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18:30

07:30-08:30 Breakfast [Copper Conference Center]

08:00-08:25

Scalable Spectral Clustering. Room: Bighorn B. Chair: Geoff Sanders

Andrew Knyazev

08:25-08:50

A domain decomposition approach for object recognition

Jingwei Li, Xiao-Chuan Cai

08:50-09:15

Multigrid Method as Convolutional Neural Network

Sarah Gage, Jed Brown

09:15-09:40

Applications of Spectral Clustering to Signed Graph Matrix Representations

Alyson Fox, Geoff Sanders, Andrew Knyazev

09:40-10:05

An Optimal Control Framework for Efficient Training of Deep Neural Networks

Lars Ruthotto, Eldad Haber

08:00-08:25

Robust Nonlinear Optimization

Sven Leyffer

08:25-08:50

Derivative-Free Robust Optimization by Outer Approximations

Matt Menickelly, Stefan Wild

08:50-09:15

Inexact bundle methods for nonsmooth nonconvex optimization in Hilbert space

Michael Ulbrich, Lukas Hertlein

09:15-09:40

A Globally Convergent Cutting-Plane Method for Simulation-Based Optimization with Integer

Jeffrey Larson, Sven Leyffer, Prashant Palkar, Stefan Wild

09:40-10:05

A locally adapted reduced basis method for solving risk-averse PDE- constrained optimization

Drew Kouri, Zilong Zou, Wilkins Aquino

08:00-08:25

Parallel Algebraic Multigrid with Node-Aware Communication

Amanda Bienz, Luke Olson

08:25-08:50

Optimization of processor allocation for domain decomposed Monte Carlo calculations

John Ellis

08:50-09:15

Experience porting Monte Carlo particle transport to GPUs

Steven Hamilton, Thomas Evans, Stuart Slattery

09:15-09:40

GPUDirect Async: GPU synchronous communication techniques applied to multi-grid methods

Elena Agostini

09:40-10:05

RESILIENCE OF THE FINE-GRAINED PARALLEL INCOMPLETE LU FACTORIZATION FOR NON-SYMMETRIC PROBLEMS

Masha Sosonkina, Evan Coleman

10:05-10:25 Coffee & Tea Service

10:25-10:50

A parallel hierarchical low-rank Schur complement preconditioner for indefinite linear systems

Vasileios Kalantzis, Geoffrey Dillon, Yuanzhe Xi, Yousef Saad

10:50-11:15

Effective and Robust SIF Preconditioners for General SPD Matrices

Jianlin Xia, Zixing Xin

11:15-11:40

A Distributed-Memory Hierarchical Solver for General Sparse Linear Systems

Chao Chen, Hadi Pouransari, Sivasankaran Rajamanickam, Erik Boman, Eric Darve

11:40-12:05

Low-rank approximation of matrices in BEM applications

Darve, Xu, Ashcraft, Cambier, L’eplattenier, Rouet, Huang

12:05-12:30

An efficient method for block low-rank approximations for kernel matrix systems

Xin Xing, Edmond Chow

10:25-10:50

Towards a Scalable Parallel-in-Time Full Space Optimization Algorithm

Eric C. Cyr, Denis Ridzal

10:50-11:15

Sensitivity Analysis for PDE-Constrained Optimization

Bart van Bloemen Waanders, Joey Hart

11:15-11:40

A Bundle Trust Region Method for Shape Optimization with Stress Constraints for Contact Problems based on Isogeometric

Benjamin Horn, Stefan Ulbrich

11:40-12:05

Global optimization of mixed-integer ODE constrained network problems with application to stationary gas

Stefan Ulbrich, Oliver Habeck, Marc E. Pfetsch

12:05-12:30

Shape optimization for unsteady fluid-structure interaction

Johannes Haubner, Michael Ulbrich

10:25-10:50

High-Order Hybridized Discontinuous Galerkin (HDG) Method and a Multigrid solver for Magnetohydrodynamic

Tan Bui-Thanh, Sriramkrishnan Muralikrishnan, Tim Wildey, John Shadid

10:50-11:15

Benchmarking Fully-Implicit Discretizations of Multi-fluid Plasma-electromagnetic Models for Pulsed Power

Kris Beckwith

11:15-11:40

Monolithic Multigrid for a Mixed-Method Finite-Element Formulation of Incompressible, Resistive

James Adler, Thomas Benson, Scott MacLachlan

11:40-12:05

Block Preconditioning Informed by Plasma Timescales

Edward Phillips, John Shadid, Eric Cyr, Sean Miller

12:05-12:30

Progress on Schwarz-type coupling of core- and edge-region magnetic fusion simulations

Lee Ricketson, Ammar Hakim, Jeffrey Hittinger

16:30-16:55

A Damped Row Access Method for Solving Ill-Posed Massive Least Squares Problems

Tanner Slagel

16:55-17:20

A Sampling-based Method for Solving Linear Systems

Erin Carrier, Michael Heath

17:20-17:45

Iterative projective approach for highly corrupted linear systems

Jamie Haddock, Deanna Needell

17:45-18:10

Analysis of Randomized Subspace Iteration: New insights into an old algorithm

Arvind Saibaba

18:10-18:35

Matrix-free construction of HSS representations using adaptive randomized sampling

X. Sherry Li, Chris Gorman, Gustavo Chavez, Pieter Ghysels

16:30-16:55

An Uncertainty-Weighted Asynchronous ADMM Method for Large-Scale PDE Parameter Estimation

Samy Wu Fung, Lars Ruthotto

16:55-17:20

A Newton-Based Optimization Method for Quantitative Photo-Acoustic Tomography

Katrina E. Petroske

17:20-17:45

Subspace recycling for a sequence of linear problems with general-form Tikhonov regularization

Eric de Sturler, Misha E. Kilmer

17:45-18:10

Multilevel Preconditioning for Ridge Regression

Joris Tavernier, Jaak Simm, Karl Meerbergen, Yves Moreau

18:10-18:35

Singular Value Analysis of Joint Inversion

Jodi Mead, James Ford

16:30-16:55

An implicit, conservative, hybrid particle-kinetic-ion fluid-electron algorithm

Adam Stanier, Luis Chacon, Guangye Chen

16:55-17:20

Multiscale Radiation Transport Method for Eulerian Radiation-Hydrodyamics

Hyeongkae Park, Rick Rauenzahn, Aimee Hungerford

17:20-17:45

High-Order Low-Order Nonlinear Convergence Accelerator for the Rosenbluth-Fokker-Planck Collision

William Taitano, Luis Chacon, Andrei Simakov

17:45-18:10

A framework for microscopic/macroscopic simulations of magnetized plasmas

Gian Luca Delzanno, Oleksandr Koshkarov, Vadim Roytershteyn, Gianmarco Manzini

18:10-18:35

A low-dispersion, energy-conserving relativistic particle-in-cell algorithm for laser-plasma interaction

Guangye Chen, Luis Chacon, Lin Yin, Brian Albright, David Stark, Bob Bird