# Talks

These are all of my publications, external or internal. This includes local seminar talks and informal talks to current and prospective students. For a chronological list of external talks, split by type, see the relevant section of my CV.

### 2019

**Apr**

#### Numerical Methods for Data Science: Latent Factor Models, Part II

Special lecture series at University of Maryland, College Park

survey nmds topics
•
seminar external invited

#### Numerical Methods for Data Science: Latent Factor Models, Part I

Special lecture series at University of Maryland, College Park

survey nmds topics
•
seminar external invited

**Mar**

#### Global, Robust, Multi-Objective Optimization of Stellarators

Simons Collaboration on Hidden Symmetries and Fusion Energy Annual Meeting

stellarator
•
external invited

**Feb**

#### Nonlinear Eigenvalue Localization for Damping Bounds

SIAM Computational Science and Engineering 2019, Spokane

nep eigenbounds
•
minisymposium external invited

#### The Many Applications of Eigenvalues

University of Chicago Applied Math Club

survey
•
seminar local

**Jan**

#### Stochastic Linear Algebra for Scalable Gaussian Processes

Applied Mathematics Colloquium, Illinois Institute of Technology

gp kernel
•
colloquium external invited

#### Stochastic Linear Algebra for Scalable Gaussian Processes

CAM Colloquium, University of Chicago

gp kernel
•
colloquium external invited

### 2018

**Oct**

#### Stochastic Linear Algebra for Scalable Gaussian Processes

IEMS Seminar, Northwestern University

gp kernel
•
seminar external invited

**Sep**

#### LA Support for Scalable Kernel Methods

Workshop on Approximation Theory and Machine Learning, Purdue

gp kernel
•
meeting external invited

#### Understanding Graphs through Spectral Densities

LANS Seminar, Argonne National Lab

spechist
•
seminar local

**Jul**

#### Understanding Graphs through Spectral Densities

SIAM Network Science, Portland

spechist
•
meeting external invited plenary

**Jun**

#### Understanding Graphs through Spectral Densities

Seminar at Huazhong University of Science and Tech

spechist
•
seminar external invited

#### Understanding Graphs through Spectral Densities

ZY-INS Colloquium, Shanghai Jiao Tong University

spechist
•
colloquium external invited

#### Stochastic LA for Scaling GPs

International Workshop on Computational Math, Suzhou

gp kernel
•
meeting external invited

**Apr**

#### Multi-Objective Stochastic Optimization of Magnetic Fields

Simons Foundation Proposal Presentation

stellarator
•
external invited

**Mar**

#### A Scientific Computing Sampler

Cornell CAM PhD visit day

survey
•
local

### 2017

**Nov**

#### Scalable Algorithms for Kernel-Based Surrogates in Pediction and Optimization

Workshop on Surrogate Models and Coarsening Techniques, UCLA IPAM

gp kernel
•
meeting external invited

**Sep**

#### Stochastic LA for Scaling GPs

Cornell SCAN seminar

gp kernel
•
seminar local

**Jul**

#### Software for Parallel Global Optimization

Symposium for Christine Shoemaker

rbf globalopt
•
meeting local invited

#### Dynamics via Nonlinear Pseudospectra

Foundations of Computational Math 2017

nep eigenbounds
•
minisymposium external invited

**Jun**

#### Scientific Computing Sampler

Cornell-SJTU Visit Lightning Talks

survey
•
local

#### Stochastic estimators in Gaussian process kernel learning

Householder Symposium

gp kernel
•
meeting external invited poster

**Mar**

#### Fast Fingerprints for Power System Events

Cornell SCAN seminar

grid
•
seminar local

#### An Efficient Solver for Sparse Linear Systems based on Rank-Structured Cholesky Factorization

SIAM CSE 2017

rsc
•
minisymposium external invited

**Feb**

#### Model Reduction for Edge-Weighted Personalized PageRank

Berkeley CS Colloquium

pagerank
•
colloquium external invited

**Jan**

#### Nonlinear Eigenvalue Problems: Theory and Applications

Berkeley Applied Math Seminar

nep eigenbounds
•
seminar external invited

### 2016

**Dec**

#### Model Reduction for Edge-Weighted Personalized PageRank

NYU Numerical Analysis and Scientific Computing Seminar

pagerank
•
seminar external invited

**Oct**

#### Fast Fingerprints for Power System Events

Argonne National Lab

grid
•
seminar external invited

**Aug**

#### Fast Fingerprints for Power System Events

Lawrence Berkeley Lab

grid
•
seminar external invited

**Jul**

#### Celebrating Charlie

SIAM Annual Meeting, Boston

survey
•
minisymposium external organizer

#### Density of States for Graph Analysis

SIAM Annual Meeting, Boston

spechist
•
meeting external poster

#### Fast Fingerprints for Power System Events

CompSustNet 2016 Workshop, Cornell University

grid
•
meeting local

**Apr**

#### Model Reduction for Edge-Weighted Personalized PageRank

Purdue Computational and Applied Mathematics Seminar

pagerank
•
seminar external invited

**Mar**

#### Model Reduction for Edge-Weighted Personalized PageRank

Hong Kong Baptist University

pagerank
•
seminar external invited

#### An Efficient Solver for Sparse Linear Systems based on Rank-Structured Cholesky Factorization

TSIMF Workshop on Structured Matrix Computations with Applications

rsc
•
meeting external invited

#### Nonlinear Eigenvalue Problems: Theory and Applications

University of Arizona Math Colloquium

nep eigenbounds
•
colloquium external invited

**Feb**

#### Understanding graphs through spectral densities

Cornell SCAN Seminar

spechist
•
seminar local

**Jan**

#### Nonlinear Eigenvalue Problems: Theory and Applications

Cornell Applied Math Colloquium

nep eigenbounds
•
colloquium local

### 2015

**Dec**

#### Grumbles of a Numerical Analyst

Dagstuhl Seminar on Approximate and Probabilistic Computing

survey
•
meeting external invited

**Nov**

#### How to give a talk

Cornell Brownbag Seminar

survey
•
local

**Oct**

#### An Efficient Solver for Sparse Linear Systems based on Rank-Structured Cholesky Factorization

SIAM LA 2015

rsc
•
minisymposium external invited

#### Localizing Nonlinear Eigenvalue Problems: Theory and Applications

SIAM LA 2015 (Prize Lecture)

nep eigenbounds
•
meeting external invited plenary

#### Model Reduction for Edge-Weighted Personalized PageRank

Stanford LA/Opt Seminar

pagerank
•
seminar external invited

#### Model Reduction for Edge-Weighted Personalized PageRank

Berkeley Matrix Computations Seminar

pagerank
•
seminar external invited

**Aug**

#### Edge-Weighted Personalized PageRank: Breaking a Decade-Old Performance Barrier

KDD 2015

pagerank
•
meeting external

#### Edge-Weighted Personalized PageRank: Breaking a Decade-Old Performance Barrier

KDD 2015 (poster session)

pagerank
•
meeting external poster

**Apr**

#### Computing pi: A Light Lunchtime Entertainment

Cornell University High School Programming Competition

survey
•
local

**Mar**

#### RBF Response Surfaces with Inequality Constraints

SIAM CSE

rbf
•
minisymposium external organizer

#### Model Reduction for Edge-Weighted Personalized Page Rank

Cornell SCAN Seminar

pagerank
•
seminar local

#### Music of the Microspheres

Cornell CS Visit Day

gyro mems
•
local

**Feb**

#### FLiER: Practical Topology Error Correction Using Sparse PMUs

ARPAe Innovation Summit, National Harbor, MD

grid
•
meeting external poster

**Jan**

#### Grid Event Fingerprints and PMUs

Cornell ARPAe Site Visit

grid
•
local

### 2014

**Sep**

#### Music of the Microspheres

Cornell CS at 50, Gates Hall Open House Poster Session

gyro mems
•
local poster

#### FLiER: Practical Topology Error Correction using Sparse PMUs

Cornell CS at 50, Gates Hall Open House Poster Session

grid
•
local poster

#### Radial Basis Function Interpolation with Bound Constraints

Cornell SCAN Seminar

rbf
•
seminar local

**Jun**

#### Music of the Microspheres

Householder Symposium

gyro mems
•
meeting external invited plenary

**May**

#### Application Directions

Meeting on Cloud Grid Efforts at NYPA

grid
•
local

**Apr**

#### Music of the Microspheres

Oxford University NA Seminar

gyro mems
•
seminar external invited

#### Eigenvalue Localization and Applications

NEP14 Workshop

eigenbounds nep
•
meeting external invited

**Mar**

#### Grid Event Fingerprints and PMUs

Cornell ARPAe Site Visit

grid
•
local

**Feb**

#### A Tale of Two Eigenvalue Problems

CAM Visit Day

survey
•
local

#### How to give a talk

Cornell Brownbag Seminar

survey
•
local

**Jan**

#### Music of the Microspheres

UMCP NA Seminar

gyro mems
•
seminar external invited

### 2013

**Dec**

#### A Few of My Favorite Things

CIS Dean Research Chats

survey
•
local

**Nov**

#### Music of the Microspheres

Seminar at UTRC

gyro mems survey
•
seminar external invited

#### Spectral Densities and Social Networks

NYCAM

spechist
•
meeting local organizer

#### A Tale of Two Eigenvalue Problems

Cornell Brownbag Seminar

gyro mems spechist
•
seminar local

**Oct**

#### Music of the Microspheres

Tufts/Schlumberger Scientific Computing Seminar

gyro mems
•
seminar external invited

**Jul**

#### An Efficient Solver for Sparse Linear Systems based on Rank-Structured Cholesky Factorization

Workshop on Forty Years of Nested Dissection, University of Waterloo

rsc
•
meeting external

**Apr**

#### Baseline Techniques in My Group

Cornell Materials by Design Group

survey
•
local

#### Computer Aided Design of Micro-Electro-Mechanical Systems

Civil Engineering Seminar at Duke

gyro mems pml rf-mems rom ted
•
seminar external invited

**Mar**

#### Scientific Computing Group

Cornell CS Visit Day

survey
•
local

**Jan**

#### Some perturbation theorems for nonlinear eigenvalue problems

Workshop on Dissipative Spectral Theory, Cardiff

eigenbounds matscat nep pml resonance
•
meeting external invited

### 2012

**Dec**

#### Computer Aided Design of Micro-Electro-Mechanical Systems

SCMS Workshop on Recent Advances in Scientific Computing,
Fudan University

gyro mems pml rf-mems rom ted
•
meeting external invited

#### Computer Aided Design of Micro-Electro-Mechanical Systems

FIST Workshop at Shanghai Tech

gyro mems pml rf-mems rom ted
•
meeting external invited

**Oct**

#### From Networks to Numerical Linear Algebra

NYCAM

opinions
•
meeting external organizer

**Sep**

#### Numerical Analysis of Resonances

Weyl at 100 Workshop (Fields Institute)

eigenbounds matscat nep pml resonance
•
meeting external invited

**Jul**

#### Communities, Spectral Clustering, and Random Walks

MMDS

clustering communities
•
meeting external invited

#### AxFEM: Micro-Gyro Simulation and Modeling

DARPA MRIG Program Meeting

gyro mems
•
meeting external

**May**

#### A CSE Sampler

Cornell CS / Radiology Workshop

survey
•
local

#### From Network Tomography to Power Networks?

Cornell ARPAe Site Visit

grid tomography
•
local

**Apr**

#### How To Give a Talk

Cornell Brownbag Seminar

survey
•
local

#### Why Eigenvalues?

Cornell ACSU Faculty Talk

survey
•
local

**Mar**

#### Micro-Gyro Simulation and Modeling

DARPA Site Visit

gyro mems
•
local

#### Scientific Computing Group

Cornell CS Visit Day

survey
•
local

### 2011

**Nov**

#### Communities, Spectral Clustering, and Random Walks

University of Chicago Scientific Computing Seminar

clustering communities
•
seminar external invited

#### Communities, Spectral Clustering, and Random Walks

Cornell Brownbag Seminar

clustering communities
•
seminar local

**Oct**

#### Efficient floating point: software and hardware

Cornell SCAN Seminar

survey
•
seminar local

**Sep**

#### Communities, Spectral Clustering, and Random Walks

Cornell SCAN Seminar

clustering communities
•
seminar local

**Jul**

#### Analyzing Resonances via Nonlinear Eigenvalues

ICIAM

eigenbounds matscat nep resonance
•
minisymposium external invited

#### Matrix Factorizations for Computer Network Tomography

Householder Symposium

tomography
•
meeting external invited plenary

**May**

#### Integrating Multiphysics and Multiscale Modeling Environment Together

DSRC Meeting, Alexandria

survey
•
meeting external invited

**Apr**

#### Matrix Factorizations for Computer Network Tomography

NYCAM

tomography
•
meeting external organizer

#### Matrix Factorizations for Computer Network Tomography

NYU NA Seminar

tomography
•
seminar external invited

**Mar**

#### Resonances: Interpretation, Computation, and Perturbation

Cornell SCAN Seminar

eigenbounds matscat nep resonance
•
seminar local

#### Structure-Preserving Model Reduction for MEMS

SIAM CSE Meeting

gyro mems pml rf-mems rom ted
•
minisymposium external invited

#### Scientific Computing Group

Cornell CS Visit Day

survey
•
local

#### A CSE Sampler

Cornell CAM Visit Day

survey
•
local

#### How to give a talk

Cornell Brownbag Seminar

survey
•
local

**Feb**

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

Cornell MAE Colloquium

mems pml rf-mems rom ted
•
colloquium local

### 2010

**Nov**

#### A CSE Sampler

Citigroup Visit to Cornell CS

survey
•
local

**Jul**

#### Resonances: Interpretation, Computation, and Perturbation

Workshop in honor of Pete Stewart at UT Austin

eigenbounds matscat nep resonance
•
meeting external invited

#### Structure-Preserving Model Reduction for MEMS Modeling

SIAM Annual Meeting

mems pml rf-mems rom ted
•
minisymposium external invited

**Apr**

#### Finite Element Software for Bone Deformation and Failure

BTHSCA1 Workshop, UCLA IPAM

bone
•
meeting external invited

**Mar**

#### Scientific Computing Group

Cornell CS Visit Day

survey
•
local

#### Computational Science and Engineering

Cornell CAM Visit Day

survey
•
local

### 2009

**Nov**

#### Applications and Analysis of Nonlinear Eigenvalue Problems

Simon Fraser University NA Seminar

eigenbounds matscat nep resonance pml
•
seminar external invited

**Oct**

#### Resonances and Nonlinear Eigenvalue Problems

NYCAM

eigenbounds matscat nep resonance
•
meeting external

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

Cornell Devices Seminar

mems pml rf-mems rom ted
•
seminar local

**Sep**

#### Numerical Analysis for Nonlinear Eigenvalue Problems

Cornell SCAN Seminar

eigenbounds matscat nep pml resonance
•
seminar local

#### Applications of Matrix Structure

Cornell CS Brownbag Seminar

survey
•
seminar local

**Jul**

#### Bounds and Error Estimates for Resonance Problems

SIAM Annual Meeting

eigenbounds matscat nep pml resonance
•
minisymposium external invited

#### Numerical Methods for Resonance Calculations

MSRI Workshop on Resonances

eigenbounds matscat nep resonance
•
meeting external invited

**Apr**

#### Keeping It (Approximately) Real

NYU cSplash (High School Math)

survey
•
local

**Mar**

#### Designing Linear Algebra for Multicore

NYU Manycore Reading Group

survey
•
local

**Feb**

#### Resonance Computations

NYU DOE Site Visit

eigenbounds matscat nep pml resonance
•
local

### 2008

**Nov**

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

Stanford LA/Opt Seminar

mems pml rf-mems rom ted
•
seminar external invited

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

MIT Applied Math Colloquium

mems pml rf-mems rom ted
•
colloquium external invited

**Oct**

#### Bounds and Error Estimates for Nonlinear Eigenvalue Problems

Berkeley Applied Math Seminar

eigenbounds matscat nep pml resonance
•
seminar external invited

#### Numerical Methods for Resonance Calculations

BIRS Resonance Workshop

matscat mems nep pml resonance rf-mems
•
meeting external invited

**Jun**

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

Householder Symposium (Householder Award Talk)

mems pml rf-mems rom ted
•
meeting external invited plenary

#### Error Bounds and Error Estimates for Nonlinear Eigenvalue Problems

Householder Symposium

eigenbounds nep
•
minisymposium external invited

**Apr**

#### Finite Element Analysis of Human Bone Models

NYU Courant Biomath Lunch Seminar

bone
•
seminar local

**Mar**

#### Damping Mechanisms in Resonant Microsystems

NYU Courant Materials Working Group

mems pml rf-mems rom ted
•
seminar local

**Feb**

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

McGill NA Seminar

mems pml rf-mems rom ted
•
seminar external invited

**Jan**

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

Rice University Applied Math Colloquium

mems pml rf-mems rom ted
•
colloquium external invited

### 2007

**Dec**

#### Numerical and Semi-Analytical Structure-Preserving Model Reduction for MEMS

DARPA MEMS/NEMS Workshop

mems pml rf-mems rom ted
•
meeting external invited

**Nov**

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

Temple University NA Seminar

mems pml rf-mems rom ted
•
seminar external invited

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

Cornell CS Colloquium

mems pml rf-mems rom
•
colloquium external invited

**Sep**

#### Numerical and Semi-Analytical Structure-Preserving Model Reduction for MEMS

ICIAM

mems pml rf-mems rom ted
•
minisymposium external invited

**Jul**

#### Structure Preserving Model Reduction for Damped Resonant MEMS

USNCCM

mems pml rf-mems rom ted
•
minisymposium external invited

#### Numerical and Semi-Analytical Structure-Preserving Model Reduction for MEMS

ICIAM

mems pml rf-mems rom ted
•
minisymposium external invited

**Mar**

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

Columbia Applied Math Colloquium

mems pml rf-mems rom ted
•
colloquium external invite

**Feb**

#### Continuation of Sparse Eigendecompositions

SIAM CSE

cis
•
minisymposium external organizer

#### Model Reduction and Mode Computation for Damped Resonant MEMS

SIAM CSE

mems pml rf-mems rom ted
•
minisymposium external invited

### 2006

**Oct**

#### Spectral Inclusion Regions for Bifurcation Analysis

NYU NA Seminar

eigenbounds
•
seminar local

**Sep**

#### Simulating Microsystems

NYU Courant Instructor Day

mems pml resonance rf-mems
•
local

**Aug**

#### Spectral Inclusion Regions for Bifurcation Analysis

Stanford NA Seminar

eigenbounds
•
seminar external invited

**May**

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

Thesis talk, UC Berkeley CS

mems pml rf-mems rom
•
local

#### Modeling Resonant Microsystems

Abel Symposium

mems pml rf-mems rom
•
meeting external invited

**Apr**

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

Purdue CS

mems pml rf-mems rom
•
seminar external invited

#### Eigenvaues, Resonance Poles, and Damping in MEMS

UC Berkeley LAPACK Seminar

mems pml resonance rf-mems
•
seminar local

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

CU Boulder CS Colloquium

mems rf-mems rom
•
colloquium external invited

**Mar**

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

UC Davis CS Colloquium

mems pml rf-mems rom
•
colloquium external invited

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

Bay Area Scientific Computing Day

mems pml rf-mems rom
•
meeting invited

**Feb**

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

Penn State University

mems pml rf-mems rom
•
seminar external invited

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

Caltech CS Colloquium

mems pml rf-mems rom
•
colloquium external invited

**Jan**

#### Computer-Aided Design for Micro-Electro-Mechanical Systems

Sandia National Labs

mems pml rf-mems rom
•
seminar external invited

### 2005

**Oct**

#### Inclusion Regions for Bifurcation Analysis

UC Berkeley LAPACK Seminar

cis eigenbounds
•
seminar local

**Sep**

#### Simulating Losses in Resonant MEMS

UC Berkeley Applied Math Seminar

mems pml rf-mems
•
seminar local

**Jul**

#### Elastic PMLs for Resonator Anchor Loss Simulation

US National Conference on Computational Mechanics

mems pml rf-mems
•
minisymposium external invited

#### Eigenproblems in Resonant MEMS Design

SIAM Annual Meeting

mems pml rf-mems ted
•
minisymposium external invited

**May**

#### Continuation of Invariant Subspaces of Sparse Parameter-Dependent Matrices

Householder Symposium

cis
•
meeting external invited plenary

**Apr**

#### Complex Symmetric Matrices

UC Berkeley LAPACK Seminar

mems pml rf-mems
•
seminar local

**Mar**

#### Tools for MEMS Simulation

CITRIS Meeting

mems pml rf-mems sugar
•
meeting local

**Feb**

#### HiQLab: Simulation of Resonant MEMS

Tutorial talk at UC Berkeley

mems rf-mems
•
tutorial local

### 2004

**Nov**

#### Computer-Aided Design of MEMS

NYU Numerical Analysis Seminar

mems pml rf-mems rom ted
•
seminar external invited

**Jul**

#### Fast Hessenberg QR Iteration for Companion Matrices

SIAM Annual Meeting

fast-qr
•
minisymposium external invited

#### QLab, PMLs, and resonator loss

UCB CS Prelim Exam

mems pml rf-mems rom
•
local

**Jun**

#### Reduced Order Models in Microsystems and RF MEMS

PARA 2004

mems rf-mems rom
•
minisymposium external invited

**Apr**

#### Simulating RF MEMS

Talk for visit from Innovative Micro Technology

mems rf-mems rom
•
local

**Mar**

#### Linear Algebra for Network Loss Characterization

UC Berkeley LAPACK Seminar

tomography
•
seminar local

#### Simulating RF MEMS

Bay Area Scientific Computing Day

mems rf-mems rom sugar
•
meeting external invited

### 2003

**Sep**

#### A Fast Nonsymmetric Eigensolver for Structured Matrices

UC Berkeley LAPACK seminar

fast-qr
•
seminar local

#### Some Eigenvalue Computations: A Whirlwind Tour of Numerics

Reimer group meeting (UCB Chemical Engineering)

survey
•
local

**Jul**

#### Fast QR Iteration for Companion Matrices

SIAM Linear Algebra Meeting

fast-qr
•
minisymposium external invited

**Jun**

#### Linear Algebra for Network Loss Characterization

UC Berkeley LAPACK seminar

tomography
•
seminar local

**Apr**

#### Parameter-Dependent Eigencomputations and MEMS Applications

UC Berkeley LAPACK seminar

cis mems rf-mems
•
seminar local

**Mar**

#### SUGAR: Simulating MEMS

UC Berkeley Ptolemy research group

mems sugar
•
seminar local

### 2002

**Oct**

#### Refining Approximate Invariant Subspaces

UC Berkeley LAPACK seminar

cis
•
seminar local

**Jun**

#### SUGAR: A MEMS Simulation Program

Sun Microsystems

mems sugar
•
seminar external invited

**Apr**

#### SUGAR: A MEMS Simulation Program

MSM 2002

mems sugar
•
tutorial external

**Mar**

#### Simulating MicroElectroMechanical Systems

BSAC IAB meeting

mems sugar
•
tutorial local

#### Simulating MicroElectroMechanical Systems

UC Davis

mems sugar
•
seminar external invited

**Feb**

#### SUGAR 3.0 and M&MEMS

mems sugar
•
seminar local

### 2001

**Nov**

#### Simulating Microsystems

UC Berkeley LAPACK Seminar

mems sugar
•
seminar local