Spring 2020

 Jan 27  Arkadz Kirshtein (University of Massachusetts Amherst)  “Modeling and computations of multicomponent fluid flow.”
 Feb 3  Chao Chen (UT Austin)  ” Parallel Hierarchical Solver with Applications to Ice Sheet Modeling.”

 Feb 10  Daniel Szyld (Temple)  “One and Twolevel Asynchronous Optimized Schwarz Methods for the solution of PDEs.”

 Mar 2  Jie Chen (IBM)  “Deep Learning with Graph Structured Data: Methods, Theory, and Applications.”

 Mar 9  Farhad Pourkamali Anaraki (U Mass Lowell)  “Improved FixedRank Nystrom Approximation with Application to Spectral Clustering.”
Fall 2019

 Sep 23  Jan Nordbotten (U. Bergen, Norway)  “Mixeddimensional Modeling and Simulation.”

 Sep 30  Demba Ba (Harvard) “DeeplySparse Signal Representations.”

 Oct 7  Michael Mascagni (FSU)  “The White Rat of Numerical Reproducibility.”

 Oct 21  Abiy Tasissa (Tufts)  “Reconstructing point sets using lowrank regularization.”

 Nov 04  Julio Castrillon (BU)  “Large Scale Kriging: A High Performance MultiLevel Computational Mathematics Approach.”

 Nov 18 Bruce Boghosian (Tufts)  “A new pathology in floatingpoint simulations of chaotic dynamical systems.”

 Nov 25  Andrea Arnold (WPI)  “Estimation and Uncertainty Quantification of TimeVarying Parameters via Parameter Tracking.”

 Dec 02  Nathaniel Trask (Sandia National Lab)  “Compatible meshfree discretization.

 Dec 9  Yanghui Liu (Tufts) “Anticipative Nonlinear Filtering.”
Spring 2019

 Feb 4  Daniel Sussman (BU)  “Multiple Network Inference: From Joint Embeddings to Graph Matching.”

 Feb 11  Maurice Fabien (Rice)  “Multigrid techniques for highorder discontinuous Galerkin methods with application to porous media flows.”

 Mar 4  Carmen Rodrigo (Zaragoza, Spain)  “Robust multigrid solver for mixeddimensional models for flow in fractured porous media.”

 Mar 11  Zhiping Mao (Brown)  “Efficient and Accurate Single/Multidomain Spectral Methods for Fractional Diffusion Equations.”

 Mar 25  Anna Little  “Theoretical Guarantees and Exact Cluster Recovery for Classical Multidimensional Scaling.”

 Apr 3  Lisa Claus (Wuppertal, Germany)  “Algebraic Multigrid Smoothers for Maxwell’s equations.”

 Apr 24  James Brannick (Penn State)  “Algebraic Multigrid: Theory and Practice.”

 Apr 29 Xu Zhang (Miss. St.)  “Immersed Finite Element Method for Interface Problems: Basic Idea, Algorithm Development, Error Analysis, and Applications.”
Fall 2018

 Sep 17  Ana Budiša (U. Bergen, Norway)  “Domain decomposition preconditioner for mixeddimensional flow problems in fractured porous media.”

 Oct 01  Tim Atherton (Tufts)  “Morpho—A system for solving shape optimization problems.”

 Oct 15  Guosheng Fu (Brown University)  “Explicit divergencefree DG methods for incompressible flow.”

 Oct 22  Jeff Hokanson (University of Colorado, Boulder)  “Exploiting Ridge Structure in Chance Constrained Design Under Uncertainty.”

 Oct 29  Fleurianne Bertrand (Humboldt University in Berlin)  “Stress Reconstruction for Elasticity Problems.”

 Nov 05  Howard Elman (University of Maryland)  “Collocation Methods for Exploring Perturbations in Linear Stability Analysis.”

 Nov 19  James Murphy (Tufts)  “Unsupervised Geometric Learning: Statistical Guarantees and Fast Algorithms.”

 Nov 26  Helen Suh (Tufts – CEE)  “Current Analytical Challenges in Air Pollution Epidemiology.”

 Dec 03  Sohom Ray (Tufts – CEE)  “Earthquake Nucleation on Faults: a FiniteTime Instability Problem.”
 Dec 10  John Germaine (Tufts – CEE)  “Stress Dependent Mechanical Behavior of Clay Rich Sediments.”
Spring 2018

 Jan 22  Everyone (Tufts)  Organizational Meeting.

 Feb 05  Richard Hooper (Tufts – CEE)  “The Tyranny of Physics: Are we fooling ourselves in making Earth system predictions?”

 Feb 12  Leone Brown (Tufts – Bio)  “Animal migration and disease risk in response to anthropogenic change.”

 Feb 26  Elizabeth Crone (Tufts – Bio)  “Mixed use landscapes can facilitate range shifts.”

 Mar 05  Hengjie Wang (UC Irvine)  “An efficient geometric multigrid solver for variable coefficient poisson equation.”

 Mar 12  Steven Wise (UT Knoxville)  “Preconditioned descent methods for some nonlinear elliptic equations involving pLaplacian terms.”

 Apr 02  Steffen Muenzenmaier (University DuisburgEssen)  “An upwinded discontinuous Leastsquares finite element method for steadystate transport.”

 Apr 02  Hongyan Wang (Tufts)  “The finiteelement algorithm for the extended yardsale model.”

 Apr 09  Johannes Kraus (University DuisburgEssen)  “A posteriori error estimates for a class of nonlinear interface problems in relation to solving the PoissonBoltzmann equation.”
 Apr 23  Boris Krämer (MIT)  “Conditionalvalueatrisk estimation with reducedorder models.”
Fall 2017

 Sep 13  Everyone (Tufts)  Organizational Meeting.

 Sep 18  Peter Ohm (Tufts)  “New Stabilized Discretizations for Poroelasticity and the Stokes’ Equations.”

 Oct 13  Pasqua D’Ambra (National Research Council of Italy)  “BootCMatch: Bootstrap AMG based on Compatible Weighted Matching.”

 Oct 20  Qing Nie (University of California, Irvine)  “Datadriven multiscale modeling of cell fate dynamics.”

 Oct 25  Jeff Hokanson (University of Colorado, Boulder)  “Datadriven polynomial ridge approximation using variable projection.”

 Oct 30  David Emerson (StreetContxt)  “A Posteriori Error Estimators for Variational Systems.”

 Nov 20  Caleb Magruder (Tufts)  “AdjointBased Differentiation for Optimization with Implicit Constraints.”
 Nov 27  Amanda Howard (Brown University)  “Particle Dispersion in NonHomogeneous Suspension Flows.”
Spring 2017
 Mar 13  Francisco Gaspar (Zaragoza)  “Multigrid Waveform Relaxation. Application to the TimeFractional Heat Equation.”
 Apr 05  Peiyao Luo  “Monolithic Multigrid Method for the Coupled Stokes Flow and Deformable Porous Medium System.”
Fall 2016

 Sep 07  Everyone (Tufts)  Organizational Meeting

 Sep 14  James Adler (Tufts)  “How Not to Give a Talk”

 Sep 21  Everyone (Tufts)  5 Minute Talks

 Sep 28  Sergey Voronin (Tufts)  “Efficient methods for the construction of low rank matrix decompositions and applications to inverse problems and parameter estimation.”

 Oct 19  Julio CastrillonCandas  “Analytic regularity and collocation approximation for elliptic PDEs with random domain deformations.”

 Oct 26  Hui Yang (Tufts)  “Mechanics of highcapacity anode materials in lithiumion nanobatteries.”

 Nov 2  Jeffrey Guasto (Tufts)  “Porous media flows: From swimming cells to complex fluids.”
 Nov 9  Luis Dorfmann (Tufts)  “The elastic secrets of the chameleon tongue.”
Spring 2016
 Jan 27  Everyone (Tufts)  Organizational Meeting
 Feb 03  James Adler (Tufts)  Tips for Giving Talks
 Feb 10  Everyone (Tufts)  3 Minute Talks
 Feb 16  Long Chen (UC Irvine)  “Multigrid Methods for Saddle Point Systems of Mixed Finite Element Methods”
 Mar 2  Peter Love (Tufts)  “A Quantum Algorithm for the Moebius Function”
 Mar 9  Saheli Sarkar (Northeastern)  “Phenotypic analysis of cancerimmune interactions at single cell level.”
 Mar 16  Lake Bookman (Yale)  “Approximate Solitons of the LandauLifshitz Equation”
 Mar 30  Grant Garven (Tufts)  “Mathematical Models for Deep Fluid Migration in the Earth’s Crust”
 Apr 06  Marc Hodes (Tufts)  “Effect of Thermocapillary Stress on Slip Length for a Parallel RidgeTextured Channel”
Fall 2015
 Sep 09  Everyone (Tufts)  Organizational Meeting
 Sep 23  Paul Hand (Rice)  “ShapeFit: Exact location recovery from corrupted pairwise directions.”
 Sep 30  Elizabeth Wu (Tufts)  “The Investigation of Differential Operator Based on Fast Fourier Continuation and Sobolev Smoothing.”
 Oct 7  Peter Ohm (Tufts)  “Statistical Thermodynamics and Modeling Chemical Activity Coefficients.”
 Oct 28  David Emerson (Tufts)  “A Deflation Technique for the Computation of Static Liquid Crystal Configurations.”
 Nov 10  Charlie Colley (Tufts)  “Data Perturbation Technique for Improving Clustering Objective Functions.”
 Nov 20  Howard Elman (Maryland)  “Linear Algebra Computations for Parameterized Partial Differential Equations.”
 Dec 02  Melody Takeuchi (Tufts)  “Abrupt Transitions from Low to High Firing Frequencies in Neuronal Models.”
 Dec 09  Tim Atherton (Tufts)  “Order, Geometry, and Dynamics in Soft Matter.”
Spring 2015
 Feb 04  Joanne Lin (Tufts)  “A Contagion Model of Emergency Airplane Evacuations”
 Feb 11  Thomas Benson (Tufts)  “Introduction to the Cluster”
 Feb 18  Robert Viesca (Tufts)  “Of Faults and Faucets”
 Feb 25  Tom Vandervelde and Maggie Stevens (Tufts)  “Studying Anomalous OpenCircuit Voltage DropOut in Concentrated Photovotaics Using Computational Numerical Analysis.”
 Mar 25  Arvind Krishna Saibaba (Tufts) ”Fast Kalman Filter for Random Walk Forecast Model.”
 Apr 01  Tania Bakhos (Stanford)  “Flexible Krylov Solvers for Shifted Systems with Applications to Solving LargeScale Inverse Problems.”
 Apr 08  Xuan Zhao  “An Introduction to Fractional PDEs: Applications and Numerics.”
 Apr 15  Maria Elenius (Tufts)  “Carbon Dioxide Mineralization in the Presence of Convective Mixing and the Capillary Transition Zone”
 Apr 22  Jayanth JagalurMohan  “Approximate Optimal Projection for ReducedOrder Models”
Fall 2014
 Sep 11  James Adler (Tufts)  “Intro to Finite Elements”
 Sep 18  David Emerson (Tufts) “Intro to Liquid Crystals”
 Sep 25  Xiaozhe Hu (Tufts)  “Intro to Geometric Multigrid”
 Oct 02  Bruce Boghosian (Tufts)  “Intro to Lattice Boltzman”
 Oct 09  Ilya Lashuk (Tufts)  “Intro to Algebraic Multigrid/Smoothed Aggregation”
 Oct 16  James Adler (Tufts)  “Discussion of Finite Elements for Dissipative Maxwell’s Equations.”
 Oct 23  David Emerson (Tufts)  “Intro to Trust Region Optimization.”
 Oct 30  Xiaozhe Hu and Tom Benson (Tufts)  “MHD Formulations.”
 Nov 06  James, Xiaozhe, and Tom (Tufts)  “Solvers for Maxwell’s Equations and MHD.”
 Nov 13  Scott MacLachlan (Memorial University)  “FirstOrder System PetrovGalerkin for Singularly Perturbed Problems.”
 Nov 20  Bruce Boghosian (Tufts)  “More on Lattice Boltzman for Fluids.”
 Dec 04  Dong Han (Tufts)  “Intro to Magnetoelasticity”