2017 - ANZIAM 2017 Conference (Australia and New Zealand Industrial and Applied Mathematics), Hahndorf Resort, South Australia, February 2017. Invited plenary lecture.
2016 - Colloquium, School of Mathematical Sciences, University of Adelaide, August 19, 2016.
- ACEMS Computational and Mathematical Foundations for Big Data Analytics Workshop, Queensland University of Technology, Brisbane, July 2016. 'Accelerated Parallel Optimization Algorithms for Distributed Data Analytics in Apache Spark'.
- University of British Columbia SCAIM Seminar Series (Scientific Computing, Applied and Industrial Mathematics), Vancouver, July 2016. 'Accelerated Parallel Optimization Algorithms for Distributed Data Analytics in Apache Spark'. [pdf]
- Faculty of Information Technology Machine Learning Flagship Seminar, Monash University, Melbourne, April 2016. 'Accelerated Parallel Optimisation Algorithms for Distributed Data Analytics in Apache Spark'. [pdf]
- Australian Society for Operations Research (ASOR) Recent Advances Conference 2016, Monash University, Melbourne, April 2016. 'Accelerated Optimization Algorithms for Distributed Big Data Recommendation in Apache Spark'. [pdf]
- Monash Workshop on Numerical PDEs, Melbourne, February 2016. 'High-Order Finite Volume Methods for Magnetohydrodynamics on Adaptive Cubed-Sphere Grids'. [pdf]
2015
- 2015 IEEE International Conference on Parallel and Distributed Computing, Melbourne (ICPADS 2015), December 2015. 'Algorithmic Acceleration of Parallel ALS for Collaborative Filtering: Speeding up Distributed Big Data Recommendation in Spark'. [pdf]
-
Mathematics Colloquium, McMaster University, April 2015.
'High-Order Adaptive Simulation Methods for Compressible Fluid Flows with Applications in Space Physics'. [pdf]
-
17th Copper Mountain Conference on Multigrid Methods, March 2015.
'Fast Multilevel Co-Clustering: Unraveling the Multilevel Overlapping Cluster Structure of Social Network Data'. [pdf]
-
Waterloo Institute for Complexity and Innovation (WICI) seminar, January 2015.
'Mathematical modelling of social spreading processes'. [pdf]
2014
-
European Multigrid Conference, Leuven, September 2014.
'Adaptive Algebraic Multigrid for Singular Value and Tensor Decompositions'. Invited plenary lecture. [pdf]
-
Faculty of Information Technology Colloquium/MAXIMA Seminar, Monash University, July 2014.
'Multilevel Aggregation of Graphs: from Biomedical Image Segmentation to Community Finding in Social Networks'.
-
Applied and Compuational Mathematics Seminar, School of Mathematical Sciences, Monash University, June 2014.
'Finite Volume Element Methods for Nonlinear Elliptic PDEs Describing Singular Capillary Surfaces'. [pdf]
-
MAXIMA Seminar, School of Mathematical Sciences, Monash University, June 2014.
'Fast numerical methods for canonical tensor decomposition'. [pdf]
-
Monash Probability & Statistics Seminar, School of Mathematical Sciences, Monash University, June 2014.
'Fast multilevel numerical methods for Markov chains'. [pdf]
-
Department of Mathematics Colloquium, Hong Kong Baptist University, May 2014.
'Speeding Up ALS for Canonical Tensor Decomposition using Nonlinear Krylov Methods and Multigrid'. [pdf]
-
16th SIAM Conference on Parallel Processing for
Scientific Computing, February 2014, 'Parallel Algorithms for
MapReduce-Based Scientific Computing: A Second Introduction'. [pdf]
2013
-
AMMCS-2013 International Interdisciplinary Conference
on Applied Mathematics, Modeling and Computational Science, Waterloo,
2013.
'High-Order Finite Volume Element Methods for Elliptic PDEs with Singularities, and Applications to Capillarity'. [pdf]
-
AMMCS-2013 International Interdisciplinary Conference
on Applied Mathematics, Modeling and Computational Science, Waterloo,
2013.
'Cluster Newton Method for Sampling Multiple Solutions of an
Underdetermined Inverse Problem: Parameter Identification for
Pharmacokinetics'. [pdf]
-
Fields Workshop on Numerical Methods for Fluid Dynamics, Carleton University, Ottawa, August 2013.
'Numerical Magnetohydrodynamics with Application to Space Physics
Flows: Structure of MHD as a Hyperbolic System', invited mini-course
(lecture 1). [pdf]
-
Fields Workshop on Numerical Methods for Fluid Dynamics, Carleton University, Ottawa, August 2013.
'Numerical Magnetohydrodynamics with Application to Space Physics
Flows: Finite Volume Methods for MHD', invited mini-course (lecture 2). [pdf]
-
Fields Workshop on Numerical Methods for Fluid Dynamics, Carleton University, Ottawa, August 2013.
'Numerical Magnetohydrodynamics with Application to Space Physics
Flows: Numerical Methods for Transonic Solutions', invited mini-course
(lecture 3). [pdf]
-
First Canadian Symposium on Numerical Analysis and Scientific Computing, Quebec City, June 2013.
'Extending Preconditioned GMRES to Nonlinear Optimization'. [pdf]
-
Weizmann Workshop 2013 on Multilevel Computational Methods and Optimization, Rehovot, Israel, May 2013.
'Adaptive Algebraic Multigrid for Canonical Tensor Decomposition'. [pdf]
-
16th Copper Mountain Conference on Multigrid Methods, March 2013.
'Adaptive Algebraic Multigrid for Singular Value Decomposition'. [pdf]
-
SIAM Conference on Computational Science and Engineering, Boston, February 2013.
'A Parallel and Dynamically Adaptive 3D Cubed-Sphere Grid Framework for Hyperbolic Conservation Laws'. [pdf]
-
ORCA seminar, University of Guelph, February 2013.
'The Arab Spring: A simple compartmental model for the dynamics of a revolution'. [pdf]
2012
-
SIAM Conference on Applied Linear Algebra, Valencia, Spain, June 2012.
'Extending Preconditioned GMRES to Nonlinear Optimization'. Invited plenary lecture. [pdf]
-
20th Canadian Symposium on Fluid Dynamics, Toronto, June 2012.
'Hyperbolic Conservation Laws on 3D Cubed-Sphere Grids: A Parallel High-Order Solution-Adaptive Simulation Framework'. [pdf]
-
Canadian Applied and Industrial Mathematics Society (CAIMS) Annual Meeting, June 2012.
'Global approximation of singular capillary surfaces: asymptotic analysis meets numerical analysis'. [pdf]
-
12th Copper Mountain Conference on Iterative Methods, March 2012.
'Extending GMRES to Nonlinear Optimization, with Application to Tensor Optimization'. [pdf]
2011
-
Scientific Computing seminar, University of Ontario Institute of Technology, 27 September 2011.
'Extending GMRES to Nonlinear Optimization: Application to Tensor Approximation'. [pdf]
-
Max Planck Institute for Informatics seminar, Saarbruecken, Germany, 16 August 2011.
'A residual-minimizing nonlinear optimization method applied to tensor approximation'. [pdf]
-
Workshop on Tensor Approximation in High Dimension, Bonn, Germany, 2 August 2011.
'Extending GMRES to Nonlinear Optimization: Application to Tensor Approximation'. [pdf]
-
Department of Computer Science seminar, Friedrich-Alexander-Universitaet Erlangen-Nuernberg, Germany, 7 July 2011.
'Extending GMRES to Nonlinear Optimization: Application to Tensor Approximation'. [pdf]
-
Department of Mathematics seminar, University of Trier, Germany, 5 July 2011.
'Extending GMRES to Nonlinear Optimization: Application to Tensor Approximation'. [pdf]
-
Mathematics Division seminar, Center for Computational Engineering Science, RWTH Aachen University, Germany, 29 June 2011.
'Efficient solution of stationary Euler flows with critical points and shocks'. [pdf]
-
Applied Computer Science Group seminar, Department of Mathematics, University of Wuppertal, Germany, May 2011.
'Algebraic Multigrid for the Singular Value Problem'. [pdf]
-
2011 SIAM Conference on Computational Science and Engineering Reno, NV, USA, March 1, 2011.
'Multilevel Aggregation of Small-World Graphs with Application to Random-Walk Ranking'. [pdf]
-
Center for Applied Scientific Computing Seminar. Lawrence Livermore National Laboratory, California, February 2011.
'Algebraic Multigrid for the Singular Value Problem'. [pdf]
2010
-
National Institute of Informatics seminar, Tokyo, Japan, December 8, 2010.
'Multigrid methods for Markov Chains'. [pdf]
-
National Institute of Informatics seminar, Tokyo, Japan, December 8, 2010.
'3D Multilevel Aggregation for Segmentation and Tracking of Live Cells'. [pdf]
-
National Institute of Informatics seminar, Tokyo, Japan, December 10, 2010.
'Distributed transactions in Hadoop's HBase and Google's Bigtable'. [pdf]
-
Institute for Aerospace Studies seminar, University of Toronto, November 23, 2010.
'Efficient solution of stationary Euler flows with critical points and shocks'. [pdf]
-
Tenth European MultiGrid Conference, Ischia, Italy, September 19 - 23, 2010.
'3D Multilevel Aggregation for Segmentation and Tracking of Live Cells'.
-
2010 Canadian Association of Physicists Congress,
Division of Atmospheric and Space Physics, University of Toronto, June
7-11, 2010.
'Numerical Modelling of MHD Space Plasmas', invited lecture. [pdf]
-
Oberseminar Mathematische Bildanalyse, Mathematical Image Analysis Group, Saarland University, Germany, May 21, 2010.
'3D Multilevel Aggregation for Segmentation and Tracking of Live Cells'. [pdf]
-
Eleventh Copper Mountain Conference on Iterative Methods, April 2010.
'Recursively Accelerated Multilevel Aggregation for Markov Chains'. [pdf]
-
Eleventh Copper Mountain Conference on Iterative Methods, April 2010.
'Multilevel Space-Time Aggregation for Cell Microscopy Segmentation and Tracking'. [pdf]
2009
-
Department of Applied Mathematics Colloquium, University of Waterloo, 5 November 2009.
'Numerical methods for nonlinear ODE and PDE systems that describe stationary transonic fluid flow'. [pdf]
-
12th Seminar "NUMDIFF" on Numerical Solution of
Differential and Differential-Algebraic Equations, September 14-18,
2009, Martin-Luther-University Halle-Wittenberg (Germany), invited
plenary lecture.
'Efficient numerical simulation of stationary Euler fluid flows with critical points and shocks'. [pdf]
-
14th International Conference on Random Structures and Algorithms, August 3-7, 2009, Poznan (Poland).
'Fast Multilevel Numerical Methods for Random Walks on Directed Graphs'. [pdf]
-
Workshop on Computational Methods for Hyperbolic Problems, April 20-22, 2009, Waterloo, invited.
'Efficient solution of stationary Euler flows with critical points and shocks'. [pdf]
-
SIAM Conference on Computational Science and Engineering, March 2-6, 2009, Miami, invited (mini-symposium).
'Smoothed Aggregation and Algebraic Multigrid Methods for Markov Chains'. [pdf]
-
Division of Atmospheric and Space Physics (DASP) Workshop, February 20-21, 2009, Banff.
'Secondary Slow Shock Front in the Magnetosheath for Strongly Magnetized Solar Wind Conditions'. [pdf]
2008
-
5th Canadian Solar Workshop, November 5-7, 2008, Canadian Space Agency, Montreal.
'Introduction to numerical MHD modeling of the solar wind'. [pdf]
-
Ninth European MultiGrid Conference, October 20 - 24, 2008, Bad Herrenalb, Germany.
'Smoothed Aggregation Multigrid for Slowly Mixing Markov Chains'. [pdf]
-
Departamento de Ingenieria Matematica Seminar, Universidad de Chile, 25 April 2008.
'Fast Iterative Solvers for Markov Chains, with Application to Google's PageRank'. [pdf]
-
Tenth Copper Mountain Conference on Iterative Methods, April 2008.
'Smoothed Aggregation Multigrid for Slowly Mixing Markov Chains'. [pdf]
-
Department of Applied Mathematics Computational Mathematics Seminar, University of Colorado at Boulder, March 4, 2008.
'Smoothed Aggregation Multigrid for Slowly Mixing Markov Chains'. [pdf]
-
Waterloo Numerical Analysis Symposium in commemoration of Gene Golub, February 29, 2008.
'Google's PageRank, multilevel solvers, and Gene's ranking'. [pdf]
2007
-
ICIAM 2007 - 6th International Congress on Industrial and Applied Mathematics, Zuerich, July 2007, invited (mini-symposium).
'Markov Chains and Web Ranking: a Multilevel Adaptive Aggregation Method'. [pdf]
-
Center for Plasma Astrophysics, K.U. Leuven, July 2007.
'Numerical Methods for Calculating Planetary Outflow Profiles with Critical Points'. [pdf]
-
Waterloo Symposium in Undergraduate Mathematics, 9 June 2007.
'Supersonic Planetary Flow Simulations and the Origin of Life'. [pdf]
-
15th Annual Conference of the CFD Society of Canada, Toronto, May 27-31, 2007.
'Direct Numerical Solution of the Steady 1D Compressible Euler Equations for Transonic Flow Profiles with Shocks'. [presentation pdf] [paper pdf]
-
CAIMS 2007 Annual Conference 2007, Banff, May 2007, invited (numerical linear algebra session).
'Markov Chains and Web Ranking: a Multilevel Adaptive Aggregation Method'. [pdf]
-
Computer Science Department/PIMS, University of British Columbia, Vancouver, May 2007.
'Markov Chains and Web Ranking: a Multilevel Adaptive Aggregation Method'. [pdf]
-
Thirteenth Copper Mountain Conference on Multigrid Methods, March 2007.
'Multilevel adaptive aggregation for Markov chains, with application to web ranking'. [pdf]
2006
-
Third Canadian Solar Workshop, Montreal, November 2006.
'Solar Wind-like Outflows from Planetary Atmospheres'. [pdf]
-
7th World Congress on Computational Mechanics, Los Angeles, July 16 - 22, 2006.
`LSFEM for Scalar Hyperbolic Conservation Laws: Convergence and Numerical Conservation'. [pdf]
-
17th Canadian Symposium on Fluid Dynamics, Toronto, June 17-19, 2006.
`Numerical simulation of supersonic escape from planetary atmospheres'. [pdf]
-
CAIMS-MITACS Joint Annual Conference, Toronto, June 16-20, 2006.
`Scalable algebraic multigrid on Blue Gene/L'. [pdf]
-
Ninth Copper Mountain Conference on Iterative Methods, April 2 - April 7, 2006.
`Improving Coarsening and Interpolation for Algebraic Multigrid'. [pdf]
2005
-
First SHARCNET/HPCVL Joint Symposium on High
Performance Computing and Applications, Toronto, October 11, 2005,
invited presentation.
`A Lightweight, Scalable Grid Computing Framework for Parallel Bioinformatics Applications'. [pdf]
-
Fifth Foundations of Computational Mathematics conference, Santander, 30 June-9 July 2005.
`Optimal Order Parallel Algebraic Multigrid Preconditioners'. [pdf]
-
19th International Symposium on High Performance Computing Systems and Applications, Guelph, May 15-18, 2005.
`A Lightweight, Scalable Grid Computing Framework for Parallel Bioinformatics Applications'. [pdf]
-
Seventh IMACS International Symposium on Iterative Methods in Scientific Computing, Toronto, May 5-8, 2005.
`Reducing Complexity in Algebraic Multigrid'. [pdf]
-
Southern Ontario Numerical Analysis Day, Waterloo, April 29, 2005, invited presentation.
`Scalable sparse matrix solvers on supercomputers'. [pdf]
-
Twelfth Copper Mountain Conference on Multigrid Methods, April 3-8, 2005.
`Coarsening and Interpolation in Algebraic Multigrid: a Balancing Act'. [pdf]
2004
-
Lehrstuhl fuer Simulation, Department of Computer Science, Universitaet Erlangen-Nuernberg, 24 June 2004.
`Least-Squares Finite Element Methods for Nonlinear Hyperbolic PDEs'. [pdf]
-
Abteilung fuer Angewandte Mathematik, University of Feiburg, 17 June 2004.
`Numerical Conservation Properties of Least-Squares Finite Element Methods for Scalar Hyperbolic Conservation Laws'. [pdf]
-
Center for Plasma Astrophysics, K.U. Leuven, 15 June 2004.
`Least-Squares Finite Element Methods for Nonlinear Hyperbolic PDEs'. [pdf]
-
Department of Applied Mathematics Colloquium, University of Colorado at Boulder, April 2004.
`Least-Squares Finite Element Methods for Nonlinear Hyperbolic PDEs'. [pdf]
-
Eighth Copper Mountain Conference on Iterative Methods, March 28 - April 2, 2004.
`Reducing Complexity in Algebraic Multigrid'. (with Ulrike Meier Yang) [ppt]
-
Department of Applied Mathematics Seminar, University of Waterloo, January 2004.
`Least-Squares Finite Element Methods for Nonlinear Hyperbolic PDEs'. [pdf]
2003
-
Bioinformatics Supergroup Seminar. University of Colorado at Boulder, November 2003.
`A Software Framework for Parallel Bioinformatics on Computational Grids'. [pdf]
-
Center for Applied Scientific Computing Seminar. Lawrence Livermore National Laboratory, California, August 2003.
`Numerical Conservation Properties of Least-Squares Finite Element Methods for Scalar Hyperbolic Conservation Laws'. [pdf]
-
2003 SIAM Annual Meeting. Montreal, Canada, June 2003.
`H(div)-Conforming Least Squares Finite Element Methods for Nonlinear Hyperbolic Conservation Laws'. [pdf]
-
2003 Copper Mountain Conference on Multigrid Methods. Copper Mountain, Colorado, April 2003.
`Least-Squares Finite Element Methods for Nonlinear Hyperbolic Conservation Laws'. [pdf]
-
2003 ACM Symposium on Applied Computing. Melbourne, Florida, March 2003.
`A lightweight Java Taskspaces framework for scientific computing on computational grids'. [pdf]
2002
-
University of Erlangen, Department of Computer Science. June 2002.
`Scientific Computing Methods for Plasma Physics Simulation'. [pdf]
2001
-
First SIAM-EMS Conference (2001). Berlin, Germany, September 2001.
`Multi-Dimensional Upwind Constrained Transport of Divergence-Free Fields on Unstructured Grids'. [pdf]
-
2001 Gesellschaft fuer Angewandte Mathematik und Mechanik (GAMM) annual meeting. ETH Zuerich, Switzerland, February 2001.
`Overcompressive shocks in 3D magnetohydrodynamic bow shock flows'. [ppt]
2000
-
Eighth International Conference on Hyperbolic Problems (2000). Magdeburg, Germany, March 2000.
`Multiple-front 3D MHD bow shock flows with intermediate shock segments'. INVITED.
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