Presentations

Presentations (2010)

  • The POTSI/MITACS Talks in Analysis, at the University of Calgary, http://math.ucalgary.ca/news-events/events/potsi/mitacs-talk-analysis
    • Nov 18, 2010: Canonical structures for matrix functions: a survey. Dr. Peter Lancaster (Calgary)
    • Oct 28, 2010: Composition operators modeling nonstationary minimum phase filters. Dr Michael Lamoureux (Calgary)
    • Sep 3, 2010: Doubling algorithms and their applications. Dr Chun-Hua Guo (Regina)
    • Apr 29, 2010: Subfactors and Quantum Symmetries. Dr Remus Nicoara (Tennessee)
    • Apr 22, 2010: Fourier Integral Operators in Seismic Imaging, p3. Dr Jen von Bergmann (Calgary)
    • Apr 8, 2010: Fourier Integral Operators in Seismic Imaging, p2. Dr Jen von Bergmann (Calgary)
    • Mar 25, 2010: Fourier Integral Operators in Seismic Imaging, p1. Dr Jen von Bergmann (Calgary)
    • Mar 4, 2010: Regularity for quasilinear operators with infinite vanishing ellipticity. Dr Cristian Rios (Calgary)
    • Feb 4, 2010: Eigenvalue bounds for the wave equation with radiation bdy conditions. Dr. Illiaa Karabash (Calgary)
    • Jan 4, 2010: Wind driven forest fire fronts. Dr. Petro Babak (Alberta)
  • The CREWES Annual Sponsors Meeting, December 2010, Canmore, Alberta
    • Full waveform inversion with wave equation migration and well control, Gary Margrave (Calgary)
    • Gabor multipliers for pseudodifferential operators and wavefield propagators, Michael Lamoureux (Calgary)
    • Nodal Galerkin methods for numerical modelling of linear elasticity, Matt McDonald (Calgary)
    • Wavefield propagation in anisotropic media using the pseudo-analytic method, Ben Wards (Calgary)
    • A multiple model and Pade approximation (poster), Dali Zhang (Calgary)
  • The Society for Exploration Geophysicists Annual Meeting, October 2010, Denver CO
    • Nonstationary predictive deconvolution based on a partition of unity, poster presentation, Gary Margrave (Calgary)
    • Phase-shift timestepping for wave field propagation, Ben Wards (Calgary)
  • CMS Summer Meeting, June 2010, Frederickton, NB
    • Gabor multipliers for Imaging, Michael Lamoureux (Calgary)
  • MITACS AGM May 2010, in Edmonton, Special Session on Numerical Methods in Imaging and Inverse Problems.
    • Properties of Gabor multipliers for physical modelling, Michael Lamoureux, University of Calgary
    • Pade approximationin Q-factor modelling and numerical simulation of viscoelastic wavefields, Dali Zhang, University of Calgary
  • Canadian Society for Exploration Geophysicists Annual Meeting (GeoCanada) May 2010, Calgary
    • Generalized frames for Gabor operators in seismic imaging,  Michael Lamoureux, University of Calgary link
    • Estimation of Q-factor and phase velocity using the recovered stress-strain relaxation spectrum, Dali Zhang, University of Calgary link
    • Nonstationary Predictive Deconvolution, Gary Margrave., University of Calgary link

 

Presentations (2009)

  • The POTSI/MITACS Talks in Analysis, at the University of Calgary, http://math.ucalgary.ca/news-events/events/potsi/mitacs-talk-analysis
    • Dec 10, 2009: Nonstationary predictive deconvolution. Dr Gary Margrave (Calgary)
    • Nov 26, 2009: Approximation of a discrete joint probability distribution by two independent ones. Dr Peter Zizler (Mount Royal)
    • Oct 29, 2009: Higher-order pseudopsectral methods for the acoustic wave equation. Ben Wards (Calgary)
    • Oct 15, 2009: Properties of Gabor multipliers and frames for physical modelling. Dr Michael Lamoureux (Calgary)
    • Apr 16, 2009: A multi-band wavelet trasnform for nonstationary filtering. Dr. Michael Lamoureux (Calgary)
    • Jan 23, 2009: Inverse homogenization - Recovery of the structure of composite materials. Dr Elena Cherkaev (Utah)
  • The CREWES Annual Sponsors Meeting, November 2009, Canmore, Alberta
    • Nonstationary Predictive Convolution, Gary Margrave (Calgary)
    • Generalized frames for Gabor Operators in Imaging, Michael Lamoureux (Calgary)
    • Delta weights for footprint suppression in 3D prestack migrations, Joanna Cooper (Calgary)
    • Domain analysis of Q in the nearsurface, Rob Ferguson (Calgary)
  • MITACS AGM June 2009, in Fredericton NB, Special Session on Numerical Methods in Imaging and Inverse Problems.
    • Gabor deconvolution revisited, Peter C. Gibson, York University
    • Fourier decompositions on lattices in 2D and 3D: Recent results, Jiri Hrivnak, Universite de Montreal
    • Gabor multipliers for numerical modeling of PDEs, Michael Lamoureux, University of Calgary
    • Rational approximation for inverse modeling Q-factor of an attenuating medium, Dali Zhang, University of Calgary
  • Sabbatical visit to the Norbert Weiner Center at the University of Maryland, September 2009
    • Gabor multipliers for seismic imaging, Parts I and II, Michael Lamoureux, Unviersity of Calgary
  • Canadian Society for Exploration Geophysicists Annual Meeting, May 2009, Calgary
    • The phase-shift time-stepping equations and the Marmousi dataset, Ben Wards, University of Calgary
    • Properties Gabor operators for seismic imaging,  Michael Lamoureux, University of Calgary
    • Feasibility testing for time-lapse seismic monitoring and full waveform tomography, Hogan, C. M, University of Calgary
    • 3D anisotropic phase-shift operators, Ferguson, R. J., University of Calgary
    • Color correction for Gabor deconvolution and nonstationary phase rotation, Cheng, P., University of Calgary

 

Presentations (2008)

  • Heat kernels in quantum field theory, Dec 19 2008, Dr. Yuri Gusev, Simon Fraser University, presented at the POTSI seminar at University of Calgary
  • Numerical modeling of seismic acquisition footprint, Cooper, J.K., University of Calgary, Nov 2008, 78th Ann. Internat. Mtg: Soc. of Expl. Geophys., Las Vegas.
  • Phase-shift time-stepping for reverse-time migration, Wards, B. D., University of Calgary, Nov 2008, 78th Ann. Internat. Mtg: Soc. of Expl. Geophys., Las Vegas.
  • Rational approximation for inverse spectral problems in micro structured media, Oct 30 2008, Dr. Dali Zhang, Department of Mathematics, presented at the POTSI seminar at University of Calgary.
  • Non-stationary filters via windowing and Gabor multipliers, Oct 2 2008, Dr. Michael Lamoureux, Department of Mathematics, presented at the POTSI seminar at University of Calgary
  • Simulations of seismic acquisition footprint, Cooper, J. K., University of Calgary,  May 2008, CSEG Annual Convention, Calgary, AB.
  • Gabor deconvolution: surface-consistent and iterative, Henley, D. C., University of Calgary,  May 2008, CSEG Annual Convention, Calgary, AB.
  • Fast Gabor Imaging with Spatial Resampling, Ma, Y., University of Calgary, May 2008,  CSEG Annual Convention, Calgary, AB.
  • Seismic Modelling in 3D for Migration Testing, Margrave, G. F.,  University of Calgary, May 2008,  CSEG Annual Convention, Calgary, AB.
  • The Gelfand-Levitan Inverse Spectral Theorem and Sturm-Liouville Problems with Indefinite Weights, Apr 22 2008, Dr. Illia Karabash, University of Calgary, presented at the POTSI seminar at University of Calgary
  • Numerical Evaluation of Fourier Integral Operators,  Apr 8 2008 - 12:30pm, Dr. Michael Lamoureux, Department of Mathematics, presented at the POTSI seminar at University of Calgary
  • Fast Hessian calculation for regularization and redatum of seismic data by damped least-squares, Mar 18 2008, Dr. Rob Ferguson, Department of GeoScience, University of Calgary, presented at the POTSI seminar at University of Calgary
  • Seismic Deconvolution and Imaging in the Gabor Domain, Mar 4 2008, Dr. Gary F. Margrave, Department of Geoscience, presented at the POTSI seminar at University of Calgary
  • The nonnegative inverse eigenvalue problem, Feb 14 2008, Dr. Peter Gibson, York University, presented at the POTSI seminar at University of Calgary
  • A Compact Non-oscillatory Finite Difference Scheme for Solving Convection-Diffusion Equation, Feb 12 2008, Dr. Wenyuan Liao, Department of Mathematics, presented at the POTSI seminar at University of Calgary

Presentations (2007)

  • Prufer's Transformation II,  Nov 21 2007, Dr. Paul Binding, Dept Mathematics, presented at the POTSI seminar at University of Calgary
  • Prufer's Transformation I,  Nov 14 2007, Dr. Paul Binding, Dept Mathematics, presented at the POTSI seminar at University of Calgary
  • Inverse Electromagnetic Problems III, Nov 7 2007, Dr. Dali Zhang, Dept Mathematics, presented at the POTSI seminar at University of Calgary
  • Inverse Electromagnetic Problems II,  Oct 31 2007, Dr. Dali Zhang, Dept Mathematics, presented at the POTSI seminar at University of Calgary
  • Inverse Electromagnetic Problems I, Oct 24 2007, Dr. Dali Zhang, Dept Mathematics, presented at the POTSI seminar at University of Calgary
  • Minimum Phase Signals, Part 2, Oct 10 2007, Dr. Michael Lamoureux, Dept. Mathematics, presented at the POTSI seminar at University of Calgary
  • Minimum Phase Signals, Part 1, Oct 3 2007, Dr. Michael Lamoureux, Dept. Mathematics, presented at the POTSI seminar at University of Calgary

Presentations (pre 2006)

Numerous POTSI presentations have been given at the following events. Typically both students and principal investigators present at these meetings.

  • CREWES Sponsors meeting, November 2005, Banff, AB.
  • SEG Annual meeting, November 2005, Houston, TX.
  • IMA Thematic Year on Imaging, October 2005, Minneapolis, MN.
  • BIRS Workshop on Time-Frequency Analysis, September 2005, Banff, AB.
  • PIMS-MITACS-VIGRE Summer Grad School on Inverse Problems, August 2005, Seattle, WA.
  • CSEG Annual meeting, July 2005, Calgary, AB.
  • MITACS Annual General Meeting, May 2005, Calgary, AB.
  • ESI Program in Modern Methods of Time-Frequency Analysis, May 2005, Vienna Austria.
  • CREWES Sponsor meeting, November 2004, Banff, AB.
  • SEG Annual meeting, October 2004, Denver CO.
  • CSEG Annual meeting, July 2004, Calgary AB.
  • EAGE Annual meeting, June 2004, Paris France.
  • MITACS Annual general meeting, June 2004, Halifax NS.
  • University of Regina Analysis seminar, May 2004, Regina, SK.
  • CREWES Sponsors meeting, November 2003, Kananaskis, AB.
  • SEG Annual meeting, October 2003, Dallas, TX.
  • Workshop on Time-frequency Analysis, IMS, National University of Singapore, September 2003, Singapore.
  • CSEG Annual meeting, July 2003, Calgary, AB.
  • BIRS Workshop on Scattering and Inverse Scattering, March 2003, Banff AB.  
  • CREWES Sponsors meeting, November 2002, Kananaskis, AB.
  • SEG Annual meeting, October 2002, Salt Lake City, UT.
  • Analysis Colloquium, August 2002, University of Washington, Seattle WA.
  • Functional Analysis Colloquium, August 2002, University of California, Berkeley CA.
  • CSEG Annual meeting, July 2002, Calgary, AB.
  • MITACS Annual General Meeting, May 2002, Vancouver, BC.
  • CREWES Sponsors meeting, November 2001, Kananaskis, AB.
  • SEG Annual meeting, September 2001, San Antonio, TX.
  • PIMS Workshop on Inverse Problems and Imaging, June 2001, Vancouver, BC.
  • MITACS Annual General Meeting, May 2001, Montreal, QC.
  • CREWES Sponsors meeting, November 2000, Kananaskis, AB.
  • SEG Annual meeting, September 2000, Calgary AB.

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