The Computer Algebra Group at Simon Fraser

CAG Schedule for 2005
January

 14  Vahid Dabbaghian-Abdoly, The University of Calgary.
     Computing Representations of Higher Degrees of Finite Groups
 24  Moe Ebrahimi, Simon Fraser University.
     Visualizing systems of differential equations in Maple.


February

  9  Ha Le, Simon Fraser University.
     A report on Zeilberger's algorithm.
 16  Juergen Gerhard, Maplesoft.  Maple - Harnessing the Power of Mathematics.
     Mahdad Khatarinefahd: The Graph Theory Package.
 28  Chris Mitchell (4pm), University of London.
     Cryptanalysis of methods for combining confidentiality and integrity.


March

 23  Jeff Farr and Sara Khodadad: The Graph Theory Package.
     Maple demo of some Polynomial Operations (.mws)
     Maple demo of the Drawing Algorithms (.mws)


April

  6  Simon Lo, Michael Monagan, and Allan Wittkopf.
     A Modular Algorithm for Computing Characteristic Polynomials over Z.
 20  Aaron Bradford: Discrete Logarithms in GF(p)
     Mhenni Benghorbal: A Unified Formula for Integer and Arbitrary Order
     Symbolic Derivatives and Integrals of a Rational Polynomial.


May

 11  MOCAA consortium meeting, Calgary.
 12  MITACS conference, Calgary
 13  Information technology theme meeting, Calgary.


June

  1  Organizational Meeting.
  8  Greg Fee, CECM, Simon Fraser Univerity.
     A generalization of the Apollonius problem.
 15  Simon Lo, Simon Fraser University.
     Computing Characteristic Polynomials of an Integer Matrix in Maple.
     Michael Monagan, CECM, Simon Fraser University
     Implementing Set Operations in Linear Time in Maple
 22  Michael Mossinghof, Davidson College.
     A $1 Problem


July

 13   Marc Rybowicz, Department of Mathematics, University of Limoges.
      On the reliable computation of the monodromy of a plane algebraic curve.
 15   Yutaka Abe, Hokkaido Automotive Engineering College, Sapporo:
      The Lie Transformation in Hamiltonian Dynamics: A perturbation approach to Hamiltonian Chaos.
17-20 Maple '05 conference, Waterloo, Ontario.
 29   Chris Mitchell (K9509, 2pm), University of London.
      Error Oracle Attacks and CBC Encryption
24-27 ISSAC '05, Beijing, China


August

  3  CECM DAY
     Walter Gander, Swiss Federal Institute of Technology, Zurich.
     Generating Numerical Algorithms Using Computer Algebra
  4  Roman Pearce (K9509, 10:30am), Simon Fraser University.
     Rational Expression Simplification with Polynomial Side Relations
     



September

 14  Organizational Meeting.
     Roman Pearce, CECM, Simon Fraser University.
     A QuotientRings Package for Maple
 30  MITACS Projects Presentations.
     Mohammad Ghebleh, New features of the GraphTheory package.
     Mahdi Javadi, Creating and drawing random networks.
     Michael Monagan, An output-sensitive modular algorithm for resultants.


October

 12  Frederic Chyzak, Project Algorithms, INRIA, Roquencourt.
     Computing multisections of a given series solution to a linear differential operator.
 14  Roman Pearce, CECM, SFU
     Factoring Zero-Dimensional Polynomial Systems
 21  Michael Monagan, CECM, SFU
     Three Problems in Computer Algebra.


November

  2  Sara Khodadad, School of Computing Science, SFU, 10:00 am in K9509
     Fast Rational Function Reconstruction (Masters thesis defense)
 16  Ian Anderson.  3:30pm in K9509
     The Classification  Problem for Lie Algebras with
     Applications  to  Differential Geometry and  Differential Equations.
 18  Roman Pearce, CECM, SFU.
     The F4 and F5 Algorithms for Computing Groebner Bases
 30  Ha Le, CECM, SFU.  3:30pm in K9509.
     On a Maple implementation of algorithms for computing Ore closure.



December

  2  Colin Percival, MITACS.
     Variations on a theme: From QS to SSSIQS
 14  Marni Mishna, CECM, SFU.  3:30pm in K9509.
     Some Automatic Combinatorics using Symmetric Functions and Maple

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