Computer Algebra Group at SFU - Meetings and Colloquia

CAG Schedule for Fall 2005

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)
  4  TBA
 16  Ian Anderson.  3:30pm in K9509
     The Classification  Problem for Lie Algebras with
     Applications  to  Differential Geometry and  Differential Equations.
 18  Roman Pearce: TBA
        Ha Le: TBA





CAG Schedule for Summer 2005

Meetings this semester will be held at 3:30pm in K9509
on Wednesdays unless stated otherwise.




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 Rybowics, 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
     








CAG Schedule for Spring 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.




CAG Schedule for Fall 2004



September

 15  Roman Pearce: A Fast Algorithm for Computing the Radical
 20  John Mckay: The meaning of  196884 = 196883 + 1  (part I)
 29  Juergen Gerhard (3:30pm, K9509): What's new in Maple.




October

  5  Allan Wittkopf (11:00am in K9509): PhD Defense.
       Algorithms and Implementations for Differential Elimination
  6  Xiao-Shan Gao (3:30pm in K9509): Conversion Between Implicit
       and Parametric Representation of Differential Varieties
 25  MITACS project meeting. 




November

  1  Edgardo Cheb-Terrab: Numerical evaluation of Heun functions 
     Heun.mws (Maple 9 classic worksheet)
 15  MITACS project meeting.
 22  Yury Brychkov: Differentiation of special functions
       with respect to their parameters and applications.
 29  NSERC project meeting.







CAG Schedule for Summer 2004



May

6-7 MOCAA '04 University of Waterloo, Waterloo.
 8  ECCAD '04 Wilfred Laurier University, Waterloo.
20  Robert Corless: The Lambert W Function in Science, Room AQ 3181, 1:00-2:30pm.




June

  2   Jeff Farr: A Grobner Walk Implementation in Maple
10-12 MITACS 5th AGM, Dalhousie University, Halifax.
13-15 CMS Summer Meeting, Dalhousie Unviersity, Halifax.
 21   Michael Monagan: Pseudo-Random Number Generators in Maple




July

 4-7  ISSAC '04, University of Canabria, Santander, Spain.
 5-9  Workshop on Computational Arithmetic Geometry, SFU, Vancouver.
11-14 Maple Summer Workshop '04, Wilfred Laurier University, Waterloo
 19   Edgardo Cheb-Terrab: Linear ODEs, singularities and non-local transformations.
      Michael Monagan: Sharp Estimates for Triangular Sets (Xavier Dahan & Erich Schost)
 27   CECM Day '04, Halpbern Centre, SFU
      George Labahn: Solving Linear ODEs with periodic or doubly-periodic coefficients. [Adobe PDF]
      Michael Monagan & Allan Wittkopf: What's new in Maple: Release 9.5 [Maple 9 Worksheet]




August

  3  Roman Pearce: Postponed until Fall 2004.
9-13 MAPLE Course: Teaching and Doing Mathematics with Maple. 
       Course Brochure: PDF DOC,  
       Room K9509, Simon Fraser University, Vancouver.








CAG Schedule for Spring 2004

January

12 Michael Monagan: Algorithms for Polynomial GCD Computation over Algebraic Function Fields.
15 Mark Watkins: Solving Systems of Polynomial Equations via a Multiple p-adic Newton Iteration.
26 Jeffrey Farr: Computing Grobner Bases for Vanishing Ideals of Finite Sets of Points



February

 2 Greg Fee: The Hermite and Smith normal forms of integer matrices.
 9 Edgardo Cheb-Terrab: Travelling wave solutions of non-linear systems of PDE.
16 No Meeting: Spring Break
23 No Meeting: Another Break


March

 1 Roman Pearce: Computing in k[x1,...,xn]/I
    Allan Wittkopf: Zippel's Sparse Modular GCD Algorithm.
10 Peter Borwein: The Seven Million Dollar Millennium Prize Problems 
   (in K9509 @ 3:30pm)
12 Robert Corless: Computational Complexity of Initial Value Problems.
   (in K9509 @ 10:30am)
22 Edgardo Cheb-Terrab: New closed form pFq hypergeometric solutions for families of the
   General, Confluent and Bi-Confluent Heun differential equations.
24 Juergen Gerhard: New Features in Maple 9.5
   (in K9509 @ 3:30pm)
29 Jennifer de Kleine: Zippel's algorithm for the non-monic case.







CAG Schedule for Fall 2003


September   

17 Michael Monagan: Integer Rational Reconstruction
29 Greg Fee: Solving Linear Equations using Iterative Improvement


October

06 Austion Roche: Overdetermined Rational Function Decomposition with Parameters
13 Thanksgiving holiday.
18 MOCAA Consortium Meeting, Banff, Alberta
27 Edgardo Cheb-Terrab: Computing Mathieu function solutions for linear ODEs [ Maple 9 worksheet ]


November

10 Roman Pearce: Groebner Basis Conversion with FGLM
24 Jennifer de Kleine and Allan Wittkopf: TBA


December

01 Ed Packel: Projectile Motion with Resistance, Experimental Mathematics, 
   and the Lambert W Function






Past CAG meetings/colloquia


Past CAG group meetings

MITACS Symbolic Analysis Day (August 3, 1999)

A Day of Maple at SFU (April 20, 1999)

The First West Coast Computer Algebra Day, 1997

ISSAC '99





Other related events at SFU

CECM day '05
CECM day '04
CECM day '03
CECM day '02
CECM day '01
CECM day '99
CECM day '98
CECM day '97






Conferences in Computer Algebra





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