The Computer Algebra Group at Simon Fraser

CAG Schedule for 1998
January


05  Petr Lisonek, ``Topics in Trigonometric Simplification''
12  Michael Monagan: The Sensitivity of Measuring Thomson's gamma
    Parameter in Weakly Anisotropic Media''
19  Greg Fee, ``Gaussian Quadrature for High-Precision''
26  FREE
28  George Labahn, ``When are Two Polynomials Relatively Prime?''


February


02  Dominique Villard
09  Allan Wittkopf
11  Edguardo Cheb-Terrab, ``Symmetries, Integrating Factors and ODE Patterns''
16  FREE
23  Kevin Hare, ``Some Applications of the LLL Algorithm''


March


02  Petr Lisonek, ``Using the LLL Algorithm in Simplification''
09  ASI Exchange '98
11  Luis Goddyn, ``Visualization of Combinatorial Algorithms''
16  Greg Fee, ``Gibb's Phenomenon''
23  Michael Monagan, ``Simplification of Polynomials''
25  FREE
30  Dominique Villard


April


06  Allan Wittkopf, ``Factorization of c (a x + b)^n + d (e x + f)^n''
13  EASTER
20  Kevin Hare, ``A Three Vertex Colouring of the Triangles-plus-Cycle Graph:
            A Graph Colouring Problem of Erdos''
27  Dominique Villard, ``Report on Status of Code Differentiator''


June


09  Greg Reid, ``Formal Solvability of Differential Equations''
16  Maple Retreat
30  Kevin Hare: Computing the Taylor series coefficients for
    rational poly-exponential functions.


July


08  Colin Rust, Rankings of Partial Derivatives and Elimination Algorithms
    for PDE and Commutative Algebra''
08  Erich Kaltofen, ``Challenges of Symbolic Computation: My Favorite Open Problems''
09  Erich Kaltofen: Efficient Algorithms for Computing the Nearest
    Polynomial with Constrained Roots.
14  Gert Almkvist, ``Asymptotic Estimates''
21  Thomas Wolf, ``The CRACK Package''
24  David Broadhurst, ``Computer-aided Discovery in Quantum Field Theory''


August


04  (Math 498/990 final exam)
11  Allan Wittkopf, ``The Collins-Brown Multivariate GCD Algorithm''
18  term break
25  term break


October


1-3 Workshop on Parallel Symbolic Computation (MSRI, Berkeley, CA)
05  Organizational meeting.   3:30pm, CECM
19  Organizational meeting.   3:40pm, TLX 10547 
26  Greg Fee, ``GCD's Using Genpoly''


November


04  Michael Monagan, ``Generic and Efficient Algorithms'' (CECM Colloquium)
09  Kevin Hare, ``Maple, the Process Package, Bernoulli Numbers and Parallel Computation''
16  Petr Lisonek, ``The Zero Recognition Problem for Elementary Constants''
23  Allan Wittkopf, ``A New Maple Implementation of the Collins/Brown Multivariate GCD Algorithm''
30  Bill Scott, ``The Time Dependence of Lake/Aquifer Systems-Modelling''


December


07  Dominique Villard
14  Greg Reid

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