The Computer Algebra Group at Simon Fraser

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CAG Schedule for 1999

February

    

10  (snow storm - SFU was closed)
17  Edgardo Cheb-Terrab, ``Some Problems in Differential Eqations''
24  Michael Monagan, ``Maple Internal Structures and Consequences''



March

    

03  Greg Fee, ``GCDs in Z[x,y] Using phi(a(x,y)) = a(h(y),y) for h(y) is in Z[y]''
10  Kevin Hare, ``RSA, LLL, and Coppersmith's Theorem''
17  Petr Lisonek, ``Reconstructing Complex Rationals from Modular Images''
24  Peter Borwein, ``Three Pieces of (Computational) Number Theory and a Litle Philosophy''
31  Mark Siggers, ``Generic Univariate Hensel Lifting''



April

    

07  (starting at 9:00am!)
    Michael Ludkovski, ``Browns Dense Modular GCD Algorithm versus Zippel's
                       Sparse Modular GCD Algorithm'' (Directed Studies talk)
    Wolfram Bentz, ``Berlekamp's Factorization Algorithm for a(x) in Zp[x]''
14  Matt Klassen, ``The Reverse Engineering Calculator''
20  A DAY OF MAPLE AT SIMON FRASER:
    9:30-9:50	Greg Fee: ``Gauss-Legendre quadrature''
    10:00-10:20	Allan Wittkopf: RIFsimp: a package for simplification
                and preprocessing of PDE/ODE systems.
    10:30-10:50	Edgardo Cheb-Terrab: Computer algebra approach for 
                solving analytic systems of DEs.
    11:00-12:00	Jacques Carette: ``What's new in the Maple kernel.''         
    1:30-2:30	Jaques Carette: ``What's new in the Maple library''         
    2:30-2:50	Petr Lisonek: Simplification of elementary functions and 
                elementary constants in Maple.         
    3:30-3:50	Kevin Hare: Rapid computation of Bernoulli numbers, Euler numbers 
               	 	and other rational poly-exponential functions.         
    4:00-4:20	Matt Klassen: ``Number recognition: the reverse engineering calculator''



May

    

12  Edgardo Cheb-Terrab, ``On the Hunt for New Integrable Abel ODE Classes''
26  Petr Lisonek, ``Applications of Elimination Theory in Geometric Reasoning''



June

    

02  Petr Lisonek, ``Applications of Elimination Theory in Geometric Reasoning'' (Part 2)      
09  Edgardo Cheb-Terrab, ``The Grassmann Package''
16  Edgardo Cheb-Terrab, ``The Quantum Fields (QFT) Package''
30  Michael Monagan, ``Visual's for Concepts in Undergrad Mathematics''

               

July

    

14  David Holmgren, ``Information from the Stars - Nonlinear Least-squares in Astrophysics''
21  Robert Israel, ``Rigidity of Tetrahedra''
28-31 ISSAC



August


September

    

22 Michael Monagan, ``Computing in Q(alpha)[x1,x2,...,xn] where the Number
                 Field Q(alpha) has Low Degree''
29 Edgardo Cheb-Terrab, ``dsolve Design''



October

    

06 Michael Monagan: ``Rational Reconstruction Applied to lex Groebner Bases''
   Greg Fee: ``Fast Computation of Binomial Coefficients''
13 Allan Wittkopf: ``The Characteristic Sets Method for Solving Systems of Polynomial Equations''
   Michael Monagan: ``A Fast Implementation of the Dense Modular GCD Algorithm for Z[x,y] and a
                      Comparison with Other Methods in Maple''
20 Petr Lisonek, ``Some Properties of Multipolynomial Resultants''
27 Kevin Hare, ``Pisot Numbers''.



November

    

10 Colin Percival, ``Rapid Multiplication Modulo a +- b, e.g. k*2^n +- 1''

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