The Computer Algebra Group at Simon Fraser

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## CAG Schedule for 2002

January

**09**Organizational Meeting

**21**Michael Monagan: A Modular GCD Algorithm for Number Fields with Multiple Field Extensions

**28**Greg Fee: Computing Zeros of Truncated Zeta Functions.

**February**

**04**5-10 minute presentations Kevin Hare: The Reverse Engineering Calculator John Ogilvie: Group Theory for Chemical Applications with Maple Austin Roche: Solving Non-constant Invariant Abel ODEs. Michael Monagan: GCDs and Resultants over Number Fields.

**11**Jennifer de Kleine: Faster Grobner Basis Computation. Stephen Tse: Computing Polynomial Resultants over Number Fields.

**18**Alexa van der Waall: Algorithms for algebraic Lam{\'e} equations.

**25**No meeting.

**March**

**04**No meeting.

**11**Nils Bruin : Rational Points on Curves.

**18**Edgardo Cheb-Terrab : ODE trends in computer algebra: Four ODE challenges.

**25**10 minute presentations Allan Wittkopf: Investgations in a modular approach to multi-resultants Ron Ferguson: Matrix operations mod 2. Imin Chen: Modular Curves Nils Bruin: Combining congruences from reductions at distinct primes.

**May**MITACS AGM, May 23-25.

**06**Edgardo Cheb-Terrab : Some cooking recipes for DE systems.

**17**Allan Wittkopf: LinearAlgebra:-Modular, a new Maple package.

**24**No meeting

**29**Yury Brychkov: Differentiation of special functions with respect to parameters. Note: Wednesday May 29th at 3:30pm in K9509.

**31**No Meeting

**June**Excursions in Computational Number Theory, June 17-28.

**07**Peter Borwein: Some Questions on Long Low Autocorrelation Sequences. Mike Monagan: A Problem of Mixed Numerical Derivatives.

**14**Manfred Minimair: Resultants of Composed Polynomials: Mixed-mixed Case. Mike Monagan: A Solution to the Problem of Mixed Numerical Derivatives.

**21**No meeting

**26**Robert Israel: The Hundred-dollar Hundred-digit Challenge. Robert Solutions. Note: Wednesday June 26th at 3:30pm in K9509.

**28**No meeting

**July**ISSAC '02, July 7-10. MSW '02, July 28-30.

**05**No meeting.

**12**No meeting.

**19**Mike Monagan: An RSA problem and a new Groebner basis algorithm.

**24**Mark van Hoeij: Factoring polynomials by computing 0-1-vectors with lattice reduction.

**26**No meeting.

**August**Teaching and Doing Mathematics with Maple, August 12-16.

**02**TBA

**08**Summer NSERC presentations Aaron Bradford Isabelle Major Timothy Mott Jennifer Katarenchuk

**09**CECM '02

**September**

**09**Organizational meeting

**16**Greg Fee : Linear Least Squares using Orthogonal Polynomials

**23**No meeting: CECM/CoLab Opening Day

**30**Progress reports / discussion of MITACS projects Jennifer de Kleine: Faster Groebner Basis Computation with FGLM Alexa van der Waall: Patterns of Zeros of Zeta-functions Roman Pearce: A New Maple Package for Polynomial Ideals Edgardo Cheb-Terrab: The Function Wizard

**October**

**07**Demo of Parallel Maple on the Beowulf cluster (in the CoLaB).

**14**No meeting: Thanksgiving

**21**No meeting

**28**Progress reports Austin Roche: Finding the zero set of analytic functions in Maple. Allan Wittkopf: Connections between Numerical ODE methods and Homotopy root-finding methods, an exploration.

**November**

**04**Progress reports Ron Ferguson: Polyphase sequences with low autocorrelation Michael Monagan: GCDs in F[x1,x2,...,xn]: the algebraic function field case.

**11**No meeting: Remembrance Day.

**18**Meeting postponed (IRMACS talk)

**22**Stephen Wolfram: A New Kind of Science.

**25**Meeting postponed (MITACS talk)

**December**

**02**Roman Pearce: Ideal Extension and Contraction.

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