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## Computer Algebra Group at SFU - Meetings and Colloquia

### CAG Schedule for Fall 2007

**October**

3Greg Fee The Radius of Convergence of a Taylor Series3Andrew Arnold Calculating Cyclotomic Polynomials18Juergen Gerhard Maple Training Session, 9:00am - 12:00noon, K9509.19Roman Pearce Sparse Pseudo Division22Harry Watkins Mathematica 6 in Education and Research

**November**

11John Ogilvie: The Hartley Transform11Mahdi Javadi: Parallelizing C programs using Cilk

**December**

4Michael Monagan: Computing cyclotomic polynomials of large height. Mahdi Javadi: Computing GCDs over Function Fields using Sparse Interpolation.5Marc Moreno Maza: Triangular decomposition of polynomial systems. Xin Li: Fast arithmetic for triangular sets: from theory to practice. Wei Pan: Solving parametric polynomial systems with the RegularChains library in Maple. Yuzhen Xie: Solving Polynomial Systems Symbolically and in Parallel.5Zhengfeng Yang: On probabilistic analysis of randomization in hybrid symbolic-numeric algorithms.

### CAG Schedule for Summer 2007

**May**

25Herbert Wilf (PIMS talk): Mathematics: An Experimental Science28Michael Monagan: Solving linear systems over cyclotomic fields.31CMS / MITACS conference, Winnipeg, May 31 - June 3 Computer Algebra and Computer Algebra Systems session, June 1-2, 2007. Talk titles and abstracts (.pdf)

**June**

13Michael Monagan: Lecture on modular algorithms for polynomial GCD computation.20Keehong Song: Ajax & RIA for Computer Algebra Systems

**July**

4Michael Monagan: Lecture on rational reconstruction and solving linear systems.18Michael Monagan: Lecture on computing with algebraic numbers.29ISSAC '07, Waterloo, July 29 - August 1

**August**

7Liang Chen (Thesis defence) Solving Linear Systems over Cyclotomic Fields.8CECM day '078William Stein SAGE -- Open Source Mathematical Software

### CAG Schedule for Spring 2007

**January**

24Al Erickson: Computing The Edge Chromatic Number

**February**

7Michael Monagan: What is the right data structure to use for polynomial division?21Roman Pearce: Heap-Based Algorithms for Sparse Polynomial Arithmetic

**March**

7Allan Wittkopf: The GraphTheory:-IsomorphicGraphs Command21Greg Fee and John Ogilvie: Character Tables Allan Wittkopf: Parallel Computing in Maple 11 (Maple .mw file)

**April**

20Chris Mitchell: Generic collision attacks on hash-functions

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