Current news and notes:

- Our lectures will be held in MA 313 from now on. This decision was met by the BMS administration since our class size exceeds the recommended seating for the room. I hope we can reproduce the U-shaped seating from 212 in 313 — with your help I think we shouldn’t have any problem adjusting the new roomier quarters.
- Check out this attractive web-site featuring mathematical visualization and education. It was recently awarded a gold prize in a European competition for internet and mobile apps. I found quite a few things to like, particularly the interactive Mandelbrot zoomer.
- Assignment4 is ready for download — although I may add something else over the weekend, the first part is ready to work on. The assignment will be due Friday 29.11 at midnite.

**Symmetry and groups. **Mr. Gunn introduced the concepts of symmetry, focusing on patterns in the euclidean plane. The set of symmetries of a pattern he showed to form an algebraic structure known as a *group*. He introduced three categories of symmetry groups in the euclidean plane based on the translational subgroup of the group. … to be continued… Here are some good lecture notes on euclidean symmetries from last year’s course. Here is an introduction to the Conway notation for groups.

Here is a basic treatment by Prof. Sullivan of transformation group theory.

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