### Fall term 2023

**Tilings and Patterns**

- First midterm exam on Tuesday, October 17, at 12-15 in M3 (Quantum 3rd floor). Material to read: Chapters 1-4 in the lecture notes (up to page 61), first seven homework sets.
- On Thursday, October 5, we have extra homework session replacing lecture.
- On the week October 9-13 we only have homework on Monday. No lectures.

**Some slides (pdf, best viewed in full screen mode): **

**General introduction to some topics of the course (mostly symmetries**)**Plane isometries are compositions of at most three reflections****Frieze group examples****Deriving the 17 wallpaper groups****Flow chart to determine wall paper groups****Robinson’s aperiodic Wang tile set****An aperiodic Wang tile set of 14 tiles****On the undecidability of tiling problems**

**Lecture Notes (pdf): **

**Lecture Slides (pdf):**

**Lecture 30.8.****Lecture 31.8.****Lecture 5.9.****Lecture 6.9.****Lecture 7.9.****Lecture 14.9.****Lecture 19.9.****Lecture 20.9.**

**Lecture 27.9.****Lecture 28.9.**