Department of

# Mathematics

Seminar Calendar
for events the day of Friday, August 30, 2013.

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Questions regarding events or the calendar should be directed to Tori Corkery.
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Friday, August 30, 2013

4:00 pm in 241 Altgeld Hall,Friday, August 30, 2013

#### Stability of Quasicrystal Frameworks in 2D and 3D

###### Eliana Duarte (UIUC Math)

Abstract: In this talk I will introduce the problem of the stability of rod an pinion frameworks in 2D and 3D. We will start by looking at rectangular and Penrose frameworks and I will give a proof of how to make these frameworks stable. To illustrate the problem I will present a real-time interactive computer animation. Finally I will explain some of the difficulties of extending the planar theorem to 3D quasicrystals.