**UM Math Graduate Students Seminar**

Yishu Song

* University of Miami *

**will present**

**Self-Organized Criticality**

Friday, October 24, 2014, 2:30pm

Ungar Building Room 402

**Abstract: **

We'll discuss what self-organized criticality means with some real-world examples. To add mathematical flavor, we'll discuss a simple model of self-organized criticality, namely, the Bak-Sneppen model. Simple as this model may look, it is very difficult to prove rigorously results on its long-time behavior. Then we'll discuss some modified models and probable ideas and methods to analyze these models.

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