# Duke Probability Seminar

### A seminar for the probability community at Duke, both in and outside of the Mathematics Department.

To joint the Duke probability mailing list visit: subscribe to probability-seminar.

**Upcoming Seminars:**
- Thursday, September 28, 2017, 3:15pm, 119 Physics, Probability Seminar

*Geometric ergodicity of stochastic splitting schemes for (generalized) Langevin dynamics*

Matthias Sachs (SAMSI/Duke)
- Thursday, October 5, 2017, 3:15pm, 119 Physics, Probability Seminar

*Genealogies in growing sold tumors*

Rick Durrett
- Over the past decade, the theory of tumor evolution has largely focused on the selective sweeps model. According to this theory, tumors evolve by a succession of clonal expansions that are initiated by driver mutations. In a 2015 paper, Sottoriva et al collected genetic data of various types from 349 individual tumor glands were sampled from the opposite sides of 15 colorectal tumors and large adenomas. Based on this the authors proposed an alternative theory of tumor evolution, the so-called {\bf Big Bang model}, in which one or more driver mutations are acquired by the founder gland, and the evolutionary dynamics within the expanding population are predominantly neutral. In this talk we will describe a simple mathematical model that reproduces the observed phenomena and makes quantitative predictions.

- Thursday, October 12, 2017, 3:15pm, 119 Physics, Probability Seminar

*Frogs!*

Erin Beckman
- Thursday, October 19, 2017, 3:15pm, 119 Physics, Probability Seminar

*Sharp Threshold for K_4 percolation*

Brett Kolesnik (NSERC postdoc at Berkeley)
- Thursday, October 26, 2017, 3:15pm, UNC Hanes Hall 125, Probability Seminar

*TBA*

Natalie Stanley (UNC)
- Thursday, November 2, 2017, 3:15pm, 119 Physics, Probability Seminar

*TBA*

Gerandy Brito (Georgia Tech)
- Thursday, November 9, 2017, 4:15pm, Hanees Hall 125 UNC, Probability Seminar

*TBA*

Suman Chakraborty (UNC)
- Thursday, November 16, 2017, 3:15pm, 119 Physics, Probability Seminar

*TBA*

David Sivakoff
- Thursday, November 23, 2017, 3:15pm, 119 Physics, Probability Seminar

*Thanksgiving*

no seminar
- Thursday, November 30, 2017, 4:15pm, UNC Hanes Hall 125, Probability Seminar

*TBA*

Eric Friedlander
- Thursday, December 7, 2017, 3:15pm, UNC Hanes 125, Probability Seminar

*TBA*

Jim Nolen

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