Department of

# Mathematics

Seminar Calendar
for events the day of Thursday, October 10, 2019.

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Questions regarding events or the calendar should be directed to Tori Corkery.
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Thursday, October 10, 2019

1:00 pm in 241 Altgeld Hall,Thursday, October 10, 2019

#### To Be Announced

###### William Banks (University of Missouri)

4:00 pm in 235 Altgeld Hall,Thursday, October 10, 2019

#### Nonlocal Problems with the Fractional Laplacian and Their Applications

###### Yanzhi Zhang   [email] (Missouri University of Science and Technology)

Abstract: Recently, the fractional Laplacian has received great attention in modeling complex phenomena that involve long-range interactions. However, the nonlocality of the fractional Laplacian introduces considerable challenges in both analysis and simulations. In this talk, I will present numerical methods to discretize the fractional Laplacian as well as error estimates. Compared to other existing methods, our methods are more accurate and simpler to implement, and moreover they closely resembles the central difference scheme for the classical Laplace operator. Finally, I will show some applications of nonlocal problems involving the fractional Laplacian.