## Colloquium

### Monday, 19 September 2016

#### Reading Seminar on Automorphic Forms

*Reading Seminar for Automorphic Forms*at 9:00a.m. in VinH 570

Please send an email to wanxx123@umn.edu for more information.

#### Student Number Theory Seminar

*Student Number Theory Seminar*at 12:20p.m. in VinH 313

Title: A Crash Course in Lie Theory and Reductive Groups Abstract: Reductive groups such as GL(n), O(n), and Sp(n) are ubiquitous in modern mathematics. The ...
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Please send an email to grodz007@umn.edu for more information.

#### Topology Seminar

*Topology Seminar*at 2:30p.m. in VinH 311

Please send an email to cwesterl@umn.edu for more information.

#### Automorphic Forms and Number Theory

*Epstein zeta functions, II*at 3:35p.m. in VinH 311

**Paul Garrett**

Please send an email to garrett@umn.edu for more information.

#### Cockburn's Seminar

*Approximating Functions with Singularities*at 3:35p.m. in 213 Vincent Hall

Title: Approximating Functions with Singularities

### Tuesday, 20 September 2016

#### Climate Seminar

*Climate Change Seminar*at 11:15a.m. in VinH 570

**Richard McGehee**(

*University of Minnesota, School of Mathematics*)

An Introduction to Budyko's Equation

Please send an email to mcgehee@umn.edu for more information.

#### Differential Geometry / Symplectic Topology Seminar

*Differential Geometry and Symplectic Topology seminar*at 1:25p.m. in Vinh 570

Please send an email to lixxx248@umn.edu for more information.

#### IMA Data Science Lab Seminar

*Xiuyuan Cheng: Limiting Spectrum of Random Kernel Matrices*at 1:25p.m. in Lind 305

**Xiuyuan Cheng**(

*Yale University*)

We consider n-by-n matrices whose (i, j)-th entry is f(X_i^T X_j), where X_1, ...,X_n are i.i.d. standard Gaussian random vectors in R^p, and f is ...
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Please send an email to lerman@umn.edu for more information.

### Wednesday, 21 September 2016

#### Algebraic Geometry

*New Relations on Caporaso-Harris Invariants and More*at 2:30p.m. in VinH 113

Caporaso-Harris invariants count the number of nodal curves on theprojective plane satisfying given tangency conditions with a line. Those invariants are first proved to satisfy ...
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Please send an email to ytzeng@umn.edu for more information.

#### PDE Seminar

*Poisson stochastic Process and Basic Schauder and Sobolev-Space Estimates in the Theory of Parabolic Equations*at 3:30p.m. in VinH 113

**Nicolai Krylov**(

*University of Minnesota*)

We show how knowing Schauder and Sobolev-space estimates for the one-dimensional heat equation allows one to derive their multidimensional analogs for equations with coefficients depending ...
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Please send an email to capop@umn.edu for more information.

### Thursday, 22 September 2016

#### IMA Annual Program

*C. Eugene Wayne: The Derivation and Justification of Modulation Equations for Optical Systems*at 11:00a.m. in Lind 305

**C. Eugene Wayne**(

*Boston University*)

“Modulation” or “Amplitude” equations are simplified equations that are believed to capture the essentials of the behavior of more complicated physical systems. Examples include the ...
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#### Geometric Analysis Learning Seminar

*Geometric Analysis Learning Seminar*at 11:10a.m. in VinH 570

Please send an email to hexxx221@umn.edu for more information.

#### Commutative Algebra Seminar

*The Sandpile Group of a Finite Group Representation*at 11:15a.m. in Vincent Hall 203 A

**Vic Reiner**

(joint work with G. Benkart and C. Klivans; arXiv:1601.06849) For any (finite-dimensional, faithful, complex) representation of a finite group G, we define a new invariant, ...
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Please send an email to cbekesc@math.umn.edu for more information.

#### Math Club Seminar

*Math Club*at 12:20p.m. in VinH 570

Please send an email to mathclub.umn@gmail.com for more information.

#### Differential Geometry / Symplectic Topology Seminar

*Properties of Translating Solitons*at 1:25p.m. in Vinh 570

**Li Ma**(

*Henan Normal University, China*)

We discuss various properties of translating soliton hypersurfaces in R^{n+1}. We also consider their monotonicity formula, Kato inequality, and some Bernstein type results. The main ...
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Please send an email to lixxx248@umn.edu for more information.

#### SIAM Student Reading Group Seminar

#### Colloquium

*Colloquium - TBA*at 3:30p.m. in Vincent Hall 16

Please send an email to cad@umn.edu for more information.

#### Student Combinatorics Seminar

*Student Combinatorics Seminar*at 4:40p.m. in VinH 213

Please send an email to douvr001@umn.edu for more information.

### Friday, 23 September 2016

#### IMA Industrial Problems Seminar

*SIAM Internship Panel*at 1:25p.m. in Lind 305

**-**(

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The event will have graduate students speaking about their experiences with their summer internships and professors speaking about their experience facilitating internships. Following their talks, ...
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#### Probability Seminar

*The energy landscape of the Sherrington-Kirkpatrick model*at 2:30p.m. in VinH 207

**Wei-Kuo Chen**(

*UMN*)

The Sherrington-Kirkpatirck (SK) model is a mean-field spin glass introduced by theoretical physicists in order to explain the strange behavior of certain alloy, such as ...
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Please send an email to arnab@umn.edu for more information.

#### Applied and Computational Math Colloquium

*Applied and Computational Math Colloquium*at 2:30p.m. in Vincent Hall 2

Please send an email to jyfoo@umn.edu for more information.

#### Lie Theory Seminar

*Lie Theory Seminar*at 3:30p.m. in Vincent Hall 301

Please send an email to dhjiang@math.umn.edu for more information.

#### Combinatorics Seminar

*Evenness of Reduced Word Graphs*at 3:35p.m. in VinH 6

**Darij Grinberg**

The reduced expressions for a given element w of a Coxeter group (W, S) can be regarded as the vertices of a directed graph R(w); ...
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Please send an email to mchmutov@GMAIL.com for more information.

#### MCFAM Seminar

*Empirical Minimum Variance Delta hedging*at 5:30p.m. in Vincent Hall 16

**Dr. Javier Acosta**(

*University of Minnesota School of Mathematics Alumnus- PhD Program*)

This presentation will review the recent paper "Optimal Delta Hedging for Options" (Hull and White, 2016). The goal of Delta-hedging is to minimize the variance ...
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Please send an email to rdixon@math.umn.edu for more information.