## Topology-Analysis-Geometry Seminar - Qing Han, University of Notre Dame

### 11:00 AM - 12:00 PM 125 Hayes Healy Hall

Title: Constant scalar curvature metrics on toric varieties

Abstract: In a series of papers, Donaldson studied the existence of constant scalar curvature metrics on toric varieties. In this talk, we will discuss his program and some recent results.

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## Felix Klein Seminar: Luca DiCerbo - University of Notre Dame

### 2:00 PM - 3:00 PM 125 Hayes Healy Hall

Title: Fundamental group and Seshadri constants on smooth surfaces

## Logic Seminar: Andrey Frolov - Kazan Federal University

### 3:00 PM - 4:00 PM 125 Hayes Healy Hall

Title: the categoricity degrees of computable structures

## Topology Seminar: Michael Mandell - University of Indiana

### 3:15 PM - 4:15 PM 258 Hurley Hall

Title: The homotopy groups of K(S)

## Logic Seminar: Gregory Igusa - University of Notre Dame

### 1:00 PM - 2:00 PM 258 Hurley Hall

Title:  Computability strength of $\mathbb{R}$ compared to $2^\omega$

## Algebra Seminar: Jinwei Yang - University of Notre Dame

### 10:45 AM - 11:45 AM 129 Hayes-Healy Hall

Title: On the triplet vertex operator algebra and its module category

## Algebraic Geometry and Commutative Algebra Seminar: Kangjin Han - Korea Institute for Advanced Study (KIAS)

### 3:00 PM - 4:00 PM 258 Hurley Hall

Title: Syzygy bound on the cubic strand of a projective variety and 3-linear resolutions

## Felix Klein Seminar: Michael Khanevsky - University of Chicago

### 2:00 PM - 3:00 PM 125 Hayes Healy Hall

Title: Hofer length spectrum of symplectic surfaces

## Logic Seminar: Krzysztof Krupinski - University of Wroclaw

### 3:00 PM - 4:00 PM 125 Hayes Healy Hall

Title: Borel cardinalities of bounded invariant equivalence relations

Abstract

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## Mathematical Research at Notre Dame: Fred Xavier - University of Notre Dame

### 4:00 PM - 5:00 PM 129 Hayes-Healy Hall

Title: Some applications of differential geometry to complex analysis in higher dimensions

## Topology Seminar: Rune Haugseng - Max-Planck Institute for Mathematics - Bonn

### 3:00 PM - 4:00 PM 258 Hurley Hall

Title: The higer Morita category of E_n-algebras

## Math for Everyone Series: Tim Chartier, Davidson College

### 5:30 PM - 6:30 PM 105 Jordan Hall

Title:  Who's Number One?  From Ranking to Bracketology

## Mathematical Research at Notre Dame: David Galvin - University of Notre Dame

### 4:00 PM - 5:00 PM 129 Hayes-Healy Hall

Title: Some open problems in extremal graph theory

## Topology-Analysis-Geometry Seminar - Leandro Lichtenfelz, University of Notre Dame

### 11:00 AM - 12:00 PM 125 Hayes Healy Hall

Title: Nonuniqueness of Solutions of Navier-Stokes on Negatively Curved Manifolds

## Algebraic Geometry and Commutative Algebra Seminar: Mihai Fulger - Princeton University

### 3:00 PM - 4:00 PM 258 Hurley Hall

Title: Positivity for higher (co)dimensional numerical cycle classes

## Coxeter Groups Seminar: Matthew Dyer - University of Notre Dame

### 12:00 PM - 1:00 PM 258 Hurley Hall

Title: Introducgtion to Kac-Moody algebras

Abstract: I will describe the classification of generalized Cartan matrices

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## Mathematical Research at Notre Dame: Andrei Jorza - University of Notre Dame

### 4:00 PM - 5:00 PM 129 Hayes-Healy Hall

Title: The Riemann zeta function and geometry

## Logic Seminar: Alexandru Buium - University of New Mexico

### 2:00 PM - 3:00 PM 258 Hurley Hall

Title: Semantic aspects of the second formalization

## Felix Klein Seminar: Seonhee Lim - Seoul National University

### 2:00 PM - 3:00 PM 125 Hayes Healy Hall

Title: Subword complexity and sturmian colorings of trees

## Colloquium: Alexandru Buium - University of New Mexico

### 4:00 PM - 5:00 PM 231 Hayes-Healy Hall

Title:  Arithmetic analogues of some basic concepts in Riemannian geometry

## Algebraic Geometry and Commutative Algebra Seminar: Andrew Snowden - University of Michigan

### 3:00 PM - 4:00 PM 258 Hurley Hall

Title: Grobner bases for representations of categories

## Model Theory Seminar: Gabriel Conant - University of Illinois at Chicago

### 2:00 PM - 3:00 PM 125 Hayes Healy Hall

Title: Urysohn spaces over restriced spectra

## Coxeter Groups Seminar: Weijia Wang - University of Notre Dame

### 12:00 PM - 1:00 PM 258 Hurley Hall

Title: Introduction to Kac-Moody Lie Algebras VII

## Logic Seminar: Ioannis Souldatos - University of Detroit Mercy

### 11:00 AM - 12:00 PM 125 Hayes Healy Hall

Title: Spectra of Scott sentences

### Posted In: Logic Seminars

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