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Topology/Geometry Zoom Seminar, 9-10 am PST

Summer-Fall 2020, Winter-Spring 2021

Date Speaker Title
July 2 David Wraith
National University of Ireland Maynooth
Two-positive Ricci curvature on highly connected manifolds
July 9 Mark Walsh
National University of Ireland Maynooth
The Space of Positive Scalar Curvature Metrics on a Manifold with Boundary
July 16 Demetre Kazaras
Duke University
Harmonic Functions and The Mass of 3-Dimensional Asymptotically Flat Riemannian Manifolds
July 22 Bradley Burdick
University of California at Riverside
Gluing Ricci positive manifolds
July 29 Fred Wilhelm
University of California at Riverside
Jacobi Field Comparison: Rauch & Riccati meet Grey, O'Neill, and Wilking.
August 5 Catherine Searle
Wichita State University
Almost non-negatively curved 4-manifolds with torus symmetry.
August 12 Michael Albanese
Université du Québec à Montréal
The Yamabe invariant of Inoue surfaces.
August 19 Thomas Murphy
California State University, Fullerton
3-symmetric spaces, Ricci solitons and homogeneous structures.
August 26 Mark Walsh
National University of Ireland Maynooth
H-Spaces, Loop Spaces and Intermediate Ricci Curvatures.
September 2 Michael Albanese
Université du Québec à Montréal
H1 cup length, positive scalar curvature, and low-dimensional aspherical manifolds.
September 9 Shoo Seto
California State University, Fullerton
Fundamental gap on spheres
September 16 Lawrence Mouillé
Rice University
Torus actions on manifolds with positive intermediate Ricci curvature
September 23 Mohammed L. Labbi;
University of Bahrain
On compact manifolds with positive modified Einstein tensors
September 30 Mattias Wink
UCLA
Vanishing and Estimation Results for Betti numbers        pdf
October 7 Alice Lim
Syracuse University
Classification of Locally Homogeneous Compact Three-Manifolds Which Admit Quasi-Einstein Metrics
October 14 Megan Kerr
Wellesley College
Existence of homogeneous Einstein metrics: a simplicial complex via butterflies
October 21 Richard Bamler
UC Berkeley
Uniqueness of Weak Solutions to the Ricci Flow and Topological Applications
October 28 Georg Frenck
Karlsruhe Institute of Technology
The space of positive Ricci curvature metrics
November 4 Anusha Krishnan
Syracuse Univesity
Prescribing Ricci curvature on Sd1 + 1 × Sd2
November 11 Regina Rotman
University of Toronto
Ricci curvature, the length of a shortest periodic geodesic and quantitative Morse theory on loop spaces
November 18 Raquel Perales
IMATE-UNAM Oaxaca
Intrinsic Flat convergence of manifolds
November 25
December 2 Miguel DomÍnguez Vázquez
Santiago de Compostela
Homogeneous and inhomogeneous isoparametric hypersurfaces in quaternionic hyperbolic spaces
December 9 Simone Cecchini
University of Göttingen
Long neck principle with positive scalar curvature
December 16 Aleksandar Milivojevic
Stony Brook
Spinh and some further generalizations of spin
January 6 Michael Wiemeler
Mathematics Münster
On the homotopy type of the space of metrics of positive scalar curvature
January 13 Paula Burkhardt-Guim
UC Berkeley
Pointwise lower scalar curvature bounds for C0 metrics via regularizing Ricci flow
January 20 Wolfgang Ziller
University of Pensylvania
A variational approach to prescribing the Ricci tensor
January 27 Mcfeely Jackson Goodman
UC Berkeley
Moduli spaces of Ricci positive metrics in dimension five
February 3 Demetre Kazaras
Duke University
The spacetime Laplace equation on initial data sets for Einstein's equations
February 10 Jonathan Rosenberg
University of Maryland
Positive scalar curvature on pin+ and pin- manifolds
February 17 Yevgeny Liokumovich
University of Toronto
Foliations of 3-manifolds of positive scalar curvature by surfaces of controlled size
February 24 David González Álvaro
Universidad Politécnica de Madrid
Infinite families of manifolds of positive k-th intermediate Ricci curvature with k small.
March 3 Anand Dessai
University of Fribourg, Switzerland
Moduli spaces of metrics of nonnegative sectional curvature
March 10 Philipp Reiser
Karlsruhe Institute of Technology
Generalized Surgery on Riemannian Manifolds of Positive Ricci Curvature
March 17 Anna Siffert
Mathematics Münster
p-harmonic functions on Lie groups of Iwasawa type
March 24 Spring Break
March 31 Erin Griffin
Syracuse University
Ambient Obstruction Solitons and Homogeneous Gradient Bach Solitons
April 7 Bradley Burdick
University of California at Riverside
The space of positive Ricci curvature metrics on spin manifolds.
April 14 Adam J Moreno
UCLA
Locating the Boundary of Leaf Spaces with Pre-Sections
April 21 Lee Kennard
Syracuse University
Non-cyclic fundamental groups and the Grove symmetry program
April 28 Bernhard Hanke
Augsburg University
Positive scalar curvature on manifolds with odd order abelian fundamental groups
May 5 David Auckly
Kansas State University
Exotic Families of Diffeomorphisms
May 12 John Harvey
Swansea University
Positively curved Riemannian 4-orbifolds with circle actions
May 19 Elahe Khalili Samani
Syracuse University
Positively curved manifolds with discrete symmetry
May 26
June 2 Georg Frenck
Karlsruhe Institute of Technology
Diffeomorphisms and positive curvature
June 9 Mcfeely Jackson Goodman
UC Berkeley
Moduli spaces of nonnegatively curved metrics on exotic spheres.
June 16 Gideon Maschler
Clark University
Distinguished Kähler metrics and shear operators
June 23 William Wylie
Syracuse University
Rigidity of Homogeneous Gradient Soliton Metrics and Related Equations
June 30 David Degen
Karlsruhe Institute of Technology
On the topology of moduli spaces of Ricci flat metrics