Topology/Geometry Zoom Seminar

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Topology/Geometry Zoom Seminar, 9-10 am PST

Summer-Fall 2020, Winter-Spring 2021
Organizers: Boris Botvinnik (University of Oregon) and Catherine Searle (Wichita State University)

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 S^{d₁ + 1} × S^d₂
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	Spin^h 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