Geometry and Topology Seminar

The Geometry and Topology Seminar meets on Wednesday afternoons at 3:45pm CT in PHSC 1105. For more information about the seminar, contact Nick Miller.

Spring 2024

January 24 3:45pm (CST) PHSC 1105	Ricardo Mendes University of Oklahoma	Algebraicity of singular Riemannian foliations
January 31 3:45pm (CST) PHSC 1105	Jeremy West University of Oklahoma	\(\Sigma\)-Invariants of Surface Houghton Groups
February 7 3:45pm (CST) PHSC 1105	Carolyn Abbott Brandeis University	Morse boundaries of CAT(0) cubical groups
February 14 3:45pm (CST) PHSC 1105	Tomoya Tatsuno University of Oklahoma	Abstract Automorphisms of Heisenberg Groups from a Geometric Perspective
February 21 3:45pm (CST) PHSC 1105	Jenya Sapir Binghamton University	Geodesics on high genus surfaces
February 28 3:45pm (CST) PHSC 1105	Mike Davis The Ohio State University	Mod p homology growth for right-angled Artin groups
March 6 3:45pm (CST) PHSC 1105	Jonathan Johnson Oklahoma State University	Order-Preserving Braids
March 13 3:45pm (CDT) PHSC 1105	Damien Osajda University of Copenhagen	Tits Alternative for groups acting on 2-dimensional CAT(0) complexes
March 27 3:45pm (CDT) PHSC 1105	Jing Tao University of Oklahoma	Taming tame maps of surfaces of infinite type
April 3 3:45pm (CDT) PHSC 1105	Homin Lee Northwestern University	Rigidity of actions by higher rank lattice
April 10 3:45pm (CDT) PHSC 1105	Slot being held TBA	TBA
April 17 3:45pm (CDT) PHSC 1105	Slot being held TBA	TBA
April 24 3:45pm (CDT) PHSC 1105	Didac Martinez Granado University of Luxembourg	The space of co-geodesic currents of a hyperbolic group
April 30 3:45pm (CDT) PHSC 1105	Sanghoon Kwak University of Utah	Nonunique Ergodicity on the Boundary of Outer Space

Fall 2024

August 21
4:00pm (CDT)
PHSC 1105

Nick Miller

Organizational Meeting

Show semesters preceding Fall 2024

August 30 3:45pm (CDT) PHSC 1105	Travis Mandel University of Oklahoma	Canonical coordinates on decorated Teichmüller space
September 6 3:45pm (CDT) PHSC 1105	Michael Jablonski University of Oklahoma	It doesn't take much to pin down your favorite semi-simple Lie group
September 20 3:45pm (CDT) PHSC 1105	Matthew Scalamandre Notre Dame University	A Solomon-Tits Theorem for Rings
September 27 3:45pm (CDT) PHSC 1105	Rachel Skipper University of Utah	Braiding groups of homeomorphisms of the Cantor set
October 4 3:45pm (CDT) PHSC 1105	Anuradha Ekanayake University of Oklahoma	Cusped hyperbolic 3-manifolds with a compact totally geodesic boundary
October 11 3:45pm (CDT) PHSC 1105	Maya Verma University of Oklahoma	Torsion-Free Uniform Lattices in Aut(\(X_{m,n}\))
October 25 3:45pm (CDT) PHSC 1105	Peter Patzt University of Oklahoma	Improved homological stability for \(\operatorname{GL}_n \mathbb Z\)
November 1 3:45pm (CDT) PHSC 1105	Tatiana Abdelnaim University of Oklahoma	High Dimensional Cohomology of Arithmetic Groups
November 8 3:45pm (CST) PHSC 1105	Joint with Karcher Colloquium
November 15 3:45pm (CST) PHSC 1105	Michelle Chu University of Minnesota	Surfaces in two-bridge knots from intersecting components in the character variety
December 6 3:45pm (CST) PHSC 1105	Leonard Rubin University of Oklahoma	Characterizing Dimension in Inverse Systems

January 25 4:00pm (CST) PHSC 1105	Jing Tao University of Oklahoma	Classification of isometries
February 8 4:00pm (CST) PHSC 1105	Nicholas Miller University of Oklahoma	Unmarked simple length spectral rigidity for covers
February 15 4:00pm (CST) PHSC 1105	Tatiana Abdelnaim University of Oklahoma	General Exam Talk: The Codimension-one Cohomology of SL_n(Z)
February 22 4:00pm (CST) PHSC 1105	Samuel Lin University of Oklahoma	A Basic Weyl’s Law for Singular Riemannian Foliations
March 1 4:00pm (CST) PHSC 1105	Samuel Lin University of Oklahoma	Spectral Multiplicity and Nodal Domains of Torus-invariant metrics
March 8 4:00pm (CST) PHSC 1105	Tullia Dymarz University of Wisconsin, Madison	Tukia type theorems in quasi-isometric rigidity of SOL-like groups
March 22 4:00pm (CDT) PHSC 1105	Wenchuan Tian University of California in Santa Barbara	Compactness conjecture for closed Riemannian 3-manifold with non-negative scalar curvature
March 29 4:00pm (CDT) PHSC 1105	Alex Margolis Vanderbilt University	Model geometries dominated by locally finite graphs
April 5 4:00pm (CDT) PHSC 1105	András Lőrincz University of Oklahoma	Borel-Moore homology of determinantal varieties
April 12 4:00pm (CDT) PHSC 1105	Justin Malestein University of Oklahoma	The density of Penner-Thurston pseudo-Anosov mapping classes
April 19 4:00pm (CDT) PHSC 1105	Rob Merrell University of Oklahoma	General Exam Talk: Dehn functions of coabelian subgroups (algebraic triangle method)
April 20 4:00pm (CDT) PHSC 1105	Hayden Hunter University of Florida	On Higher Dimensional Milnor Frames
April 26 4:00pm (CDT) PHSC 1105	Pratit Goswami University of Oklahoma	General Exam Talk: Dehn Functions of Coabelian Subgroups (Algebraic Square Method)
May 3 4:00pm (CDT) PHSC 1105	Meng-Che “Turbo” Ho California State University Northridge	Representative systems of some metabelian groups

September 2 4:00pm (CDT) PHSC 1105	Anna Fino Università di Torino	Special Hermitian metrics and suspensions
September 7 3:45pm (CDT) PHSC 809	Jing Tao University of Oklahoma	On surface homeomorphisms
September 14 3:45pm (CDT) PHSC 809	Greg Muller University of Oklahoma	Superunitary regions of cluster algebras
September 21 3:45pm (CDT) PHSC 809	Joshua Pankau University of Oklahoma	Totally Real Number Fields Arising From Thurston's Construction
September 28 4:00pm (CDT) PHSC 809	Jeremy Miller Purdue University	Mapping class group actions on configuration spaces
October 19 3:45pm (CDT) PHSC 809	Peter Patzt University of Oklahoma	The quotients of the congruence subgroups of braid groups
October 26 4:00pm (CDT) PHSC 809	Jean-Francois Lafont Ohio State University	Knotted flats in high dimensional CAT(0) manifolds
November 2 4:00pm (CDT) PHSC 809	Mark Pengitore University of Virginia	Residual finiteness of the mapping class group with respect to solvable covers
November 9 1:30pm (CST) PHSC 356	Tomoya Tatsuno University of Oklahoma	Quarter Pinched Homogeneous Spaces of Negative Curvatures
November 16 4:00pm (CST) PHSC 809	Ben Schmidt Michigan State University	Preserve one, preserve all.

February 23 4:00pm (CST) Zoom	Neil Hoffman (Virtual Redbud) Oklahoma State University	Distinguishing Seifert fibered spaces and lens spaces
March 2 3:45pm (CST) PHSC 809	Ricardo Mendes	A geometric take on Kostant's Convexity Theorem
March 9 3:45pm (CST) PHSC 809	Samuel Lin	Spectral Multiplicity and Nodal Sets for Generic Torus Invariant Metrics
March 23 4:00pm (CDT) PHSC 809	Catherine Searle Wichita State University	Positive (p, n)-intermediate scalar curvature and cobordism
March 30 4:00pm (CDT) Zoom	Hung Tran (Virtual Redbud) University of Oklahoma	Superexponential Dehn functions inside CAT(0) groups
April 13 4:00pm (CDT) Zoom	Sümeyra Sakalli (Virtual Redbud) University of Arkansas	Complex ball quotients and new symplectic 4–manifolds with nonnegative signatures
April 20 3:45pm (CDT) PHSC 809	Maya Verma	Commensurability and quasi-isometric classification of hyperbolic surface group amalgams
April 27 4:00pm (CDT) Zoom	Yan Mary He (Virtual Redbud)	The Nielsen realization problem for some big mapping class groups
July 25 2:00pm (CDT) PHSC 1105	Romina Arroyo Universidad Nacional Cordoba	Invariant SKT structures on nilmanifolds

September 1 3:45pm (CDT) PHSC 809	Justin Malestein	The Big Swindle
September 8 3:45pm (CDT) PHSC 809	Max Forester	Incommensurable groups with common Cayley graphs and combinatorial models
September 15 4:00pm (CDT) Zoom	Michael Shumate (Virtual Redbud) University of Arkansas	Grid invariants for singular Legendrian links
September 22 3:45pm (CDT) PHSC 809	Ryan Gueli	Unicorns and the Hyperbolicity of Arc & Curve Graphs
October 6 4:00pm (CDT) Zoom	Josh Pankau (Virtual Redbud) University of Oklahoma	Pseudo-Anosov Stretch Factors Coming From Thurston's Construction
October 13 4:00pm (CDT) Zoom	Baris Coskunuzer University of Texas at Dallas	Geometric Approaches on Persistent Homology
October 27 4:00pm (CDT) Zoom	Neil Hoffman (Virtual Redbud) Oklahoma State University	Recovering knot diagrams from triangulations
November 3 3:45pm (CDT) PHSC 809	Luke Dechow	Isomorphisms Between Big Mapping Class Groups
November 10 4:00pm (CST) Zoom	Matt Insall Missouri University of Science and Technology	The Fixed Point Property for Some Planar Continua - Preliminary Report
November 17 4:00pm (CST) Zoom	Jonathon Johnson (Virtual Redbud) Oklahoma State University	Bi-orderability and pretzel knots
December 10 4:00pm (CST) Zoom	Peter Patzt (Virtual Redbud) University of Oklahoma	Steinberg module in algebraic topology

Geometry and Topology Seminar

Spring 2024

Fall 2024

Fall 2023

Spring 2023

Fall 2022

Spring 2022

Fall 2021

Spring 2021

Fall 2020

Spring 2020

Fall 2019

Spring 2019

Fall 2018

Spring 2018

Fall 2017

Spring 2017

Fall 2016

Spring 2016

Fall 2015

Spring 2015

Fall 2014

Spring 2014

Fall 2013

Spring 2013

Fall 2012

March 17 4:30pm (CDT) Zoom	Jing Tao University of Oklahoma	Genericity of hyperbolicity, I
March 24 4:30pm (CDT) Zoom	Jing Tao University of Oklahoma	Genericity of hyperbolicity, II

September 30 4:30pm (CDT) Zoom	Hoang Thanh Nguyen Peking University	Subgroup distortion of 3-manifold groups
November 4 4:30pm (CST) Zoom	Ricardo Mendes University of Oklahoma	Pinched 4-manifolds

January 22 4:00pm (CST) PHSC 809	Jing Tao University of Oklahoma	Shape of the Thurston norm ball
January 29 4:00pm (CST) PHSC 809	Jorge Lauret Universidad Nacional de Córdoba, Argentina	The beta operator of a homogeneous space revisited
February 12 4:00pm (CST) PHSC 809	Hung C. Tran University of Oklahoma	Divergence of finitely presented groups
February 19 4:00pm (CST) PHSC 809	Emily Stark University of Utah	Action rigidity for free products of hyperbolic manifold groups
February 26 4:00pm (CST) PHSC 809	Ricardo Mendes University of Oklahoma	The isometry group of spherical quotients
March 4 4:00pm (CST) PHSC 313	Lawrence Mouillé University of California, Riverside	Positive intermediate Ricci curvature with torus symmetries
March 11 4:00pm (CDT) PHSC 809	Derrick Wigglesworth University of Arkansas	Algorithmic Detection of Geometric Automorphisms of Free Groups
April 8 4:00pm (CDT) Zoom	Dustin Gaskins University of Oklahoma	Einstein Homogeneous Spaces
April 15 4:00pm (CDT) Zoom	Jordan Danser University of Oklahoma	Filiform Ricci Solitons
April 22 4:00pm (CDT) Zoom	Mary Cook Arizona State University	The holonomy group under the Ricci flow

August 28 4:00pm (CDT) PHSC 809	Hung C. Tran University of Oklahoma	The local to global property for Morse quasi-geodesics
September 4 4:00pm (CDT) PHSC 809	Leonard Rubin University of Oklahoma	Dimension Theory, Extension Theory, and a Product-Suspension Result
September 11 4:00pm (CDT) PHSC 809	Jing Tao University of Oklahoma	A tale of two metrics
September 25 4:00pm (CDT) PHSC 809	Ricardo Mendes University of Oklahoma	Convex Algebraic Geometry of Riemannian Curvature Operators
October 2 4:00pm (CDT) PHSC 809	Christopher Cashen University of Vienna	Cogrowth for group actions with strongly contracting elements
October 23 4:00pm (CDT) PHSC 809	Boris Apanasov University of Oklahoma	"Siamese twins construction" in Teichmüller space of hyperbolic 3-manifolds
November 6 4:00pm (CST) PHSC 809	Leonard R. Rubin University of Oklahoma	Extension Theory: A Product\Suspension Theorem

March 6 3:45 PM (CST) PHSC 809	Thomas Lane University of Oklahoma	Ricci Flow on Homogeneous Spaces
March 13 3:45 PM (CDT) PHSC 809	Jason DeVito University of Oklahoma	Even dimensional rational homology spheres admitting double disk bundle decompositions are homeomorphic to spheres
April 3 3:45 PM (CDT) PHSC 809	Justin Malestein University of Oklahoma	Some Linear Representations of the Automorphism Group of a Right-Angled Artin Group

September 5 3:45 PM (CDT) PHSC 809	Leonard R. Rubin University of Oklahoma	Countable extension dimension
September 19 3:45 PM (CDT) PHSC 809	Jason DeVito University of Oklahoma and UT Martin	Rational spheres admitting a double disc bundle decomposition
October 3 4:00 PM (CDT) PHSC 809	Miguel Domínguez ICMAT, Madrid	On isoparametric hypersurfaces in noncompact symmetric spaces
October 31 3:45 PM (CDT) PHSC 809	Andrew Lutz University of Oklahoma	Almost Isotropic Kähler Manifolds
November 14 3:45 PM (CST) PHSC 809	Cory Wilson University of Oklahoma	Totally Geodesic Orbits of Isometries
December 5 3:45 PM (CST) PHSC 809	Andy Miller University of Oklahoma	Right angled Coxeter groups and Diophantine quadratic forms

January 24 3:45 PM (CST) PHSC 809	Jing Tao University of Oklahoma	Effective quasimorphisms on right-angled Artin groups
January 31 3:45 PM (CST) PHSC 809	Max Forester University of Oklahoma	Genus bounds in right-angled Artin groups
February 14 4:00 PM (CST) PHSC 809	David E. Rowe Mainz University	Max Dehn and Helmut Kneser in 1929 - or - What went wrong with Dehn's Lemma?
March 7 3:45 PM (CST) PHSC 809	Paul Plummer University of Oklahoma	Nielson-Thurston classification and combinatorial train tracks
March 28 4:00 PM (CDT) PHSC 809	Martin Kerin University of Muenster	Double disk bundle decompositions and rational ellipticity
April 4 3:45 PM (CDT) PHSC 809	Greg Muller University of Oklahoma	Skein algebras and marked surfaces
April 11 4:00 PM (CDT) PHSC 809	Robert Kropholler Tufts University	Almost finitely presented subgroups of hyperbolic groups
April 18 4:00 PM (CDT) PHSC 1105	Mehmet Aktas University of Central Oklahoma	The Study of Dessins d'Enfants as an Invariant of Trigonal Curves
April 25 4:00 PM (CDT) PHSC 809	Andy Eisenberg Oklahoma State University	A Characterization of Plain Groups via Rewriting Systems
May 2 3:45 PM (CDT) PHSC 809	Jing Tao University of Oklahoma	Fine geometry of the Thurston metric
May 9 4:00 PM (CDT) PHSC 809	Jason DeVito University of Tennessee at Martin	Almost positive curvature on an irreducible symmetric space of rank 2

August 23 4:00 PM (CDT) PHSC 809	Ricardo Mendes University of Cologne	Sectional curvature and the Weitzenböck formula
August 30 3:45 PM (CDT) PHSC 809	Michael Jablonski University of Oklahoma	Blending theorems of Lie and Nash
September 6 3:45 PM (CDT) PHSC 809	Shihshu Walter Wei University of Oklahoma	From geodesics to F-harmonic maps
September 13 3:45 PM (CDT) PHSC 809	Lee Kennard University of Oklahoma	Representations of tori and an application in Riemannian geometry
September 20 3:45 PM (CDT) PHSC 809	Lee Kennard University of Oklahoma	Representations of tori and an application in Riemannian geometry, II
October 5 12:00 PM (CDT) PHSC 1105	Dave Auckly Kansas State University	One is stabilization is enough for isotopy of surfaces
October 11 3:45 PM (CDT) PHSC 809	Pengfei Zhang University of Oklahoma	Generic geodesic flow on S^2
October 18 4:00 PM (CDT) PHSC 809	Brett Kotschwar Arizona State University	A uniqueness theorem for asymptotically cylindrical shrinking Ricci solitons
October 25 4:00 PM (CDT) PHSC 809	Neil Hoffman Oklahoma State University	Determining co-hyperbolicity of 3-manifolds
November 1 4:00 PM (CDT) PHSC 809	Yingbo Han Xinyang Normal University and OU	On the CR Poincaré-Lelong equation, Yamabe steady solitons and structures of complete noncompact Sasakian manifolds
November 8 4:00 PM (CST) PHSC 809	Owen Dearricott University of Melbourne	Positive curvature in dimension 7
November 17 3:30 PM (CST) PHSC 809	Matt Clay University of Arkansas	Thermodynamic metrics on outer space
November 29 4:00 PM (CST) PHSC 809	Edgar Bering Temple University	A McCarthy-type theorem for linearly growing outer automorphisms of a free group

January 25 3:45 PM (CST) PHSC 809	Lee Kennard University of Oklahoma	Topological realization problems
February 1 4:00 PM (CST) PHSC 809	Carolyn Gordon Darthmouth College	Decoding geometry and topology from the Steklov spectrum of orbisurfaces
February 8 3:45 PM (CST) PHSC 809	Jing Tao University of Oklahoma	Coarse and fine geometry of the Thurston metric
February 15 3:45 PM (CST) PHSC 809	Justin Malestein University of Oklahoma	Burnside-like problems for Aut(Fn) and primitive homology
February 22 3:45 PM (CST) PHSC 809	Ignat Soroko University of Oklahoma	Uncountably many quasi-isometry classes of groups of type FP
March 1 4:00 PM (CST) PHSC 809	Andrew Sale Vanderbilt University	Vastness properties of McCool groups of free groups and automorphisms of RAAGs
March 8 4:00 PM (CST) PHSC 809	Kenneth Bromberg University of Utah	Convex co-compact subgroups of the mapping class group
March 29 3:45 PM (CDT) PHSC 809	Thomas Lane University of Oklahoma	Curvature on Lie Groups
April 5 3:45 PM (CDT) PHSC 809	Anthony Martino University of Oklahoma	Dunwoody's geometric proof of Stallings Theorem
April 12 4:00 PM (CDT) PHSC 809	Yusheng Wang Beijing Normal University	Curvature >= 1, diameter >= \pi/2 and rigidity (in Alexandrov geometry)
April 19 3:45 PM (CDT) PHSC 809	Jonathan Merlini University of Oklahoma	Rank Rigidity on 3-Manifolds
April 26 4:00 PM (CDT) PHSC 809	Joseph Maher CUNY	Random walks on groups with negative curvature
May 3 3:45 PM (CDT) PHSC 809	Elahe Khalili Samani University of Oklahoma	Topology of 8-dimensional positively curved Riemannian manifolds with symmetry
May 10 4:00 PM (CDT) PHSC 809	Tracy Payne Idaho State University	Evolutionary Game Theory and Applications to Geometry

September 7 3:45 PM (CDT) PHSC 809	Leonard R. Rubin University of Oklahoma	New methods for G-acyclic resolutions in cohomological dimension
September 14 3:45 PM (CDT) PHSC 809	Jonathan Epstein University of Oklahoma	Topological entropy of magnetic flows on nilmanifolds
September 21 4:00 PM (CDT) PHSC 809	Dave Auckly Kansas State University	Equivariant Homology Cobordism
September 28 3:45 PM (CDT) PHSC 809	Boris Apanasov University of Oklahoma	Topological barriers for maps, M.A.Lavrentiev problem, and 4-cobordisms
October 5 3:45 PM (CDT) PHSC 809	Shihshu Walter Wei University of Oklahoma	Distance Functions, Hessian, Radial Curvature and Mean Curvature
October 12 3:45 PM (CDT) PHSC 809	Ravi Shankar University of Oklahoma	New metrics of non-negative sectional curvature on exotic spheres
October 19 4:00 PM (CDT) PHSC 809	Maria Emilia Descotte University of Buenos Aires	2-Pro-object theory
October 26 4:00 PM (CDT) PHSC 809	Wolfgang Ziller University of Pennsylvania	Graph manifolds, nullity and the Nomizu conjecture
November 2 4:00 PM (CDT) PHSC 809	Dmytro Yeroshkin Idaho State University	Manifolds with density and measure
December 7 3:45 PM (CST) PHSC 809	Michael Tilles University of Oklahoma	Geometry of 2-step nilpotent Lie groups

February 3 3:45 PM (CST) PHSC 809	Justin Malestein University of Oklahoma	Arithmetic quotients of the mapping class group from covers
February 10 3:45 PM (CST) PHSC 809	Ignat Soroko University of Oklahoma	Dehn functions of subgroups of right-angled Artin groups
February 17 3:45 PM (CST) PHSC 809	KB Lee University of Oklahoma	Some infra-nilmanifolds of dimension 6
February 24 4:00 PM (CST) PHSC 809	Andrew Putman Rice University	The high-dimensional cohomology of the moduli space of curves with level structures
March 9 4:00 PM (CST) PHSC 809	Mark Pengitore Purdue	Effective Separability of Nilpotent Groups
March 30 4:00 PM (CDT) PHSC 809	Richard Webb University College, London	Locally infinite complexes, combinatorial isoperimetric inequalities and CAT(0) metrics
April 20 3:45 PM (CDT) PHSC 809	Shihshu Walter Wei University of Oklahoma	The Geometry and Topology of Locally Conformally Flat Manifolds, Quasiconformal and Quasiregular Mappings
April 27 4:00 PM (CDT) PHSC 809	Huy T. Nguyen University of Oklahoma	Harmonic forms on Kahler manifolds
May 4 3:45 PM (CDT) PHSC 809	Robert Tang University of Oklahoma	Veech surfaces and simple closed curves
May 31 3:30 PM (CDT) PHSC 809	Ramiro Lafuente University of Muenster	On a gap theorem for Ricci flatness on homogeneous spaces and its applications

September 2 3:45 PM (CDT) PHSC 809	Leonard Rubin University of Oklahoma	Examples of Pseudo-compact Spaces and Their Products
September 9 3:45 PM (CDT) PHSC 809	Jeff Meyer University of Oklahoma	Geodesics and Surfaces: A Rigid Interaction
September 16 3:45 PM (CDT) PHSC 809	Ravi Shankar University of Oklahoma	Semi-free circle actions on 5-manifolds
September 23 3:45 PM (CDT) PHSC 809	Max Forester University of Oklahoma	Effective quasimorphisms for right-angled Artin groups
September 30 4:00 PM (CDT) PHSC 809	Camille Horbez University of Utah	Subgroups of the automorphism group of a free product
October 21 3:45 PM (CDT) PHSC 809	Max Forester University of Oklahoma	Quasimorphisms on right-angled Artin groups
November 11 4:00 PM (CST) PHSC 809	Andrey Vesnin Russian Academy of Sciences (Sobolev Institute of Mathematics in Novosibirsk)	From right-angled polyhedra to manifolds and links
November 18 3:45 PM (CST) PHSC 1105	Walter Wei University of Oklahoma	Lawson-Simons Conjecture, Cohomology Algebra, Complex Analysis, and Characteristic Classes
November 30 3:30pm (CST) PHSC 359	Tommy Murphy Cal. State University, Fullerton	Complex Riemannian foliations of Hermitian symmetric spaces.
December 2 3:45 PM (CST) PHSC 809	Ben Stucky University of Oklahoma	Applications of Graph Folding
December 9 4:00 PM (CST) PHSC 809	Catherine Searle Wichita State University	Non-negative curvature and torus actions

January 21 4:00 PM (CST) PHSC 809	Henry Segerman Oklahoma State University	Pachner moves and crushing normal surfaces
January 28 3:45 PM (CST) PHSC 809	Jing Tao University of Oklahoma	Growth Tight Actions
February 18 4:00 PM (CST) PHSC 1105	Catherine Pfaff Universität Bielefeld	When Outer Space behaves like Teichmuller space (or hyperbolic spaces) & how we can use this to understand Out(F_n)
March 25 4:00 PM (CDT) PHSC 809	Funda Gultepe University of Illinois at Urbana-Champaign	Constructing fully irreducible automorphisms of the free group via geometric Dehn twisting
April 1 4:00 PM (CDT) PHSC 809	Thomas Koberda Yale	Convex cocompactness in right-angled Artin groups
April 22 4:00 PM (CDT) PHSC 1105	Benjamin Linowitz University of Michigan	Effective rigidity in spectral geometry
April 29 4:00 PM (CDT) PHSC 115	Peter Petersen UCLA	Uniqueness of Warped Product Einstein Metrics

August 20 4:00 PM (CDT) PHSC 1105	Lina Wu BMCC, CUNY	Studying Harmonic Differential Forms by Extending the Scope of L^q Growth
September 3 3:45 PM (CDT) PHSC 809	Robert Tang University of Oklahoma	Shadows of Teichmueller discs in the curve graph
September 10 3:45 PM (CDT) PHSC 809	Garrett Alston University of Oklahoma	Holomorphic curves in symplectic and contact geometry, I
September 17 3:45 PM (CDT) PHSC 809	Garrett Alston University of Oklahoma	Holomorphic curves in symplectic and contact geometry, II
September 24 3:45 PM (CDT) PHSC 809	Jing Tao University of Oklahoma	Uniform growth rate
October 1 4:00 PM (CDT) PHSC 809	Talia Fernós UNC Greensboro	Rigidity of actions on CAT(0) cube complexes
October 8 3:45 PM (CDT) PHSC 809	Noel Brady University of Oklahoma	Hyperbolic Hydra
November 5 3:45 PM (CST) PHSC 809	Chenxu He University of Oklahoma	Infinitesimal rigidity of gradient steady Ricci soliton in dimension three
November 12 3:45 PM (CST) PHSC 809	Ignat Soroko University of Oklahoma	Virtually special free-by-cyclic groups
December 3 3:45 PM (CST) PHSC 809	Michael Jablonski University of Oklahoma	Einstein solvmanifolds have maximal symmetry

January 17 3:30 PM (CST) PHSC 809	Dan Knopf University of Texas at Austin	Type-II singularities of Ricci flow
January 22 4:00 PM (CST) PHSC 809	John Harvey University of Notre Dame	Orbifolds and Alexandrov geometry
January 29 3:45 PM (CST) PHSC 809	Will Wylie Syracuse University	Sectional Curvature for Riemannian manifolds with density.
February 5 4:30 PM (CST) PHSC 809	Trent Schirmer Oklahoma State University	Heegaard splittings, free tangle decompositions, and the fundamental group of knots
February 12 4:00 PM (CST) PHSC 809	Mark Feighn Rutgers University-Newark	Folding paths in Outer space
February 19 3:45 PM (CST) PHSC 809	Max Forester University of Oklahoma	Trees and stable commutator length
February 25 4:00 PM (CST) PHSC 1105	Vera Tonic Ben Gurion University	Introduction to asymptotic dimension theory for discrete groups
March 26 3:45 PM (CDT) PHSC 809	Michael Jablonski University of Oklahoma	A step towards the Alekseevskii Conjecture.
April 2 4:00 PM (CDT) PHSC 809	Danielle O'Donnol Oklahoma State University	Legendrian Graphs
April 9 4:00 PM (CDT) PHSC 809	Sean Bowman Oklahoma State University	Knots in the page of an open book
April 23 3:45 PM (CDT) PHSC 809	Scott Thuong University of Oklahoma	All Four-Dimensional Infra-Solvmanifolds are Boundaries
April 30 3:45 PM (CDT) PHSC 809	Ignat Soroko University of Oklahoma	A new linearity criterion of Bou-Rabee and McReynolds

August 28 3:45 PM (CDT) PHSC 809	Jeffrey Meyer University of Oklahoma	A Geometric Introduction to Arithmetic Groups
September 4 3:45 PM (CDT) PHSC 809	Jeffrey Meyer University of Oklahoma	An Introduction to Spectral Geometry of Arithmetic Locally Symmetric Spaces (a.k.a - A Geometric Introduction to Arithmetic Groups - Part II)
September 11 3:45 PM (CDT) PHSC 1105	Shihshu Walter Wei University of Oklahoma	New Comparison Theorems and Cohomology Groups
September 18 3:45 PM (CDT) PHSC 809	Matthew Lynam University of Oklahoma	Extensional Maps
October 2 3:45 PM (CDT) PHSC 809	Ravi Shankar University of Oklahoma	Rigidity of spherical rank for a lower curvature bound
October 9 3:45 PM (CDT) PHSC 809	Michael Jablonski University of Oklahoma	An equivalence of conjectures
October 16 3:45 PM (CDT) PHSC 809	Michael Jablonski University of Oklahoma	An equivalence of conjectures, part II
October 23 3:45 PM (CDT) PHSC 809	Chenxu He University of Oklahoma	Linear stability of gradient shrinking Ricci solitons
October 30 3:45 PM (CDT) PHSC 809	Joel Louwsma University of Oklahoma	Stable commutator length in Baumslag-Solitar groups
November 6 3:45 PM (CST) PHSC 809	Noel Brady University of Oklahoma	Homotopical and homological Dehn functions are different
November 13 3:45 PM (CST) PHSC 809	Chenxu He University of Oklahoma	Linear stability of gradient shrinking Ricci solitons, II
November 20 3:45 PM (CST) PHSC 809	Leonard Rubin University of Oklahoma	The Topology of Direct Limits of Direct Systems Induced by Maps
December 4 4:00 PM (CST) PHSC 809	Sam Taylor The University of Texas at Austin	Subfactor projections and fully irreducible automorphisms of free groups

January 23 3:45 PM (CST) PHSC 809	Murad Ozaydin University of Oklahoma	Topological Robotics - Restricted Configuration Spaces
January 30 3:45 PM (CST) PHSC 809	Murad Ozaydin University of Oklahoma	Topological Robotics - Restricted Configuration Spaces II
February 6 3:45 PM (CST) PHSC 809	Shihshu Walter Wei University of Oklahoma	A generalized Bochner's method and its applications in real and complex geometry and topology
February 13 3:45 PM (CST) PHSC 809	Shihshu Walter Wei University of Oklahoma	A generalized Bochner's method and its applications in real and complex geometry and topology II
March 6 3:45 PM (CST) PHSC 809	Chenxu He University of Oklahoma	Riemannian manifolds with positive or non-negative sectional curvature
April 17 3:45 PM (CDT) PHSC 809	Jing Tao University of Oklahoma	The shape of moduli space
May 1 3:45 PM (CDT) PHSC 1105	Yoe Herrera University of Oklahoma	Intersection Numbers in a Surface

September 12 4:00 PM (CDT) PHSC 809	Lee Kennard UC Santa Barbara	Two conjectures of Hopf in the presence of symmetry
September 19 3:45 PM (CDT) PHSC 809	Chenxu He University of Oklahoma	Existence and uniqueness of Einstein metrics on warped products
September 26 3:45 PM (CDT) PHSC 809	Jing Tao University of Oklahoma	Thurston metric on Teichmuller space
October 17 3:45 PM (CDT) PHSC 809	Jean Sun University of Oklahoma	Growth, Projections and Bounded Generation of Mapping Class Groups
October 24 3:45 PM (CDT) PHSC 809	Michael Jablonski University of Oklahoma	How to build an isometry group.
October 31 3:45 PM (CDT) PHSC 809	William Carter University of Oklahoma	Nice Examples of Non-Unique Product Groups
November 7 3:45 PM (CST) PHSC 809	Leonard Rubin University of Oklahoma	Simplified Proofs of the Z/p- and Q-resolution Theorems
November 28 4:00 PM (CST) PHSC 809	Spencer Dowdall University of Illinois at Urbana-Champaign	Kleinian convex cocompact subgroups of mapping class groups
December 5 3:45 PM (CST) PHSC 809	Rachel Wright University of Oklahoma	Right-angled Artin groups as totally reflected systems