Past Seminars
Date |
Speaker |
Title/Abstract |
| Nov 15/18 | Spiro Karigiannis, University of Waterloo | A curious system of second order nonlinear PDEs for U(m)-structures on manifolds |
| Oct 25/18 | Mehmetcik Pamuk, McMaster University | Arbitrarily large factorizations in mapping class groups |
| Nikolai Saveliev, University of Miami | On the Frøyshov invariant and monopole Lefschetz number | |
| Oct 18/18 | Elizabeth Drellich, Swarthmore College | tba |
| Oct 4/18 | Jesse Madnick McMaster University |
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| Sept 13/18 | Tyrone Ghaswala McMaster University |
Amalgamated free products of circularly ordered groups |
| Apr 27/18 | Rita Gitik University of Michigan |
A new algorithm in group theory |
| Apr 12/18 | Elise Villella University of Pittsburgh |
Virtual Gelfand-Zetlin polytopes |
| Apr 5/18 | Yulan Qing University of Toronto |
Loops with large twist get short along quasi-geodesics in |
| Mar 29/18 | Andreas Arvanitoyeorgos University of Patras |
Homogeneous geodesics and two-step homogeneous geodesics in homogeneous spaces |
| Mar 22/18 | Patrick Naylor University of Waterloo |
Surface bundles over surfaces |
| Mar 22/18 | Erik Pedersen (University of Copenhagen): | Controlled algebra and topological data analysis |
| Mar 8/18 | Giulio Tiozzo (University of Toronto): | Counting loxodromic elements |
| Feb 15/18 | Kasia Jankiewicz McGill University |
Cubical dimension of small cancellation groups |
| Feb 1/18 | ??? McMaster University |
Perelman’s functionals on compact manifolds with isolated conical singularities |
| Jan 25/18 | Matthias Nagel McMaster University |
Surface systems and triple linking numbers |
| Jan 4/18 | Dave Auckly Kansas State University |
Stable equivalence of smoothly knotted surfaces |
| Dec 7/17 | Tyrone Ghaswala University of Waterloo |
Coverings, groupoids, and embedding braids in mapping class groups |
| Nov 30/17 | David Duncan McMaster University |
Some open problems in gauge theory, symplectic geometry, and low-dimensional topology |
| Nov 23/17 | Christopher Davis University of Wisconsin at Eau Claire |
Concordance of knots in homology spheres and the solvable filtration |
| Nov 17/17 | Nikolai Saveliev University of Miami |
On gauge theoretic invariants of homology S1×S3 |
| Nov 9/17 | Katherine Raoux Michigan State University |
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| Nov 2/17 | Anja Randecker University of Toronto |
On Loch Ness monsters and wild singularities – a Halloween-inspired introduction to infinite translation surfaces |
| Oct 26/17 | Jonathan Hillman University of Sydney |
Complements of closed hypersurfaces in S4 |
| Oct 19/17 | Matthias Nagel McMaster University |
Concordance and the Gordon-Litherland lattice |
| Oct 12/17 | George Dragomir McMaster University |
Metric transforms yielding Gromov hyperbolic spaces |
| Oct 2/17 | Klaus Kröncke University of Hamburg |
Stability of ALE Ricci-flat manifolds under Ricci-flow |
| Sept 21/17 | Hari Kunduri Memorial University of Newfoundland |
Geometric inequalities for black hole initial data sets |
| Sept 14/17 | Steven Boyer Département de mathématiques Université du Québec à Montréal |
Branched Covers of Quasipositive Links and L-Spaces |
| April 6/17 | McKenzie Wang Math & Stats Dept McMaster University |
Some examples of ancient solutions to the Ricci flow |
| Mar 23/17 | Panagiotis Giannioti Waterloo |
Regularity theory for Type I Ricci flows |
| Mar 30/17 | Hans Boden McMaster University |
Slice obstructions for virtual knots |
| Mar 16/17 | Nima Anvari Math & Stats Dept McMaster University |
Equivariant Rho-Invariants and Instanton Homology of Torus Knots |
| Mar 9/17 | Gary Kennedy Ohio State |
Topicalizing spherical varieties |
| Mar 2/17 | Larry Siebenmann | Analyzing surface flows using trees and the Bendixson-Mather 2-disk |
| Feb 23/17 | Chris Herald University of Nevada, Reno |
Obtaining reduced Khovanov homology from traceless character varieties |
| Feb 16/17 | Megumi Harada McMaster University |
Newton-Okounkov bodies and integrable systems |
| Feb 9/17 | Balazs Elek Cornell |
Pizzas and Kazhdan-Lusztig atlases on toric surfaces |
| Feb 2/17 | Tyrone Ghaswala Waterloo |
Mapping class groups, coverings, braids and groupoids |
| Jan 25/17 | Victor Mouquin University of Toronto |
One some holomorphic Poisson structures related to geometric representation theory |
| Jan 19/17 | Ali Aleyasin | The Calabi problem on edge-cone manifolds |
| Jan 12/17 | Cagatay Kutluhan University of Buffalo |
Filtering the Heegaard Floer contact invariant |
| Jan 5/17 | George Dragomir McMaster University |
On the existence of closed geodesics on compact developable orbifolds |
| Nov 18/16 | Steffen Marcus College of New JerseySjuvon Chung Rutgers University |
Fans of logarithmic structures (Joint with Algebra Seminar)Euler characteristics of cominuscule quantum $K$-theory |
| Nov 11/16 | Doug Schultz Rutgers University |
Lagrangian Floer theory in symplectic fibrations |
| Nov 4/16 | Changliang Wang McMaster University |
Stability of Riemannian manifolds with Killing spinors |
| Oct 21/16 | Kristen Hendricks Michigan State University |
Involutive Heegaard Floer homology |
| Sept 30/16 | Alex Kuronya Budapest Univ. of Tech & Econ.Geoff Scott University of Toronto |
Positivity of line bundles and equations defining projective varieties |
| Oct 7/16 | Maxime Fortier Bourque University of Toronto |
The Teichmuller space of conformal pentagons |
| Sept 23/16 | Naoki Fujita Tokyo Institute of Technology |
Newton-Okounkov polytopes of Schubert varieties and folding method |
| Sept 16/16 | Akos Nagy University of Waterloo |
The Berry connection of the Ginzburg–Landau vortices |
| Mar 10/16 | Grigorios Fournodavlos University of Toronto |
Singular Ricci solitons and their stability under the Ricci flow |
| Mar 3/16 | Matthias Nagel UQAM |
Minimal genus in circle bundles over 3-manifolds |
| Feb 25/16 | Hiraku Abe McMaster University |
The cohomology of Hessenberg varieties and representations of symmetric groups |
| Feb 4/16 | Iva Halacheva University of Toronto |
The Gromov width of coadjoint orbits of the symplectic group |
| Jan 14/16 | David Rosenthal St. John’s |
Large scale geometry of groups |
| Nov 26/15 | Peter Crooks University of Toronto |
Minimal nilpotent Hessenberg varieties |
| Nov 20/15 | Martha Precup Northwestern |
The Betti numbers of parabolic Hessenberg varieties |
| Nov 12/15 | Long Li McMaster Universilty |
On conic constant scalar curvature Kaehler(cscK) metrics |
| Nov 5/15 | John Shareshian Washington St. Louis |
Applying discrete Morse theory to complexes of graphs |
| Oct 29/15 | Alejandro Betancourt de la Parra Oxford |
Cohomogeneity one Ricci solitons |
| Oct 22/15 | Tatsuya Horiguchi McMaster University |
The equivariant cohomology rings of regular nilpotent Hessenberg varieties in Lie type A |
| Oct 8/15 | Federico Galetto McMaster University |
Tangent schemes of determinantal varieties |
| Oct 1/15 | David Duncan McMaster University |
On the critical values of the Chern-Simons functional |
| Sept 24/15 | Jeremy Lane University of Toronto |
Convexity and the Thimm Trick |
| Sept 17/15 | Elisheva Adina Gamse Northeastern |
Vanishing relations in the cohomology of the moduli space of parabolic bundles |
| Sept 10/15 | Alexander Caviedes Castro Tel Aviv |
Idempotents and symmetries on QH(G(k, n)) |
| Sept 3/15 | Chris Cornwell UQAM |
Understanding character varieties of knot complements and 2-fold branched covers through the cord ring |
| May 20/15 | Ergun Yalcin Bilkent University |
Group actions on spheres with rank one isotropy |
| May 19/15 | Robert Oliver University of Paris 13 |
Automorphisms of p-completed classifying spaces |
| May 19/15 | Sune Precht Reeh Massachusetts Institute of Technology |
Characteristic idempotents and fusion systems |
| Apr 9/15 | Chris Herald University of Nevada, Reno |
A Lagrangian-Floer theory in the pillowcase arising from traceless representations of knot groups |
| Mar 19/15 | Laurent Siebenmann Orsay |
Chambers and trees describing general foliations of the plane |
| Mar 12/15 | Ergun Yalcin McMaster University |
Rank Threee p-Group Actions on Products of Spheres |
| Feb 26/15 | Long Li McMaster University |
On the convexity of the Mabuchi energy functional along geodesics |
| Feb 12/15 | Steven Gindi University of Waterloo |
Holomorphic Twistor Spaces and Bihermitian Geometry |
| Feb 5/15 | Jihyeon Jessie Yang McMaster University |
Toric desingularization of Gelfand-Zetlin toric variety |
| Jan 29/15 | Matt Luther McMaster University |
Continuous Model Theory and Flat Subspaces |
| Jan 22/15 | Cynthia Curtis The College of New Jersey |
The SL(2,C) Casson invariant for knots and the A-hat polynomial |
| Jan 15/15 | Alyson Hildum McMaster University |
Topological 4-manifolds with RAAG fundamental groups |
| Dec 18/14 | Andreas Arvaniteorgeous University of Patras & Tufts University |
Progress on homogeneous Einstein manifolds |
| Dec 4/14 | Ronald Fintushel Michigan State University |
Pinwheels and fake projective planes |
| Nov 27/14 | Thomas Murphy California State Fullerton |
Complex Riemannian foliations of Kaehler manifolds |
| Nov 20/14 | Romina Arroyo University of Cordoba, Argentina |
Homogeneous Ricci solitons and the Alekseevskii conjecture in low dimensions |
| Nov 13/14 | Eric Harper McMaster University |
Virtual knots, almost classical knots, and their Alexander lnvariants |
| Nov 6/14 | Alejandro Adem University of British Columbia |
Homotopy Group Actions and Group Cohomology |
| Oct 30/14 | Oleg Chterental University of Toronto |
Virtual Braids and Virtual Curve Diagrams |
| Oct 23/14 | Shuguang Wang University of Missouri |
A compactification of the foliated ASD moduli spaces |
| Oct 16/14 | Nikolai Saveliev University of Miami |
Instanton knot homology and equivariant gauge theory |
| Oct 2/14 | Nima Anvari McMaster University |
Cyclic Group Actions on Contractible Four-Manifolds |
| Sep 25/14 | Ergun Yalcin Bilkent University |
Constructing finite group actions on homotopy spheres |
| Sep 18/14 | Long Li McMaster University |
Abstract |
| Apr 3/14 | Shahab Kalantari Amirkabir University of Technology |
Asymptotic Resemblance: A new approach to define a large scale structure on a set |
| Mar 27/14 | Peng Lu University of Oregon |
Shrinking Ricci solitons |
| Mar 20/14 | Blake Winter University of Buffalo |
Welded Knots and Ribbon Knots |
| Mar 13/14 | Eric Harper McMaster University |
The Virtual Knot Group and its Alexander Invariants |
| Mar 6/14 | Thomas Murphy McMaster University |
Spectral geometry of toric Einstein manifolds |
| Jan 30/14 | Dror Bar-Natan University of Toronto |
Trees and Wheels and Balloons and Hoops |
| Jan 16/14 | Laurent Siebenmann Orsay |
Vignettes from the rise of differential topology |
| Dec 5/13 | Diarmuid Crowley Max Planck Institute, Bonn |
The topology of Stein fillable contact manifolds in higher dimensions |
| Nov 28/13 | Chris Cappadocia McMaster University |
The weak hyperbolic dimension of metric spaces |
| Nov 14/13 | Thomas Murphy McMaster University |
Rigidity results for Hermitian-Einstein manifolds |
| Nov 7/13 | Yun-xia Chen University of Waterloo |
ADE bundles over complex surfaces |
| Oct 31/13 | Alyson Hildum McMaster University |
The minimum b_2 problem for right-angled Artin groups |
| Oct 17/13 | Frederick Fong Brown University |
Kahler-Ricci flow and its singularity analysis |
| Oct 10/13 | Enxin Wu Western University |
A homotopy theory for diffeological spaces |
| Oct 3/13 | Karene Chu Massachusetts Institute of Technology |
Classification of flat virtual pure tangles |
| Sep 19/13 | Anna Bertiger University of Waterloo |
The action of Sp(n) on complex flags |
| Sep 12/13 | Bruce Williams University of Notre Dame |
Localizations and algebraic K-theory
|
| Apr 25/13 | Masoud Khakhali University of Western Ontario |
Spectral zeta functions, scalar curvature, and Gauss-Bonnet theorems in noncommutative geometry |
| Apr 4/13 | Nima Anvari McMaster University |
Equivariant gauge theory and four-manifolds |
| Mar 28/13 | Reto Mueller Imperial College, London |
Dynamical stability and instability of Ricci-flat metrics |
| Mar 21/13 | Saso Strle University of Ljubljana |
Unknotting number and concordance |
| Mar 14/13 | Alexander Kolpakov Vanderbilt University |
Geometric and combinatorial optimality of the hyperbolic 24-cell |
| Mar 7/13 | Robert Haslhofer NYU |
Quantitative stratification and the regularity of mean curvature flow |
| Feb 28/13 | Mikhail Mazin SUNY |
Topology and combinatorics of certain compactified Jacobians |
| Feb 14/13 | David Duncan Rutgers University |
A compactness result for the quilted Atiyah–Floer conjecture |
| Feb 7/13 | Eric Harper McMaster University |
Akbulut corks and non-trivial involutions on instanton Floer homology |
| Jan 31/13 | Peter Samuelson University of Toronto |
Skein modules and the double affine Hecke algebra |
| Jan 24/13 | Tomoo Matsumura Korea Advanced Institute of Science and Technology (KAIST) |
Schubert calculus of weighted Grassmannians |
| Jan 17/13 | Maria Buzano McMaster University |
Ricci flow on homogeneous spaces |
| Jan 10/13 | Aaron Smith University of Waterloo |
The higher Riemann–Hilbert correspondence and extensions |
| Nov 29/12 | Ruxandra Moraru University of Waterloo |
Stable bundles on complex nilmanifolds |
| Nov 22/12 | David Rosenthal St. John’s University |
On the coarse asymptotic dimension of groups |
| Nov 15/12 | William Wylie Syracuse University |
Warped product rigidity |
| Nov 8/12 | Daniel Ruberman Brandeis University |
Embeddings of non-orientable surfaces in 4-manifolds |
| Nov 1/12 | Jihyeon Jessie Yang McMaster University |
“Limits” of schemes |
| Oct 25/12 | Kate Petersen Florida State University |
The Euclidean algorithm and primitive roots |
| Oct 11/12 | Shintaro Kuroki University of Toronto |
Root systems of torus graphs and characterization of extended actions of torus manifolds |
| Oct 4/12 | Adam Clay UQAM |
Left-orderability, foliations, L-spaces and graph manifolds |
| Sep 20/12 | Kristin Shaw University of Toronto |
Obstructions to approximating tropical curves in surfaces |
| Sep 13/12 | Owen Baker McMaster University |
Hyperbolic group boundaries and Cannon-Thurston maps |