Geometry and Topology Seminar

Seminars are usually held on Thursday at 13:00 in CM301, but you should check the seminar details for exceptions. Contact mark.a.powell@durham.ac.uk or andrew.lobb@durham.ac.uk or wilhelm.klingenberg@durham.ac.uk for more information about this seminar series.

• 27 February 2020 13:00: tba - Emilio Musso, Politecnico di Torino
• 12 December 2019 13:05: tba - Fernando Galaz-Garcia, Durham
• 21 November 2019 13:00: TBA - Viveka Erlandsson, University of Bristol
• 31 October 2019 13:05: Isoperimetry in Heisenberg Space - Samuel Borza, Durham
• 24 October 2019 13:00: TBA - Johnny Nicholson, UCL
• 10 October 2019 13:05: Hyperbolic polynomials and Rigidity - Tristan Hasson, Durham
• 27 June 2019 13:05: On an ellipic PDE with singular nonlinearity - Alex Massey , Durham
• 30 May 2019 13:00: Non-orientable 3- and 4-genera of torus knots - Cornelia Van Cott, University of San Francisco
• 2 May 2019 13:00: Shortest and Straightest Geodesics in Sub-Riemannian Geometry in CM101 - D Alekseevsky, Moscow
• 21 March 2019 13:00: Essential surfaces and how to find them - Matthias Nagel, University of Oxford
• 14 March 2019 13:00: The Dai-Freed theorem and anomalies - Iñaki Garcia Etxebarria, Durham University
• 7 March 2019 13:00: A Morse theoretic Characterization of Zoll metrics - Stefan Suhr, Bochum U
• 28 February 2019 13:00: Polynomial maps and Witt vectors - Irakli Patchkoria, Aberdeen
• 21 February 2019 13:00: Slice pretzel knots - Ana Lecuona, Glasgow
• 14 February 2019 13:00: Equivariant Khovanov homotopy type - Wojciech Politarczyk, Warsaw
• 7 February 2019 13:00: Isotopy of closed surface braids - Mark Grant, University of Aberdeen
• 31 January 2019 13:00: Mapping class groups of highly connected manifolds - Manuel Krannich, University of Cambridge
• 24 January 2019 13:00: Stabilization distance bounds from link Floer homology - Andras Juhasz, University of Oxford
• 17 January 2019 13:00: On right-angled polygons in hyperbolic space - Simon Drewitz, Fribourg
• 13 December 2018 13:00: Coloured Jones polynomials and topological intersection pairings - Cristina Anghel, University of Oxford
• 6 December 2018 13:00: From PDEs to groups - Andrzej Zuk, Paris 7
• 29 November 2018 13:00: Optimal transport of topological defects - Mircea Petrache, Pontifical Catholic University of Chile
• 22 November 2018 13:00: Holomorphic polygons and link invariants - Tom Hockenhull, Glasgow
• 8 November 2018 13:00: Dynamical and cohomological obstruction to extending group actions - Sam Nariman, Northwestern
• 1 November 2018 13:00: A fast algorithm for calculating s-invariants - Dirk Schuetz, Durham University
• 25 October 2018 13:00: Twisted signature functions of knots - Anthony Conway, Durham
• 18 October 2018 13:00: Slice-torus link invariants - Carlo Collari, Florence
• 11 October 2018 13:05: HARNACK INEQUALITIES FOR EVOLVING HYPERSURFACES - Julian Scheuer, Freiburg University
• 27 June 2018 11:00: Free algebras of Hilbert automorphic forms - Ekaterina Stuken, HSE, Moscow
• 14 June 2018 13:05: Needle decomposition of the Heisenberg group - Samuel Borza, Durham
• 7 June 2018 13:00: Rigidity for the discrete Bonnet-Myers diameter bound. Which graphs look like a sphere ? - Supanat Kamtue, Durham
• 17 May 2018 13:00: Homological stability for Artin monoids - Rachael Boyd, University of Aberdeen
• 3 May 2018 13:00: On lambda convex sets - Ben Pooley, University of Warwick
• 26 April 2018 13:00: Ollivier Ricci curvature and Bonnet-Myers sharp graphs - Norbert Peyerimhoff, Durham
• 29 March 2018 14:00: Ideal classes and Cappell-Shaneson homotopy 4-spheres - Min Hoon Kim, KIAS
• 29 March 2018 13:00: Exceptional 3-manifolds - Stefan Friedl, Universitat Regensburg
• 28 March 2018 15:00: A wander in the space of β-transformations - Tony Samuel, California Polytechnic State University
• 15 March 2018 13:00: Ultra-parallel complex hyperbolic triangle groups - Sam Povall, Liverpool
• 8 March 2018 13:00: Hochschild cohomology of differential graded categories and spectral sequences - Frank Neumann, University of Leicester
• 2 March 2018 11:00: Geometry Day - N Julliet, A Figalli, L Scardia, J Cork, D Ballesteros-Chavez, U Strasbourg, ETH Zuerich, U Bath, U Leeds, Durham U
• 1 March 2018 13:00: On the Brunn-Minkowski inequality - Nicolas Juillet, Universite Paul Sabatier Strasbourg
• 22 February 2018 13:00: The associated families of isothermic, CMC and constrained Willmore surfaces - Katrin Leschke, University of Leicester
• 15 February 2018 13:00: Geometry of continued fractions - Oleg Karpenkov, Liverpool
• 8 February 2018 13:00: The Conway topograph and continued fractions - Katie Spalding, Loughborough
• 1 February 2018 13:00: Equivariant spectrum on Toric Kaehler manifolds - Yuguo Qin, USTC Hefei and Durham University
• 25 January 2018 13:00: The prescribed Weingarten curvatures problem in hyperbolic space - Daniel Ballesteros-Chavez, Durham University
• 18 January 2018 13:00: Integrals over unitary groups, maps on surfaces, and Euler characteristics - Michael Magee, Durham University
• 14 December 2017 13:00: Homotopical ideas in the theory of knots - Markus Szymik, Norwegian University of Science and Technology
• 7 December 2017 13:00: Stable diffeomorphism of 4-manifolds - Daniel Kasprowski, Universitat Bonn
• 30 November 2017 13:00: Algebraic knots, braids and slice genus - Peter Feller, ETH Zurich
• 23 November 2017 13:00: A Geometric Approach to the p-adic Littlewood Conjecture - John Blackman, Durham
• 16 November 2017 13:00: Cascades in the dynamics of affine interval exchange transformations - Selim Ghazouani, Warwick University
• 9 November 2017 13:00: Piecewise linear concordance of knots - JungHwan Park, MPIM Bonn
• 2 November 2017 13:00: Moduli spaces of patterns and their cohomology. - Jamie Walton, Durham.
• 26 October 2017 13:00: Knotted fields and real algebraic links - Benjamin Bode, Bristol University
• 19 October 2017 13:00: Doubled Khovanov homology - William Rushworth, Durham University
• 12 October 2017 13:00: Infinite rank surface cluster algebras - Ilke Canakci, Durham University
• 5 October 2017 13:00: Neutral Causal Topology - Brendan Guilfoyle , IT Tralee
• 22 June 2017 13:00: An introduction to the theory of Optimal Transport - Wilhelm Klingenberg
• 15 June 2017 13:00: The needle decomposition and isoperimetric inequalities in nonnegative Ricci curvature - Samuel Borza, Mons and Durham
• 8 June 2017 11:00: Cusp regions associated to parabolic screw motions - John Parker, Durham
• 25 May 2017 13:00: Harnack inequalities for parabolic equations from a geometric perspective - Mihai Bailesteanu, Conneticut
• 18 May 2017 13:00: Flowing to linear Hopf spheres - Brendan Guilfoyle, IT Tralee
• 11 May 2017 13:05: Ollivier-Ricci idleness functions of graphs - David Cushing, Durham University
• 4 May 2017 13:00: The X-ray Transform on 2-step nilpotent Lie Groups - Evi Samiou, University of Cyprus
• 27 April 2017 13:00: Asymptotic analysis of partially degenerating multi-scale variational problems - Shane Cooper, Bath
• 16 March 2017 13:00: The Lévy-Gromov Isoperimetric Inequality - Samuel Borza, Université de Mons/Durham University
• 9 March 2017 13:00: Geography of complex varieties: Severi inequality - Tong Zhang, Durham University
• 2 March 2017 13:00: Recent developments in 3-manifold topology - Stefan Friedl, Regensburg
• 24 February 2017 11:45: Yorkshire Durham Geometry Day in CM301 - D Cushing (Durham), B Lambert (UCL), A Mondino (Warwick), L Nguyen (Oxford)
• 23 February 2017 13:00: The moduli space of points in the boundary of quaternionic hyperbolic space - Wensheng Cao, Wuyi University
• 16 February 2017 13:00: Stability of the Steiner symmetrization of convex sets - Filippo Cagnetti , University of Sussex
• 9 February 2017 13:00: Regularity of the moduli space of parallel ovaloids - Wilhelm Klingenberg, Durham University
• 1 February 2017 13:00: tba - Yguo Qin, USTC Hefei
• 25 January 2017 13:00: tba - Yuguo Qin , University of Science and Technology of China
• 25 January 2017 13:00: tba - Yuguo Qin, USTC Hefei
• 19 January 2017 13:00: Ricci Solitons and Quasi Einstein metrics on toric surfaces - Stuart Hall , Newcastle
• 15 December 2016 13:00: Messing around with filtrations - Andrew Lobb, Durham
• 8 December 2016 13:00: Genericity of holomorphic discs with boundary - Wilhelm Klingenberg, Durham
• 1 December 2016 13:00: Maths in crystal structure analysis - Oleg Dolomanov, Durham (OlexSys Software developing company)
• 24 November 2016 13:00: Eigenvalue estimates for the magnetic Laplacian on Riemannian manifolds - Norbert Peyerimhoff, Durham University
• 17 November 2016 13:00: SL_2-tilings, infinite triangulations, and continuous cluster categories (report on joint work with Christine Bessenrodt and Thorsten Holm) - Peter Jorgensen, Newcastle University
• 27 October 2016 12:00: Crystal structure determination with Olex2 - And what you no longer need to know. - Horst Puschmann, Durham (Chemistry)
• 20 October 2016 13:00: Geometric realizations of quiver mutations. - Anna Felikson, Durham.
• 20 October 2016 13:00: Geometric Realisations of Quiver Mutations - Anna Felikson, Durham
• 23 June 2016 13:00: The polynomial method in incidence geometry and harmonic analysis. - Marina Iliopoulou., Birmingham University.
• 5 May 2016 13:00: On homogeneous Lagrangian submanifolds in complex hyperbolic spaces. - Toru Kajigaya, Osaka City.
• 28 April 2016 13:00: Two-systoles of hyperbolic three-manifolds. - Misha Belolipetsky
• 10 March 2016 13:00: TBA. - John Parker, Durham.
• 25 February 2016 13:00: Projectivity of Banach and C*-algebras of continuous fields. - David Cushing., Durham.
• 23 February 2016 13:00: tba - Ben Lambert , University of Konstanz
• 18 February 2016 13:00: Flowing to non-round Weingarten spheres. - Brendan Guilfoyle., Tralee.
• 11 February 2016 13:00: Interactive Visualization for Singular Fibers of Functions f : R^3 -> R^2. - Hamish Carr., Leeds.
• 4 February 2016 13:00: Characterizing non-positive curvature via an isoperimetric inequality. - Stefan Wenger., Fribourg.
• 28 January 2016 13:00: TBA. - John Lawson., Durham.
• 17 December 2015 13:00: Geography of complex varieties: an introduction. - Tong Zhang., Durham.
• 10 December 2015 13:00: What are Damek-Ricci spaces? - Norbert Peyerimhoff., Durham.
• 3 December 2015 13:00: A homological view of invariant measures. - John Hunton, Durham.
• 26 November 2015 13:00: Hyperbolic Coxeter polytopes. - Pavel Tumarkin., Durham.
• 19 November 2015 13:00: TBA. - Chris Smithers, Durham.
• 12 November 2015 13:00: On the Existence of Convex Surfaces with Prescribed k-Symmetric Curvatures. - Daniel Ballesteros., Durham.
• 5 November 2015 14:00: Tight, non-fillable contact structures on 3-manifolds. - Andy Wand., Glasgow.
• 29 October 2015 13:00: Equivariant minimal surfaces in the complex hyperbolic plane, and surface group representations. - Ian McIntosh., York.
• 8 October 2015 13:00: Complex hyperbolic triangle groups - John Parker, Durham.
• 21 May 2015 13:00: Deligne-Mostow lattices and cone metrics on the sphere. - Irene Pasquinelli., Durham.
• 12 March 2015 13:00: Branched covering in 4 dimensions. - Daniele Zuddas, KIAS.
• 9 March 2015 11:00: Reconstruction and estimation of rigid functions based on local data. - Ivan Veselic, TU Chemnitz, Germany
• 5 March 2015 13:00: Heegaard Floer homology, Dehn surgery and the mapping cone formula. - Fyodor Gainullin., Imperial College.
• 26 February 2015: Schrödinger operators with delta and delta' potentials supported on hypersurfaces - Matthias Langer, University of Strathclyde
• 19 February 2015: NON-KAHLER COMPLEX STRUCTURES ON R4. - Naohiko Kasuya, Tokyo University
• 12 February 2015 13:00: New results about noncompact harmonic and asymptotically harmonic spaces. - Norbert Peyerimhoff., Durham.
• 5 February 2015 13:00: Topological 4-manifolds as branched coverings of S^4 - continued. - Daniele Zuddas, KIAS.
• 29 January 2015 13:00: Deformations of link homologies. - Paul Wedrich., Cambridge.
• 22 January 2015 13:00: - Daniele Zuddas, Korea Institute of Advanced Study.
• 15 January 2015 13:00: - Patrick Orson, Durham
• 11 December 2014: Saturation in the hypercube. - Natasha Morrison, Oxford
• 4 December 2014 13:00: Smooth surfaces in 4-space and me. - Andrew Lobb, Durham.
• 27 November 2014 13:00: Homotopy types and Khovanov cohomology. - Dan Jones, Durham
• 6 November 2014 13:00: Handle cancellation in flow categories and the stable Khovanov homotopy type - Dirk Schütz, Durham University
• 30 October 2014 13:00: Schrödinger operators with delta-potentials on manifolds - Christian Kühn, Strathclyde
• 23 October 2014 13:00: The Alexander polynomial as a Reshetikhin-Turaev invariant. - Jonathan Grant, Durham
• 16 October 2014 13:00: Parabolic isometries of hyperbolic spaces and discreteness. - John Parker, Durham
• 5 June 2014 00:00: An equivalent of Pestov's Identity for the principal bundle of orthonormal frames of a manifold - Michela Egidi, Durham
• 20 March 2014: - Nikos Georgiou, University Sao Paulo
• 13 March 2014: Many polytopal realizations of generalized associahedra - Carsten Lange, Durham University
• 12 March 2014 11:00: Homeomorphisms between aperiodic tiling spaces - Antoine Julien, (NTNU Norway)
• 6 March 2014: - Robert Royals., Durham.
• 27 February 2014: Coxeter groups, cluster algebras, and geometric manifolds - Pavel Tumarkin, Durham
• 13 February 2014: Non-arithmetic lattices in SU(2,1). - John Parker, Durham
• 6 February 2014: Non-arithmetic lattices in SU(2,1). - John Parker, Durham
• 30 January 2014: Non-arithmetic lattices in SU(2,1) - John Parker, Durham
• 12 December 2013: Topological aspects of the functionality of DNA. - Karin Valencia, IHES
• 28 November 2013 13:00: The Dirichlet problem at infinity for asymptotically harmonic manifolds - Norbert Peyerimhoff, Durham University
• 21 November 2013 13:00: Kendall-type theorem for generalized harmonic maps - Shiping Liu, Durham University
• 7 November 2013 13:00: The 1-form Lapacianb on a graph-like manifold - Michela Egidi, Durham University
• 24 October 2013 13:00: Topological perspectives on Aperiodic patterns - John Hunton, Durham University
• 17 October 2013 00:00: Orderable groups and Heegaard Floer homology - Mauro Mauricio, Renyi Institute, Budapest
• 16 May 2013 13:00: What I know about instantons. - Andrew Lobb
• 28 February 2013: Symbolic dynamics for multi-bump magnetic fields in the euclidean plane. - Frank Schulz, Dortmund
• 14 February 2013 13:00: Classifying unitary matrices - John R Parker, Durham University
• 31 January 2013 13:00: Hurwitz numbers in geometry and physics. - Sergey Shadrin, University of Amsterdam & Isaac Newton Institute