2017/2018

2018 May 29th, Markus Pflaum (Univ. of Colorado); 'The stratification theory of orbit and inertia spaces of proper Lie groupoids'

2018 May 22nd, Dinh Si Tiep; 'Limits of tangent spaces of definable sets'

2018 May 15th, Konrad Lompert; 'Invariant Nijenhuis tensors and completely integrable geodesic flows on homogeneous spaces'

2018 May 8th, Hassan Babiker; 'Geometry and combinatorics of tetrahedral chains - continuation'

2018 April 24th, Federico Sanchez-Bringas (Mexico); 'On the Geometry of Immersions of Surfaces and the G^*-Deformations in R^n, n=3,4'

2018 April 17th, Hassan Babiker; 'Geometry and combinatorics of tetrahedral chains'

2018 March 27th, Peter Giblin (Liverpool); 'Example of equidistants of a family of surfaces' (joint work with Graham Reeve; abstract below).

2018 March 20th, Gabriel Pietrzkowski; 'Signature of a path - continuation'

2018 February 13th, Gabriel Pietrzkowski; 'Signature of a path'

2018 January 16th, Mariusz Zajac; 'A new proof of Brooks' theorem on graph colouring'

2018 January 9th, Wojciech Domitrz; 'The Gauss-Bonnet Formulas for Coherent Tangent Bundles over Surfaces with Boundary and their Applications'

2017 November 28th, Stanislaw Janeczko; 'Affine invariants and differential forms'

2017 October 17th, Michal Zwierzynski; 'Global approach to the study of singular sets for rosettes - continuation'

2017 October 10th, Michal Zwierzynski; 'Global approach to the study of singular sets for rosettes'