Oliver Gäfvert

I am a third year PhD student at KTH Royal Institute of Technology in Stockholm, Sweden.


Oliver Gäfvert, Computational complexity in algebraic regression, preprint.

Oliver Gäfvert, Wojciech Chachólski, Stable Invariants for Multidimensional Persistence, preprint.


4/12/19 - Invariants for multiparameter persistence, Nonlinear algebra seminar, MPI MIS Leipzig, Germany, slides.

13/11/19 - Computational complexity in algebraic regression, Algorithmic algebra seminar, TU Berlin, Berlin, Germany, slides.

22/10/19 - Parametrised metrics on persistence modules and non-linear hierarchical clustering, Topology Seminar, EPFL, Lausanne, Switzerland, slides.

7/10/19 - The Euclidean distance degree of the hypothesis variety, Thematic Einstein Semester on Algebraic Geometry - Varieties, Polyhedra, Computation, FU Berlin, Berlin, Germany, poster.

9/7/19 - The Euclidean distance degree of the hypothesis variety, SIAM Conference on Applied Algebraic Geometry, University of Bern, Bern, Switzerland, poster.

2/7/19 - The Euclidean distance degree of the hypothesis variety, Summer School on Randomness and Learning in Non-Linear Algebra, MPI Leipzig, Germany, poster.

22/5/19 - Topcat: Computing Multiparameter Persistence - Local and Global Methods, Dagstuhl Seminar on Topology, Computation and Data Analysis, Schloss Dagstuhl, Germany, slides.

18/2/19 - Topological Data Analysis, Statistics and Machine Learning, MathDataLab Seminar, KTH, Stockholm, Sweden, slides.

26/10/18 - Multiparameter Persistence and Nonlinear Hierarchical Clustering, Data Science and Applied Topology Seminar, CUNY Graduate Center, New York, USA, slides.

26/6/18 - On the NP-hardness of computing stabilized Betti numbers, ATMCS 8, IST Austria, slides.

19-23/2/18 - Topology-based Metric Learning, TAGS - Linking Topology to Algebraic Geometry and Statistics, Max Planck Institute for Mathematics in the Sciences, Leipzig, Germany, poster.

11/10/17 - Differentiable Neural Computers, Stockholm AI Study Group, Schibsted, Stockholm, Sweden, video.

23-29/9/17 - The Differentiable Neural Computer, The Heidelberg Laureate Forum, Heidelberg, Germany, slides.

20-21/6/17 - Topological Methods in Data Analysis, IESC Symposium, Stockholm, Sweden, slides.

25-29/7/16 - Topcat - A Multidimensional Persistent Homology Library, ATMCS 7, Torino, Italy, slides, code.