Niklas Hellmer
I read the news today - oh, boy/ Four thousand holes in Blackburn, Lancashire/ And though the holes were rather small/ They had to count them all/ Now they know how many holes it takes to fill the Albert Hall-The Beatles, A Day In The Life
Personal Information
Dioscuri Centre in Topological Data AnalysisInstytut Matematyczny PAN
Room 16
Sniadeckich 8, 00-656 Warszawa
ORCID Here is a recent CV.
News
- 28/10/2022:
- - Preprint "Topology-Driven Goodness-of-Fit Tests in Arbitrary Dimensions" on the ArXiv.
- 10.-14.10.2022
- - Attending the workshop on geometry, topology and statistics at Institut Henri Poincare, Paris.
- winter term 2022/23
- - teaching recitation classes for Analysis I for WNE.
- 28.-30.09.2022
- - Attending the TDA Workshop in Heidelberg, giving a "lightning talk" an Goodness-of-fit testing using Topology.
- 23/04/2022:
- - Giing a talk at the 4th (Virtual) International Conference on Trauma Surgery Technology 2022, dedicated to Mathematics in Medical Diagnostics .
- 04/03/2022:
- - Teaching labs for Pawel's course "Invitation to TDA".
- 10/11/2021:
- - Giving a talk at the Dioscuri Seminar.
- 22/10/2021:
- - Giving a talk in Piotr Hajac's Noncommutative Geometry Seminar about Persistent Homology: Algebra, Metrics, Stability.
- 04/10/2021:
- - Back in office!
- 21/07/2021:
- - Talk at the Lorentz Centre Workshop on Metrics in Multiparameter Persistence.
- 7/06/2021:
- - Preprint "Bottleneck Profiles and Discrete Prokhorov Metric for Persistence Diagrams" on the ArXiv.
- 30/04/2021:
- - Poster presentation "Discrete Prokhorov Metric for Persistence Diagrams" at TDA workshop at IMSI.
- 21/02/2021:
- - Talk about "Discrete Prokhorov Metric for Persistence Diagrams" at APATG.
- 15/10/2020:
- - Official inauguration of the Dioscuri Centre.
- 1/10/2020:
- - I move to Dioscuri TDA at IMPAN.
- 29/09/2020:
- - Talk about "New Metrics for Persistence Diagrams" at the Second Symposium on Machine Learning and Dynamical Systems. Video.
- 21/08/2020:
- - OxCOVID19DB preprint on medRxiv.
Publications
(BibTeX)1.
Dlotko, P. & Hellmer, N. Bottleneck Profiles and Discrete Prokhorov Metrics for Persistence Diagrams. arXiv:2106.02538 [cs, math] (2021). Accepted to Discrete & Computational Geometry.
2.
Adam Mahdi, Piotr Błaszczyk, Paweł Dłotko, Dario Salvi, Tak-Shing Chan, John Harvey, Davide Gurnari,
Yue Wu, Ahmad Farhat, Niklas Hellmer, Alexander Zarebski, Bernie Hogan, Lionel Tarassenko,
Oxford COVID-19 Database: a multimodal data repository for better understanding the global impact of COVID-19. Scientific Reports 11, 1�11 (2021).
3.
Dłotko, P., Hellmer, N., Stettner, Ł. & Topolnicki, R. Topology-Driven Goodness-of-Fit Tests in Arbitrary Dimensions. Preprint at https://doi.org/10.48550/arXiv.2210.14965 (2022).