1 code implementation • 30 Oct 2023 • Hengrui Luo, Jisu Kim, Alice Patania, Mikael Vejdemo-Johansson
Topology can extract the structural information in a dataset efficiently.
no code implementations • NeurIPS Workshop TDA_and_Beyond 2020 • Mikael Vejdemo-Johansson, Sayan Mukherjee
Multiple hypothesis testing requires a control procedure.
1 code implementation • 3 Jun 2020 • Hengrui Luo, Alice Patania, Jisu Kim, Mikael Vejdemo-Johansson
We provide simulation experiments and real data analysis to support our claim that circular coordinates with generalized penalty will detect the change in high-dimensional datasets under different sampling schemes while preserving the topological structures.
no code implementations • 29 Aug 2018 • Mikael Vejdemo-Johansson, Alisa Leshchenko
The Mapper algorithm does not include a check for whether the cover produced conforms to the requirements of the nerve lemma.
no code implementations • 9 Feb 2018 • Leo Carlsson, Gunnar Carlsson, Mikael Vejdemo-Johansson
We describe Fibres of Failure (FiFa), a method to classify failure modes of predictive processes using the Mapper algorithm from Topological Data Analysis.
no code implementations • 9 Dec 2013 • Jesse Berwald, Marian Gidea, Mikael Vejdemo-Johansson
These models are often high-dimensional and chaotic.
1 code implementation • 28 Jul 2011 • Vin de Silva, Dmitriy Morozov, Mikael Vejdemo-Johansson
We consider sequences of absolute and relative homology and cohomology groups that arise naturally for a filtered cell complex.
Algebraic Topology Computational Geometry