3 papers
astro-ph.CO2020
Qualitative dynamics of interacting vacuum cosmologies
Chakkrit Kaeonikhom, Phongsaphat Rangdee, Hooshyar Assadullahi +3
We present a phase-space analysis of the qualitative dynamics cosmologies where dark matter exchanges energy with the vacuum component. We find fixed points corresponding to power-…
astro-ph.CO2019
Properties of subhalos in the interacting dark matter scenario
Ángeles Moliné, Jascha A. Schewtschenko, Miguel A. Sánchez-Conde +3
One possible and natural derivation from the collisionless cold dark matter (CDM) standard cosmological framework is the assumption of the existence of interactions between dark ma…
cs.NE2015
General Riemannian SOM
Jascha A. Schewtschenko
Kohonen's Self-Organizing Maps (SOMs) have proven to be a successful data-reduction method to identify the intrinsic lower-dimensional sub-manifold of a data set that is scattered…