Topological data analysis

L Wasserman - Annual Review of Statistics and Its Application, 2018 - annualreviews.org
Topological data analysis (TDA) can broadly be described as a collection of data analysis
methods that find structure in data. These methods include clustering, manifold estimation …

Galaxy orientation with the cosmic web across cosmic time

S Codis, A Jindal, NE Chisari, D Vibert… - Monthly Notices of …, 2018 - academic.oup.com
This work investigates the alignment of galactic spins with the cosmic web across cosmic
time using the cosmological hydrodynamical simulation Horizon-AGN. The cosmic web …

Cosmic web of galaxies in the COSMOS field: public catalog and different quenching for centrals and satellites

B Darvish, B Mobasher, DC Martin… - The Astrophysical …, 2017 - iopscience.iop.org
We use a mass complete (log ($ M/{M} _ {\odot} $) $\geqslant\, 9.6$) sample of galaxies with
accurate photometric redshifts in the COSMOS field to construct the density field and the …

Alignments between Galaxies and the Cosmic Web at z∼ 1–2 in the IllustrisTNG Simulations

B Zhang, KG Lee, A Krolewski, J Shi… - The Astrophysical …, 2023 - iopscience.iop.org
Galaxy formation theories predict that galaxy shapes and angular momenta have
nonrandom alignments with the cosmic web. This leads to so-called intrinsic alignment …

Detecting effects of filaments on galaxy properties in the Sloan Digital Sky Survey III

YC Chen, S Ho, R Mandelbaum… - Monthly Notices of …, 2017 - academic.oup.com
We study the effects of filaments on galaxy properties in the Sloan Digital Sky Survey
(SDSS) Data Release 12 using filaments from the 'Cosmic Web Reconstruction'catalogue, a …

Like a spider in its web: a study of the large-scale structure around the Coma cluster

N Malavasi, N Aghanim, H Tanimura… - Astronomy & …, 2020 - aanda.org
The Cosmic Web is a complex network of filaments, walls, and voids that represent the
largest structures in the Universe. In this network, which is the direct result of structure …

Velocity structure of the 50 pc long NGC 6334 filamentary cloud-Hints of multiple compressions and their impact on the cloud properties

D Arzoumanian, D Russeil, A Zavagno… - Astronomy & …, 2022 - aanda.org
Context. The interstellar medium is observed to be organized in filamentary structures, and
in neutral (HI) and ionized (H II) bubbles. The expanding nature of these bubbles shapes the …

Relative effect of nodes and filaments of the cosmic web on the quenching of galaxies and the orientation of their spin

N Malavasi, M Langer, N Aghanim… - Astronomy & …, 2022 - aanda.org
Filaments and clusters of the cosmic web have an impact on the properties of galaxies. They
switch off their star-formation, contribute to the build-up of their stellar mass, and affect the …

A survey of the thermal and non-thermal properties of cosmic filaments

C Gheller, F Vazza - Monthly Notices of the Royal Astronomical …, 2019 - academic.oup.com
In this paper, we exploit a large suite of enzo cosmological magneto-hydrodynamical
simulations adopting uniform mesh resolution, to investigate the properties of cosmic …

Redshift and luminosity evolution of the intrinsic alignments of galaxies in Horizon-AGN

N Chisari, C Laigle, S Codis, Y Dubois… - Monthly Notices of …, 2016 - academic.oup.com
Intrinsic galaxy shape and angular momentum alignments can arise in cosmological large-
scale structure due to tidal interactions or galaxy formation processes. Cosmological …