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astro-ph.CO2026
Analytic and numerical study of dark matter halos in the Horndeski theory
Kohei Onoda, Shun Arai, Daisuke Yamauchi +3
The models of modified gravity that can explain the late-time accelerated expansion of the Universe must pass the local tests of gravity, introducing a screening mechanism so that…
astro-ph.CO2026
Wigner function shapelets: Symplectic representation of astronomical images
Shun Arai
We extend shapelets for the analysis of astronomical images to be available in a phase space, introducing \textit{Wigner function shapelets}(WFSs). Whereas conventional shapelets e…