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astro-ph.CO2026
Diversity of Galaxy Centers from Small-Scale Isocurvature
Jessica N. Lopez-Sanchez, Wen Yin
The observed diversity of galaxy centers motivates the possibility that the local dark matter composition may vary among galaxies. In conventional multicomponent dark matter scenar…
astro-ph.CO2026
Forecast on the generalised dark matter properties from a Euclid-like survey
Ziad Sakr, Jessica N. López-Sánchez
The Stage~IV \textit{Euclid} mission will deliver spectroscopic galaxy redshifts together with photometric positions and shapes, enabling cosmological analyses through spectroscopi…