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astro-ph.IM2026
Learning Approximate Isometric Embeddings for Efficient Template Placement
Alexandra Wernersson, Jessica Irwin, Melissa Lopez +1
The sphere covering problem has broad applications in science however, exact solutions are computationally infeasible on curved, high-dimensional manifolds because distances must b…
astro-ph.CO2026
Merlin: Fast and flexible 3x2pt cosmology with simulation-based inference
Alexandra Wernersson, Guillermo Franco-Abellán, Guadalupe Cañas-Herrera
We present Merlin, a simulation-based inference (SBI) pipeline to perform cosmological analyses of 3x2pt summary statistics: cosmic shear, galaxy clustering and the cross-correlati…