136 citations · 359 across the 17 of their papers we have counts for
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astro-ph.CO2025★ 1 cited
Power Spectrum Emulators from Neural Networks and Tree-Based Methods
Andrei Lazanu
We use two subsets of 2000 and 1000 Quijote simulations to build two power spectrum emulators, allowing for fast computations of the non-linear matter power spectrum. The first emu…
astro-ph.CO2025★ 2 cited
Primordial gravitational waves in DHOST inflation
Philippe Brax, Andrei Lazanu
We consider DHOST inflationary models with a shift symmetry leading to a de Sitter space-time at the background cosmological level. Deviations from scale invariance of the scalar a…