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Simulation-Efficient Cosmological Inference with Multi-Fidelity SBI

L Thiele, AE Bayer, N Takeishi - arXiv preprint arXiv:2507.00514, 2025 - arxiv.org
Astrophysics paper astro-ph.CO Suggest

… The simulation cost for cosmological simulationbased inference can be decreased by combining simulation sets of varying fidelity. We propose an approach to such multi-…

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