Multifidelity simulation-based inference enables accurate field-level weak lensing cosmology with 60-100 high-fidelity N-body simulations via pre-training on log-normal mocks.
A., MacCrann N., Troxel M., Fang X., 2019, Physical Review D, 100 Bridle S., King L., 2007, New Journal of Physics, 9, 444–444 Chisari N
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A quadratic estimator reconstructs spatially-varying multiplicative shear bias m(θ) from EB mode coupling, enabling high-significance detection in Stage IV weak lensing surveys.
citing papers explorer
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Field-level weak lensing cosmology with $<100$ simulations using multifidelity simulation-based inference
Multifidelity simulation-based inference enables accurate field-level weak lensing cosmology with 60-100 high-fidelity N-body simulations via pre-training on log-normal mocks.
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Reconstructing spatially-varying multiplicative bias for Stage IV weak lensing galaxy surveys with a quadratic estimator
A quadratic estimator reconstructs spatially-varying multiplicative shear bias m(θ) from EB mode coupling, enabling high-significance detection in Stage IV weak lensing surveys.