papers
Publications (18)
astro-ph.CO2018
A gradient based method for modeling baryons and matter in halos of fast simulations
Biwei Dai, Yu Feng, Uros Seljak
astro-ph.CO2025
Detecting Modeling Bias with Continuous Time Flow Models on Weak Lensing Maps
Kangning Diao, Biwei Dai, Uros Seljak
astro-ph.GA2018
Around The Way: Testing $Î$CDM with Milky Way Stellar Stream Constraints
Biwei Dai, Brant E. Robertson, Piero Madau
astro-ph.IM2024
Rubin ToO 2024: Envisioning the Vera C. Rubin Observatory LSST Target of Opportunity program
Igor Andreoni, Raffaella Margutti, John Banovetz +86
astro-ph.CO2020
Learning effective physical laws for generating cosmological hydrodynamics with Lagrangian Deep Learning
Biwei Dai, Uros Seljak
astro-ph.CO2024
A comparative study of cosmological constraints from weak lensing using Convolutional Neural Networks
Divij Sharma, Biwei Dai, Uros Seljak
astro-ph.CO2024
A field-level emulator for modeling baryonic effects across hydrodynamic simulations
Divij Sharma, Biwei Dai, Francisco Villaescusa-Navarro +1
astro-ph.CO2020
MADLens, a python package for fast and differentiable non-Gaussian lensing simulations
Vanessa Böhm, Yu Feng, Max E. Lee +1
astro-ph.CO2019
High mass and halo resolution from fast low resolution simulations
Biwei Dai, Yu Feng, Uros Seljak +1
astro-ph.CO2026
FAIR Universe Weak Lensing ML Uncertainty Challenge: Handling Uncertainties and Distribution Shifts for Precision Cosmology
Biwei Dai, Po-Wen Chang, Wahid Bhimji +15
cs.AI2026
Competing with AI Scientists: Agent-Driven Approach to Astrophysics Research
Thomas Borrett, Licong Xu, Andy Nilipour +7
cs.LG2021
Sliced Iterative Normalizing Flows
Biwei Dai, Uros Seljak
stat.ML2022
Deterministic Langevin Monte Carlo with Normalizing Flows for Bayesian Inference
Richard D. P. Grumitt, Biwei Dai, Uros Seljak
astro-ph.CO2022
Translation and Rotation Equivariant Normalizing Flow (TRENF) for Optimal Cosmological Analysis
Biwei Dai, Uros Seljak
hep-ph2021
The LHC Olympics 2020: A Community Challenge for Anomaly Detection in High Energy Physics
Gregor Kasieczka, Benjamin Nachman, David Shih +44
cs.LG2020
Unsupervised in-distribution anomaly detection of new physics through conditional density estimation
George Stein, Uros Seljak, Biwei Dai
astro-ph.CO2026
One latent to fit them all: a unified representation of baryonic feedback on matter distribution
Shurui Lin, Yin Li, Shy Genel +4
astro-ph.CO2024
Multiscale Flow for Robust and Optimal Cosmological Analysis
Biwei Dai, Uros Seljak