5 papers
Identification and consistent estimation in source apportionment using geometry
Bora Jin, Abhirup Datta
Source apportionment, the attribution of observed multipollutant concentrations to underlying sources, can be cast as a non-negative matrix factorization (NMF) problem. Because NMF…
Consistent Infill Estimability of the Regression Slope Between Gaussian Random Fields Under Spatial Confounding
Abhirup Datta, Michael L. Stein
The problem of estimating the slope parameter in regression between two spatial processes under confounding by an unmeasured spatial process has received widespread attention in th…
Illuminating the Diffuse Radio Emission in Low-Mass Cluster: Abell 13
Nasmi S Anand, Swarna Chatterjee, Ramij Raja +2
Recent advances in high-sensitivity radio observations have uncovered a population of faint, ultra-steep-spectrum sources in galaxy clusters, commonly known as radio phoenixes. How…
LAVA: Language Model Assisted Verbal Autopsy for Cause-of-Death Determination
Yiqun T. Chen, Tyler H. McCormick, Li Liu +1
Verbal autopsy (VA) is a critical tool for estimating causes of death in resource-limited settings where medical certification is unavailable. This study presents LA-VA, a proof-of…
Broadband Modelling of GRB 230812B Afterglow: Implications for VHE -ray Detection with IACTs
Shraddha Mohnani, Biswajit Banerjee, Davide Miceli +13
A significant fraction of the energy from the -ray burst (GRB) jets, after powering the keV-MeV emission, forms an ultra-relativistic shock propagating into the circumburst med…