Scientific Background: 

The recent DESI cosmology results found tentative evidence for evolving dark energy, but with a troubling dependence on the SN Ia sample used. The goal of this 2.5-day workshop is to bring together experts who study SN Ia progenitors and explosion physics with people leveraging SNe Ia to constrain cosmological parameters to make headway in resolving this issue for the next generation of cosmological experiments.

Workshop Goals:

• What is the current status of SN Ia progenitors, and their observed correlations with environmental properties?
• What does the possibility of multiple SN Ia progenitor pathways mean for their standardization and use for cosmology? 
• What data is needed to move beyond current empirical calibrations in SN Ia cosmology, and towards physics-informed bias corrections in the era of high-precision cosmology surveys like DESI, Rubin, and Roman?  

Invited Speakers:

Organizing Committee: