Tootfinder

This https://arxiv.org/abs/2505.10754 has been replaced.
initial toot: https://mastoxiv.page/@a…

Conservative velocity mappings for discontinuous Galerkin kinetics
Continuum computational kinetic plasma models evolve the distribution function of a plasma species $f_s$ on a phase-space grid over time. In many problems of interest the distribution function has limited extent in velocity space, hence using a highly refined mesh everywhere would be costly and slow. Nonuniform velocity grids can reduce the computational cost by placing more degrees of freedom where $f_s$ is appreciable and fewer where it is not. In this work we introduce a first-of-its kind di…

Prof Anthony Costello on the UK's flawed covid policies
"UK decision not to suppress covid raises questions about medical and scientific advice"
"Early in the covid pandemic, evidence emerged from several East Asian countries that suppression could lead to successful control. Yet the UK did not adopt the approach. ... Why was suppression not recommended, and what can be done to improve advice in future?"
Currently looks like it'd go the same way in the next pandemic too:
"Five years on, many of the people who developed the UK’s flawed response are still in post; they have not changed their views on suppression, and little has been done to improve government pandemic advice committees or to introduce detailed governance rules for the UK’s future pandemic response and resilience."
#covid #history #UKPol #pandemics