Other things
Warning! Non-maths:
Conference paper on Bessel Beam Terahertz Lenses: IEEE, joint work with Yat Long (Jeffrey) Yeung, Geng-Bo Wu, Ka Fai Chan, Chi Hou Chan
Limericks:
Bruhat decomposition by myself, for Felix Schremmer's birthday, 2024.
A reductive group's decomposition.
By Bruhat, there are closure relations
on the Weyl group, a poset
of B-B double cosets,
so this union's a stratification.