2 papers
math.NA2026
Splitting horizontal and vertical polynomial order in a compatible finite element discretisation for numerical weather prediction
Daniel Witt, Thomas Bendall, Jemma Shipton
The accurate and efficient representation of atmospheric dynamics remains a central challenge in numerical weather prediction. A particular difficulty arises from the strong anisot…
math.FA2025
Some results on spectra and certain norms
Danielle Witt
Given the norms of powers of a Banach algebra element , the largest possible value of the minimum modulus on the spectrum of is determined. It…