2 papers
math.NA2023
Adaptive Quarklet Tree Approximation
Stephan Dahlke, Marc Hovemann, Thorsten Raasch +1
This paper is concerned with near-optimal approximation of a given function with elements of a polynomially enriched wavelet frame, a so-called quarklet frame. I…
math.FA2022
B-Spline Quarklets and Biorthogonal Multiwavelets
Marc Hovemann, Anne Kopsch, Thorsten Raasch +1
We show that B-spline quarks and the associated quarklets fit into the theory of biorthogonal multiwavelets. Quark vectors are used to define sequences of subspaces of…