3 papers
math.NA2020
Annihilation Operators for Exponential Spaces in Subdivision
Costanza Conti, Sergio Lopez-Urena, Lucia Romani
We investigate properties of differential and difference operators annihilating certain finite-dimensional subspaces of exponential functions in two variables that are connected to…
math.NA2020
Bezout-like polynomial equations associated with dual univariate interpolating subdivision schemes
Luca Gemignani, Lucia Romani, Alberto Viscardi
The algebraic characterization of dual univariate interpolating subdivision schemes is investigated. Specifically, we provide a constructive approach for finding dual univariate in…
math.NA2019
Dual Univariate Interpolatory Subdivision of Every Arity: Algebraic Characterization and Construction
Lucia Romani, Alberto Viscardi
A new class of univariate stationary interpolatory subdivision schemes of dual type is presented. As opposed to classical primal interpolatory schemes, these new schemes have masks…