Showing 2025Show all
2 papers · 1 filter
math.CA2025
A direct and algebraic characterization of higher-order differential operators
WÅodzimierz Fechner, Eszter Gselmann
This paper presents an algebraic approach to characterizing higher-order differential operators. While the foundational Leibniz rule addresses first-order derivatives, its extensio…
math.CA2025
On Iverson's law of similarity
Eszter Gselmann, Christopher W. Doble, Yung-Fong Hsu
Iverson (2006) proposed the law of similarity \[ ξ_{s}(λx)= γ(λ, s)ξ_{η(λ, s)}(x) \] for the sensitivity functions . Compared to the former models, the ge…