Alexander Kushpel

activity

20122024

most citedA Multiplier Version of the Bernstein Inequality on the Complex Sphere

2 citations · 2 across the 4 of their papers we have counts for

collaborators

4 papers

math.FA2024

Optimal linear approximation and isometric extensions

Alexander Kushpel

Let $X$ be a Banach space with the unit ball $B (X)$ and $A \subset X$ be a convex origin-symmetric compact in $X$ . Let $j : X \to X$ be an isometric extens…

q-fin.MF2014

Reconstruction of density functions by sk-splines

A. Kushpel, J. Levesley

Reconstruction of density functions and their characteristic functions by radial basis functions with scattered data points is a popular topic in the theory of pricing of basket op…

math.ST2014

Pricing of basket options II

Alexander Kushpel

We consider the problem of approximation of density functions which is important in the theory of pricing of basket options. Our method is well adopted to the multidimensional case…

math.CA2012★ 2 cited

A Multiplier Version of the Bernstein Inequality on the Complex Sphere

Alexander Kushpel, Jeremy Levesley

We prove a multiplier version of the Bernstein inequality on the complex sphere. Included in this is a new result relating a bivariate sum involving Jacobi polynomials and Gegenbau…