Alexander Kushpel

According to our database, Alexander Kushpel authored at least 8 papers between 2000 and 2023.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2023

Optimal recovery and volume estimates.

Alexander Kushpel

J. Complex., December, 2023

Estimates of entropy for multiplier operators of systems of orthonormal functions.

J. Milaré, Alexander Kushpel, Sergio A. Tozoni

J. Approx. Theory, January, 2023

2022

Lower bounds of cowidths and widths of multiplier operators.

Alexander Kushpel

J. Complex., 2022

2021

The radii of sections of origin-symmetric convex bodies and their applications.

Alexander Kushpel, Kenan Tas

J. Complex., 2021

2020

On the optimality of the trigonometric system.

Fahd Jarad, Alexander Kushpel, Kenan Tas

J. Complex., 2020

2014

Estimates for n-widths of sets of smooth functions on the torus T^d.

Alexander Kushpel, R. L. B. Stabile, Sergio A. Tozoni

J. Approx. Theory, 2014

2013

A multiplier version of the Bernstein inequality on the complex sphere.

Jeremy Levesley, Alexander Kushpel

J. Comput. Appl. Math., 2013

2000

Optimal Approximation on Sd.

Alexander Kushpel

J. Complex., 2000