Selected Presentations

Lectures, seminars and conference presentations by Stefano De Marchi

2025

Fake nodes and some of their applications. Study Day for Renato Spigler, Rome, 29 January 2025.
Presentation at the 65th Anniversary of BIT Numerical Mathematics. Uppsala, Sweden, 14--16 January 2025.
Kernel Approximation and High-Performance Scientific Computing.
Scattered Data Approximation and Connection with Data Analysis.

2024

Three simple mapping strategies for approximating scattered data and functions. Constructive Approximation of Functions 4, Warsaw, 25--28 June 2024.
A short tour of radial basis functions and meshless approximation. Cagliari, 29 April 2024.

2023

My approximation theory results using the Five Ws rule,/a>: When, Where, What, Why, Who Constructive Approximation of Functions 3, Cracow (Poland), 22-24 February 2023.

2022

On generalized Chebyshev functions and points of the interval and some extensions. ICOMSS 2022.

2019

Interpolation and approximation of discontinuities via mapped polynomials and discontinuous kernels. MACMAS 2019, Granada.

2018

New developments on rational RBF approximation. GNCS 2018.

2017

Fast and stable rational RBF-based Partition of Unity interpolation. SMART 2017, Gaeta.

2016

Integration on manifolds by mapped low-discrepancy points and greedy minimal energy points. IBC Conference for the 70th anniversary of Henryk Woźniakowski, Będlewo.

2014

On a new orthonormal basis for RBF native spaces and its fast computation. Torino, 11 June 2014.
A new quasi-Monte Carlo technique based on nonnegative least squares and approximate Fekete points. Antwerp, 5 December 2014.

2013

On a new orthonormal basis for RBF native spaces.

2011

2010

Weakly Admissible Meshes and Discrete Extremal Sets. Sozopol, 2010.

Other presentation files

Stability and Lebesgue constants in RBF interpolation. Göttingen.
Archived presentation: slidesOslo.pdf. Oslo.
Archived presentation: FoCMTCH.pdf.

Meetings and scientific visits

The complete chronological archive of conferences, workshops, seminars and research visits is available on the Past meetings and visits page.

Additional lecture material can be found in the Slides directory and on the Teaching page.