Working paper

IMPROVING SOLVE TIME OF AGGREGATION-BASED ADAPTIVE AMG

This paper proposed improving the solve time of the bootstrap AMG proposed previously by the…

the hilbert transform in signal processing

Convergence of new quadrature rules for approximating the Hilbert transform are given. Numerical…

Why diffusion-based preconditioning of Richards equation works: spectral analysis and computational experiments at very large scale.

We consider here a cell-centered finite difference approximation of the Richards equation in three…

Altered brain criticality in Schizophrenia: New insights from MEG

Schizophrenia has a complex etiology and symptomatology that is difficult to untangle. After…

The role of long distance contribution to the B->K(*)l+l- in the Standard Model

We investigate rare semileptonic B->K*l+l- by looking at the long distance contributions. Our…

Numerical assessment of a subglacial lake at Svalbard, Spitzbergen

The likelihood of a subglacial lake beneath Amundsenisen Plateau at Southern Spitzbergen, Svalbard…

Automatic coarsening in Algebraic Multigrid utilizing quality measures for matching-based aggregations Pasqua D'Ambra, Fabio Durastante, Salvatore Filippone, Ludmil Zikatanov

In this paper, we discuss the convergence of an Algebraic MultiGrid (AMG) method for general…

(Real-Time) Embedded (ELF band) FSK-PSK Demodulator based on Hilbert Transform

This paper describes a signal processing application an embedded hardware platform, based on…

Evaluating the impact of increasing temperatures on changes in Soil Organic Carbon stocks: sensitivity analysis and non-standard discrete approximation

A novel model is here introduced for theSOC change indexdefinedas the normalized difference between…

An in-vivo validation of ESI methods with focal sources

Electrical source imaging (ESI) aims at reconstructing the electrical brain activity from…