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21 papers · 1 filter
Crandall-Lions Viscosity Solutions for Path-Dependent PDEs: The Case of Heat Equation
Andrea Cosso, Francesco Russo
We address our interest to the development of a theory of viscosity solutions {à} la Crandall-Lions for path-dependent partial differential equations (PDEs), namely PDEs in the spa…
PySAP: Python Sparse Data Analysis Package for Multidisciplinary Image Processing
S. Farrens, A. Grigis, L. El Gueddari +7
We present the open-source image processing software package PySAP (Python Sparse data Analysis Package) developed for the COmpressed Sensing for Magnetic resonance Imaging and Cos…
Hard X-rays from laser-wakefield accelerators in density tailored plasmas
Michaela Kozlova, Igor Andriyash, Julien Gautier +10
Betatron x-ray sources from laser-plasma accelerators combine compactness, high peak brightness, femtosecond pulse duration and broadband spectrum. However, when produced with Tera…
Demonstration of a compact plasma accelerator powered by laser-accelerated electron beams
T. Kurz, T. Heinemann, M. F. Gilljohann +22
Plasma wakefield accelerators are capable of sustaining gigavolt-per-centimeter accelerating fields, surpassing the electric breakdown threshold in state-of-the-art accelerator mod…
Boundary element methods for acoustic scattering by fractal screens
Simon N. Chandler-Wilde, David P. Hewett, Andrea Moiola +1
We study boundary element methods for time-harmonic scattering in () by a fractal planar screen, assumed to be a non-empty bounded subset of the hyperplan…
G{â}teaux type path-dependent PDEs and BSDEs with Gaussian forward processes
Adrien Barrasso, Francesco Russo
We are interested in path-dependent semilinear PDEs, where the derivatives are of G{â}teaux type in specific directions k and b, being the kernel functions of a Volterra Gaussian p…