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In mathematics, a super-resolution problem can be formulated as acquiring high-frequency data from low-frequency measurements. This extrapolation problem in the frequency domain is well-known to be unstable. We propose a model-based super-resolution framework (Model-SR) for solving the super-resolution problem and anal...
Signal Processing (eess.SP)FOS: Computer and information sciencesInformation Theory (cs.IT)Signal Processing
Carlota BOZAL-GINESTA · Alessandro SENOCRATE · Qing WANG · Davide SALUSSO · y 1 más
Electrochemical CO2 reduction (eCO2R) is a promising pathway to convert detrimental CO2 emissions into sustainable chemicals. The use of gas diffusion electrodes (GDEs) fed by gaseous CO2 enables achieving high activity and selectivity, albeit with limited stability. We recently demonstrated by operando wide-angle X-ra...
EWEN BELLEC · Richard Johannes BEST · NICOLAS CHARPENTIER · Abisheik John Samuel VICTOR JOTHI · y 3 más
Solid assemblies of organic compounds often include some inevitable misfit between constituents, giving rise to geometric frustration. This may result in tendency to form filaments, lattice distortions and large morphological variations during the growth of the assembly. In this project, we already applied the BCDI met...
Félix del Teso · Carlos Fuertes Morán · Julio D. Rossi
We introduce a game-theoretical framework for the doubly nonlinear parabolic equation \[ |\partial_t u|^{p-2} \partial_t u - Δ_p u = 0. \] where $Δ_p u = \nabla \cdot ( |\nabla u |^{p-2} \nabla u)$ with $p>2$ is the standard $p-$Laplacian. A key feature to our approach is a new asymptotic mean value formula (AMVF) for...
Probability (math.PR)Analysis of PDEsFOS: Mathematicsmathematics
In this paper, it is shown that a necessary condition for unique identifiability of $K$ chirps from $N$ regularly spaced samples of their mixture is $N\geq 2K$ when $K\geq 2$. A necessary and sufficient condition is that a rank-constrained matrix optimization problem has a unique solution; this is the first result of s...
Signal Processing (eess.SP)Signal Processingmathematicsnatural sciences
The Bragg coherent modulation imaging methodology (BCMI) for measuring highly strained nanocrystal has been successfully demonstrated but lack of applications. This proposal will focus on using BCMI to measure the strain envolution of single ZnO nanowire, which will bridge the the relationship of lattice strain and its...
Marta Raurell-Torredà · Mariona Farrés-Tarafa · Luís Basco-Prado · Rafael González-Moret · y 6 más
Immersive virtual reality (IVR) is increasingly being used in nursing education, offering interactive environments for clinical training. However, its effectiveness in cardiopulmonary resuscitation (CPR) training, compared with traditional simulation, remains uncertain.To evaluate the effectiveness of IVR combined with...
Jia-Jie Xu · Erin Goddard · Roger A. Dixon · Ranmalee Eramudugolla · y 3 más
Working memory is one of the core cognitive functions that declines in older adulthood. Brain reserve (BR) refers to neurobiological status of the brain that supports cognition, offering a valuable neurostructural framework for understanding working memory decline among older adults. However, most existing studies rely...
FOS: Psychologybrain reserveNeuroscience and NeurobiologyCognitive Neuroscience
Sorrel K, Haughton · Panagiotis G, Georgiou · Lukesh K, Mahato · Robert L, Harniman · y 4 más
The final morphology of spray-dried microparticles is a key factor in determining their chemical and physical properties, which are in turn important for pharmaceuticals, cosmetics and food manufacturing. It is well known that both the drying kinetics of evaporating droplets and the composition of the feed solution use...
Olivier LEMAIRE · Melissa BELHAMRI · Tristan WAGNER · Sylvain ENGILBERGE · y 1 más
The microbial world is constantly shaping the planet by governing the carbon, nitrogen, and sulfur cycles. While recent developments in ¿omics¿ opened a window of the complexity of this world, it is still problematic to attribute a function to a gene product or predict enzymatic reactions simply from its sequence. Then...
PaNA07-1-29x-ray probeParticles, Nuclei and Fields
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