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Fermi problems as tasks to introducemodelling: what we know and what else weshould know
117 136 10 2
Joint Constraints on Galactic Diffuse Neutrino Emission from the ANTARES and IceCube Neutrino Telescopes
1 7 868 2
Complete PISO and SIMPLE solvers on Graphics Processing Units
We implemented the pressure-implicit with splitting of operators (PISO) and semi-implicit method for pressure-linked equations (SIMPLE) solvers of the Navier-Stokes equations on Fermi-class graphics processing units (GPUs) using the CUDA technology. We also introduced a new format of sparse matrices...
MAD+. Introducing Misconceptions in the Temporal Analysis of the Mathematical Modelling Process of a Fermi Problem
This work describes how the combination of the mistakes committed by a group of pre-service teachers when solving a Fermi problem, with the representation of the temporal analysis of their resolutions, can offer more in-depth information about their conceptual misconceptions regarding mathematical a...
Classification and Analysis of Pre-Service Teachers’ Errors in Solving Fermi Problems
Fermi problems are useful for introducing modelling in primary school classrooms, although teachers’ difficulties in problem solving may hinder their successful implementation. These difficulties are associated with the modelling process, but also with the estimation and measurement skills required...
Propagators for Quantum-Classical Models: Commutator-Free Magnus Methods
1420 1430 16 3
Symmetry and symmetry breaking for some nonlinear problems
This thesis is devoted to the mathematical study of two quantum systems described by nonlinear models: the anisotropic polaron and the electrons in a periodic crystal. We first prove the existence of minimizers, and then discuss the question of uniqueness for both problems. In the first part, we sho...
Development and use of the program of automatic problem solving when conducting practical classes in physics at the university
The creation of a virtual educational environment, consisting of an information space that ensures the availability of unlimited educational material through communication means, a virtual or real communication channel between a student and a teacher, increases the role of self-education, the domina...
Dielectric function of dense plasmas, their stopping power, and sum rules
90 5
An extension of the MAD framework and its possible implication for research
International audience In this paper we investigate the potential in extending Model Activity Diagrams (MADs) as an analytical tool for studying the activities students engage in when working on modelling problems. By including a sub-division of the task students work on in the MAD framework, we are...
Louis-Philippe Dalembert, Mur Méditerranée
The ninth novel of Haitian writer Louis-Philippe Dalembert already announced the tragic force of the subject he was dealing with. The Mediterranean, a sea which should be seen as a symbol of peace and dialogue between peoples, is becoming an inanchable wall that irretrievably separates Europe — a pl...
Mathematical fondations and numerical method of pseudo-potential
The contributions of this thesis consist of three main results. The first result is concerned with analytic perturbation theory for Kohn-Sham type models. We prove, under some technical conditions, the existence, uniqueness and analyticity of the perturbed reduced Hartree-Fock ground state density m...