Publications associées à Trois dimensions

Theorizing the Emotional Quality of Teaching and Learning Relationships in STEM Faculty Development

Roland John Tormey, Siara Ruth Isaac, Ingrid Le Duc

The emotional quality of learning relationships can affect student attainment and engagement and should, therefore, be a focus for STEM faculty development activities. This chapter introduces the range of ways in which educational relationships in STEM cla ...

Information Age Publishing2022

A localized reduced basis approach for unfitted domain methods on parameterized geometries

Annalisa Buffa, Pablo Antolin Sanchez, Margarita Chasapi

This work introduces a reduced order modeling (ROM) framework for the solution of parameterized second-order linear elliptic partial differential equations formulated on unfitted geometries. The goal is to construct efficient projection-based ROMs, which r ...

2022

Inference and Computation for Sparsely Sampled Random Surfaces

Victor Panaretos, Tomas Rubin, Tomas Masák

Nonparametric inference for functional data over two-dimensional domains entails additional computational and statistical challenges, compared to the one-dimensional case. Separability of the covariance is commonly assumed to address these issues in the de ...

TAYLOR & FRANCIS INC2022

Localization errors of the stochastic heat equation

David Jean-Michel Candil

In this thesis, we study the stochastic heat equation (SHE) on bounded domains and on the whole Euclidean space

\R^d.

We confirm the intuition that as the bounded domain increases to the whole space, both solutions become arbitrarily close to one another ...

EPFL2022

Long Time Behavior of an Age- and Leaky Memory-Structured Neuronal Population Equation

Valentin Marc Schmutz

We study the asymptotic stability of a two-dimensional mean-field equation, which takes the form of a nonlocal transport equation and generalizes the time-elapsed neuron network model by the inclusion of a leaky memory variable. This additional variable ca ...

2022

Bounds on photon scattering

Denis Karateev, Kelian Philippe Häring, Marco Meineri, Aditya Hebbar

We study 2-to-2 scattering amplitudes of massless spin one particles in

d=4

space-time dimensions, like real world photons. We define a set of non-perturbative observables (Wilson coefficients) which describe these amplitudes at low energies. We use full ...

2022

Three-dimensional Fermi surfaces from charge order in layered CsV3Sb5

Philip Johannes Walter Moll, Matthias Carsten Putzke, Yi-Chiang Sun, Chunyu Guo, Xiangwei Huang

The cascade of electronic phases in CsV3Sb5 raises the prospect to disentangle their mutual interactions in a clean, strongly interacting kagome lattice. When the kagome planes are stacked into a crystal, its electronic dimensionality encodes how much of t ...

AMER PHYSICAL SOC2022

Reduced basis methods for numerical room acoustic simulations with parametrized boundaries

Jan Sickmann Hesthaven, Hermes Sampedro Llopis

The use of model-based numerical simulations of wave propagation in rooms for engineering applications requires that acoustic conditions for multiple parameters are evaluated iteratively, which is computationally expensive. We present a reduced basis metho ...

ACOUSTICAL SOC AMER AMER INST PHYSICS2022

Reduced order modelling of nonaffine problems on parameterized NURBS multipatch geometries

Annalisa Buffa, Pablo Antolin Sanchez, Margarita Chasapi

This contribution explores the combined capabilities of reduced basis methods and IsoGeometric Analysis (IGA) in the context of parameterized partial differential equations. The introduction of IGA enables a unified simulation framework based on a single g ...

2022

Bragg edge tomography characterization of additively manufactured 316L steel

Roland Logé, Christian Leinenbach, Efthymios Polatidis, Markus Strobl, Nikola Kalentics

In this work we perform a neutron Bragg edge tomography of stainless steel 316L additive manufacturing samples, one as built via standard laser powder bed fusion, and one using the novel three-dimensional (3D) laser shock peening technique. First, we consi ...

AMER PHYSICAL SOC2022

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Theorizing the Emotional Quality of Teaching and Learning Relationships in STEM Faculty Development

A localized reduced basis approach for unfitted domain methods on parameterized geometries

Inference and Computation for Sparsely Sampled Random Surfaces

Localization errors of the stochastic heat equation

Long Time Behavior of an Age- and Leaky Memory-Structured Neuronal Population Equation

Bounds on photon scattering

Three-dimensional Fermi surfaces from charge order in layered CsV3Sb5

Reduced basis methods for numerical room acoustic simulations with parametrized boundaries

Reduced order modelling of nonaffine problems on parameterized NURBS multipatch geometries

Bragg edge tomography characterization of additively manufactured 316L steel

Reduced basis methods for numerical room acoustic simulations with parametrized boundaries

Long Time Behavior of an Age- and Leaky Memory-Structured Neuronal Population Equation

Reduced order modelling of nonaffine problems on parameterized NURBS multipatch geometries

Localization errors of the stochastic heat equation

A localized reduced basis approach for unfitted domain methods on parameterized geometries

Three-dimensional Fermi surfaces from charge order in layered CsV3Sb5

Bragg edge tomography characterization of additively manufactured 316L steel

Bounds on photon scattering

Theorizing the Emotional Quality of Teaching and Learning Relationships in STEM Faculty Development

Inference and Computation for Sparsely Sampled Random Surfaces