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Locally supported tangential vector, n-vector, and tensor fields

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Vectorcardiography based analysis of atrial fibrillation

This paper discusses the feasibility and effectiveness of using vectors of the current dipoles representing local electric activity inside the atrial myocardium during atrial fibrillation. The application relates to the search for improving the performance ...

JAKS Publishing Company2009

Iterative surface design for constructions based on timber panels

Yves Weinand, Ivo Stotz, Gilles Gouaty

The aim of our research is to develop a powerful tool for the generation and the fabrication of free-form architecture. Within the last years, architectural design has shown great interest in the design of new and complex geometries, commonly known as free ...

EMPA2008

Efficient scattering calculations in complex backgrounds

Olivier Martin

The utilization of the Green's tensor associated with a complex optical background (surface, cavity or stratified medium) leads to a dramatic reduction of the computation effort associated with scattering calculations in that background. This approach is i ...

2004

Intégration de connaissances syntaxiques et sémantiques dans les représentations vectorielles de textes

Romaric Besançon

The notion of similarity between texts is fundamental for many applications of Natural Language Processing. For example, this notion is particularly useful for the applications designed for the management of information in large textual databases, such as ...

EPFL2002

Solving a system of linear diophantine equations with lower and upper bounds on the variables

Arjen Lenstra

We develop an algorithm for solving a system of diophantine equations with lower and upper bounds on the variables. The algorithm is based on lattice basis reduction. It first finds a short vector satisfying the system of diophantine equations, and a set o ...

INFORMS2000

Accurate solution of the volume integral equation for high-permittivity scatterers

Olivier Martin

We present a formalism based on the method of moment to solve the volume integral equation using tetrahedral (3-D) and triangular (2-D) elements. We introduce a regularization scheme to handle the strong singularity of the Green's tensor. This regularizati ...

Institute of Electrical and Electronics Engineers2000