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26 papers · 1 filter
3D Geometric Analysis of Tubular Objects based on Surface Normal Accumulation
Bertrand Kerautret, Adrien Krähenbühl, Isabelle Debled-Rennesson +1
This paper proposes a simple and efficient method for the reconstruction and extraction of geometric parameters from 3D tubular objects. Our method constructs an image that accumul…
Logarithmic stability in determining a boundary coefficient in an ibvp for the wave equation
Kais Ammari, Mourad Choulli
In [2] we introduced a method combining together an observability inequality and a spectral decomposition to get a logarithmic stability estimate for the inverse problem of determi…
Global integration of the Schrödinger equation: a short iterative scheme within the wave operator formalism using discrete Fourier transforms
Arnaud Leclerc, Georges Jolicard
A global solution of the Schrödinger equation for explicitly time-dependent Hamiltonians is derived by integrating the non-linear differential equation associated with the time-dep…
Entanglement replication via quantum repeated interactions
Pierre Wendenbaum, Thierry Platini, Dragi Karevski
We study entanglement creation between two independent XX chains, which are repeatedly coupled locally to spin-1/2 Bell pairs. We show analytically that in the steady state the ent…
Nonlinear buckling and symmetry breaking of a soft elastic sheet sliding on a cylindrical substrate
Norbert Stoop, Martin Michael Müller
We consider the axial compression of a thin sheet wrapped around a rigid cylindrical substrate. In contrast to the wrinkling-to-fold transitions exhibited in similar systems, we fi…
Infinigons of the hyperbolic plane and grossone
Maurice Margenstern
In this paper, we study the contribution of the theory of grossone to the study of infinigons in the hyperbolic plane. We can see that the theory of grossone can help us to obtain…