Publications associées à Real projective line

Homogeneous Sobolev Metric of Order One on Diffeomorphism Groups on Real Line

In this article we study Sobolev metrics of order one on diffeomorphism groups on the real line. We prove that the space equipped with the homogeneous Sobolev metric of order one is a flat space in the sense of Riemannian geometry, as it is isometric to an ...

Springer Verlag2014

On the Sparsity of Wavelet Coefficients for Signals on Graphs

Pierre Vandergheynst, Benjamin Ricaud, David Shuman

A number of new localized, multiscale transforms have recently been introduced to analyze data residing on weighted graphs. In signal processing tasks such as regularization and compression, much of the power of classical wavelets on the real line is deriv ...

Spie-Int Soc Optical Engineering2013

One-Bit Measurements With Adaptive Thresholds

Michaël Unser, Arash Amini, Ulugbek Kamilov, Aurélien Bourquard

We introduce a new method for adaptive one-bit quantization of linearmeasurements and propose an algorithm for the recovery of signals based on generalized approximate message passing (GAMP). Our method exploits the prior statistical information on the sig ...

Ieee-Inst Electrical Electronics Engineers Inc2012

Semiclassical low energy scattering for one-dimensional Schrödinger operators with exponentially decaying potentials

Roland Donninger

We consider semiclassical Schr"odinger operators on the real line of the form

H(\hbar)=-\hbar^2 \frac{d^2}{dx^2}+V(\cdot;\hbar)

with

\hbar>0

small. The potential

V

is assumed to be smooth, positive and exponentially decaying towards infinity. We e ...

Springer Basel Ag2012

Declarative Specification and Alignment Verification of Services in ITIL

Gil Regev, Alain Wegmann, Irina Rychkova

IT organizations that wish to implement the best practices recommended by the IT Infrastructure Library (ITIL) need to specify the level of service provided to their customers. The implemented service needs to comply with this specification. We propose a m ...

2008

Business-IT Alignment with SEAM for Enterprise Architecture

Gil Regev, Alain Wegmann, Lam Son Lê, Irina Rychkova, José Diego de la Cruz Garcia

To align an IT system with an organization’s needs, it is necessary to understand the organization’s position within its environment a well as its internals. In SEAM for Enterprise Architecture the organization is considered as a hierarchy of systems that ...

IEEE2007

Business and IT Alignment with SEAM

Gil Regev, Alain Wegmann

Aligning business with IT requires understanding goals, strategies and needs. To be able to express them, an enterprise model can be developed. We present some of the traditional techniques used for the development of an enterprise model (value system, BPM ...

University of New South Wales Press2005

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Semiclassical low energy scattering for one-dimensional Schrödinger operators with exponentially decaying potentials

Roland Donninger

We consider semiclassical Schr"odinger operators on the real line of the form

H(\hbar)=-\hbar^2 \frac{d^2}{dx^2}+V(\cdot;\hbar)

with

\hbar>0

small. The potential

V

is assumed to be smooth, positive and exponentially decaying towards infinity. We e ...

Springer Basel Ag2012

Real projective line

Homogeneous Sobolev Metric of Order One on Diffeomorphism Groups on Real Line

On the Sparsity of Wavelet Coefficients for Signals on Graphs

One-Bit Measurements With Adaptive Thresholds

Semiclassical low energy scattering for one-dimensional Schrödinger operators with exponentially decaying potentials

Decay Estimates for the One-dimensional Wave Equation with an Inverse Power Potential

Representation of Radon Shape Diffusions via Hyperspherical Brownian Motion

Declarative Specification and Alignment Verification of Services in ITIL

Business-IT Alignment with SEAM for Enterprise Architecture

Business and IT Alignment with SEAM

Graph Chatbot

Chattez avec Graph Search

On the Sparsity of Wavelet Coefficients for Signals on Graphs

Representation of Radon Shape Diffusions via Hyperspherical Brownian Motion

Semiclassical low energy scattering for one-dimensional Schrödinger operators with exponentially decaying potentials

Homogeneous Sobolev Metric of Order One on Diffeomorphism Groups on Real Line

Business-IT Alignment with SEAM for Enterprise Architecture

Decay Estimates for the One-dimensional Wave Equation with an Inverse Power Potential

One-Bit Measurements With Adaptive Thresholds

Declarative Specification and Alignment Verification of Services in ITIL

Business and IT Alignment with SEAM