Search results for: G. Doyen

Items from 1 to 12 out of 12 results

chapter

A CIM Extension for Peer-to-Peer Network and Service Management

G. Doyen, O. Festor, E. Nataf

Lecture Notes in Computer Science > Telecommunications and Networking - ICT 2004 > Network Operation and Management (II) > 801-810

Peer-to-peer (P2P) networks and services are increasingly present in the networking world. Emerging P2P based applications targeting enterprise solutions require an open approach to their management that ensures that the operation of any service is in agreement with QoS parameters. Our contribution deals with the design of a management framework for P2P networks and services. As part of this effort,...

article

Copenhagen Quantum Mechanics Emerges from a Deterministic Schrödinger Theory in 11 Dimensional Spacetime Including Weak Field Gravitation

G. Doyen, D. Drakova

Foundations of Physics > 2015 > 45 > 8 > 959-999

We construct a world model consisting of a matter field living in 4 dimensional spacetime and a gravitational field living in 11 dimensional spacetime. The seven hidden dimensions are compactified within a radius estimated by reproducing the particle–wave characteristics of diffraction experiments. In the presence of matter fields the gravitational field develops localized modes with elementary excitations...

chapter

A Semi-Markovian Individual Model of Users for P2P Video Streaming Applications

Grégory Bonnet, I Ullah, G Doyen, L Fillatre, more

2011 4th IFIP International Conference on New Technologies, Mobility and Security > 1 - 5

2011 4th IFIP International Conference on New Technologies, Mobility and Security (NTMS 2011)

P2P-based live video streaming has become one of the major applications on the Internet. Due to the importance of the user behavior in these systems, intensive measurement studies have been performed over them in order to provide global models. However, in real networks the individual user behavior does not necessarily follow the global or average behavior. As the measurement studies face difficulties...

article

Theory of decoherence at solid surfaces

G. Doyen, D. Drakova

Surface Science > 2009 > 603 > 10-12 > 1579-1588

Decoherence processes at solid surfaces are observed at all time scales. The most common surface processes are classified according to the presently common view on decoherence theory. Prominent examples of decoherent surface processes are electronic relaxation and deexcitation, vibrational relaxation, diffusion, inelastic scattering, sticking, STM-induced chemical reactions and desorption, localization...

chapter

Decentralized Alerts Correlation Approach for DDoS Intrusion Detection

R. Khatoun, G. Doyen, D. Gaiti, R. Saad, more

2008 New Technologies, Mobility and Security > 1 - 5

2008 New Technologies, Mobility and Security

Availability is one of the main characteristics of Internet security and hence attacks against networks increase trying to stop services on servers. Distributed denial of service attacks are very dangerous for computer networks and services availability. Various defense systems were proposed. Unfortunately, until now, there is no efficient solution. This paper presents a decentralized architecture...

article

Theory of long-range forces in AFM and current versus distance curves in STM on Au(111)

D. Drakova, G. Doyen

Surface Science > 2004 > 566-568 > Part 1 > 45-51

Tunnelling currents on Au(111) are evaluated within a theory which regards the tunnelling as an excited state phenomenon. The competition between two effects determines the variations of the tunnelling current with tip-sample distance and leads to a local minimum in the current vs. distance dependence. The theory provides the explanation of various experimental observations in AFM and STM on Au(111):...

article

Effect of rubber aggregates on the physico-mechanical behaviour of cement–rubber composites-influence of the alveolar texture of rubber aggregates

A. Benazzouk, K. Mezreb, G. Doyen, A. Goullieux, more

Cement and Concrete Composites > 2003 > 25 > 7 > 711-720

The study presented herein has been undertaken in order to examine the physico-mechanical properties of cement–rubber composites by use of two types of rubber aggregates, in the aim of developing a highly deformable material. The results obtained highlight the importance of the alveolar feature and the elasticity of the rubber aggregates in helping improve the flexural strength and deformability of...

article

Remote projection and quantum mirages in STS and STM

G. Doyen, D. Drakova

Applied Physics A > 2001 > 72 > 8 > S163-S171

Abstract. The phenomena of remote projection and quantum mirages are investigated using standard quantum mechanics. The information inherent in delocalized wave functions in the vicinity of the Fermi level, including contributions from localized states, is available wherever the waves propagate coherently and have a non-vanishing amplitude and therefore can be probed remotely. This can explain the...

article

Theory of scanning tunneling spectroscopy on Pd(111)

D. Drakova, G. Doyen

Surface Science > 1996 > 352-354 > 698-703

Scanning tunneling spectroscopy (STS) on a clean Pd(111) surface is studied within a layer-KKR scattering theoretical approach and Green function formalism. Agreement is found between the theoretical and experimental features in STS on the clean Pd(111) surface. The theoretical analysis of the spectral features reveals that they originate from bulk band structure features (-1.4, -0.3 and +1.1 V) and...

article

Theory of STM and STS on p(2 2)Na/Al(111)

D. Drakova, G. Doyen, F. Máca

Surface Science > 1996 > 352-354 > 704-710

Scattering theory and Green function theory is used to study scanning tunneling microscopy (STM) and spectroscopy (STS) on p(2 2)Na/Al(111). The surface unit cell has two different Na and four Al atoms, however, in STM experiments in the constant current mode a single protrusion is observed per surface unit cell. The theory demonstrates that at relevant tip-sample separations it is due to the Na...

article

Theory of atom transfer between an aluminum and a tungsten electrode

E. Koetter, D. Drakova, G. Doyen

Surface Science > 1995 > 331-333 > Part A > 679-684

The interaction energy for an Al atom between a W(110) and an Al(111) electrode is calculated within a model which includes electron correlation and multiple image effects. The results show that the Al atom will be spontaneously transferred from the Al surface to the W surface, if the W(110) surface is brought close enough to the Al(111) electrode. This suggests that transfer of Al atoms to the tip...

article

Theory of atom transfer between an aluminum and a tungsten electrode

E. Koetter, D. Drakova, G. Doyen

Surface Science > 1995 > 331-333 > PA > 679-684

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Search results for: G. Doyen

A CIM Extension for Peer-to-Peer Network and Service Management

Copenhagen Quantum Mechanics Emerges from a Deterministic Schrödinger Theory in 11 Dimensional Spacetime Including Weak Field Gravitation

A Semi-Markovian Individual Model of Users for P2P Video Streaming Applications

Theory of decoherence at solid surfaces

Decentralized Alerts Correlation Approach for DDoS Intrusion Detection

Theory of long-range forces in AFM and current versus distance curves in STM on Au(111)

Effect of rubber aggregates on the physico-mechanical behaviour of cement–rubber composites-influence of the alveolar texture of rubber aggregates

Remote projection and quantum mirages in STS and STM

Theory of scanning tunneling spectroscopy on Pd(111)

Theory of STM and STS on p(2 2)Na/Al(111)

Theory of atom transfer between an aluminum and a tungsten electrode

Theory of atom transfer between an aluminum and a tungsten electrode

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