Philippe Robert

Occupancy Schemes Associated to Yule Processes (2008)

Robert, Philippe, Simatos, Florian

An occupancy problem with an infinite number of bins and a random probability vector for the locations of the balls is considered. The respective sizes of bins are related to the split times of a...

Occupancy Schemes Associated to Yule Processes (2008)

Robert, Philippe, Simatos, Florian

An occupancy problem with an infinite number of bins and a random probability vector for the locations of the balls is considered. The respective sizes of bins are related to the split times of a...

Occupancy Schemes Associated to Yule Processes (2008)

Robert, Philippe, Simatos, Florian

An occupancy problem with an infinite number of bins and a random probability vector for the locations of the balls is considered. The respective sizes of bins are related to the split times of a...

Interacting Multi-Class Transmissions in Large Stochastic Networks (2008)

Graham, Carl, Robert, Philippe

The mean-field limit of a Markovian model describing the interaction of several classes of permanent connections in a network is analyzed. In the same way as for the TCP algorithm, each of the...

Interacting Multi-Class Transmissions in Large Stochastic Networks (2008)

Graham, Carl, Robert, Philippe

The mean-field limit of a Markovian model describing the interaction of several classes of permanent connections in a network is analyzed. In the same way as for the TCP algorithm, each of the...

Interacting Multi-Class Transmissions in Large Stochastic Networks (2008)

Graham, Carl, Robert, Philippe

The mean-field limit of a Markovian model describing the interaction of several classes of permanent connections in a network is analyzed. In the same way as for the TCP algorithm, each of the...

Interferometric loop method for polarization dispersion measurements (2008)

Thévenaz, L., Nikles, Marc, Robert, Philippe

A novel method for polarization dispersion measurements using an interferometric loop is presented. It can be achieved using a particularly simple setup and provides a representation of the...

Monitoring of large structure using distributed Brillouin fibre sensing (2008)

Thévenaz, L., Facchini, Massimo, Fellay, Alexandre, Robert, Philippe, Inaudi, Daniele, Dardel, Boris

On-site distributed measurements using a sensor based on stimulated Brillouin scattering are presented. Long fibre length can be used, so that a dense 2D or 3D measurement of strain or temperature...

Dynamic Tree Algorithms (2008)

Mohamed, Hanene, Robert, Philippe

In this paper, a general tree algorithm processing a random flow of arrivals is analyzed. Capetanakis-Tsybakov-Mikhailov's protocol in the context of communication networks with random access is an...

Dynamic Tree Algorithms (2008)

Mohamed, Hanene, Robert, Philippe

In this paper, a general tree algorithm processing a random flow of arrivals is analyzed. Capetanakis-Tsybakov-Mikhailov's protocol in the context of communication networks with random access is an...

Dynamic Tree Algorithms (2008)

Mohamed, Hanene, Robert, Philippe

In this paper, a general tree algorithm processing a random flow of arrivals is analyzed. Capetanakis-Tsybakov-Mikhailov's protocol in the context of communication networks with random access is an...

Tuning the formation and rupture of single ligand-receptor bonds by hyaluronan-induced repulsion (2008)

Robert, Philippe, Sengupta, K., Pierre-Henri, Puech, Bongrand, Pierre, Limozin, Laurent

We used a combination of laminar flow chamber and reflection interference microscopy to study the formation and rupture of single bonds formed between Fc-ICAM-1 attached to a substrate and...

Tuning the formation and rupture of single ligand-receptor bonds by hyaluronan-induced repulsion (2008)

Robert, Philippe, Sengupta, K., Pierre-Henri, Puech, Bongrand, Pierre, Limozin, Laurent

We used a combination of laminar flow chamber and reflection interference microscopy to study the formation and rupture of single bonds formed between Fc-ICAM-1 attached to a substrate and...

What is the biological relevance of the specific bond properties revealed by single-molecule studies ? (2008)

Robert, Philippe, Benoliel, Anne-Marie, Pierres, Anne, Bongrand, Pierre

During the last decade, many authors took advantage of new methodologies based on atomic force microscopy, biomembrane force probes, laminar flow chambers or optical traps to study at the single...

What is the biological relevance of the specific bond properties revealed by single-molecule studies ? (2008)

Robert, Philippe, Benoliel, Anne-Marie, Pierres, Anne, Bongrand, Pierre

During the last decade, many authors took advantage of new methodologies based on atomic force microscopy, biomembrane force probes, laminar flow chambers or optical traps to study at the single...

Analysis of Steiner subtrees of Random Trees for Traceroute Algorithms (2008)

Guillemin, Fabrice, Robert, Philippe

We consider in this paper the problem of discovering, via a traceroute algorithm, the topology of a network, whose graph is spanned by an infinite branching process. A subset of nodes is selected...

Analysis of Steiner subtrees of Random Trees for Traceroute Algorithms (2008)

Guillemin, Fabrice, Robert, Philippe

We consider in this paper the problem of discovering, via a traceroute algorithm, the topology of a network, whose graph is spanned by an infinite branching process. A subset of nodes is selected...

An inverse agonist of the histamine H(3) receptor improves wakefulness in narcolepsy: studies in orexin-/- mice and patients. (2008)

Lin, Jian Sheng, Dauvilliers, Yves, Arnulf, Isabelle, Bastuji, Hélène, Anaclet, Christelle, Parmentier, Régis, ...

Narcolepsy is characterized by excessive daytime sleepiness (EDS), cataplexy, direct onsets of rapid eye movement (REM) sleep from wakefulness (DREMs) and deficiency of orexins, neuropeptides that...

An inverse agonist of the histamine H(3) receptor improves wakefulness in narcolepsy: studies in orexin-/- mice and patients. (2008)

Lin, Jian Sheng, Dauvilliers, Yves, Arnulf, Isabelle, Bastuji, Hélène, Anaclet, Christelle, Parmentier, Régis, ...

Narcolepsy is characterized by excessive daytime sleepiness (EDS), cataplexy, direct onsets of rapid eye movement (REM) sleep from wakefulness (DREMs) and deficiency of orexins, neuropeptides that...

A Queueing System for Modeling a File Sharing Principle (2008)

Simatos, Florian, Robert, Philippe, Guillemin, Fabrice

We investigate in this paper the performance of a simple file sharing principle. For this purpose, we consider a system composed of N peers becoming active at exponential random times; the system is...

A Queueing System for Modeling a File Sharing Principle (2008)

Simatos, Florian, Robert, Philippe, Guillemin, Fabrice

We investigate in this paper the performance of a simple file sharing principle. For this purpose, we consider a system composed of N peers becoming active at exponential random times; the system is...

A Queueing System for Modeling a File Sharing Principle (2008)

Simatos, Florian, Robert, Philippe, Guillemin, Fabrice

We investigate in this paper the performance of a simple file sharing principle. For this purpose, we consider a system composed of N peers becoming active at exponential random times; the system is...

Les enquêtes de victimation et la connaissance de la délinquance (2008)

Philippe Robert;, Marie-Lys Pottier, Renée Zauberman

Victimization Surveys and Knowledge of Delinquency: This article is based on an 11 April 2002 presentation at the Survey Methods Seminar of INED and the French Society of Statistics at INED (salle...

Perturbation Analysis of a Variable M/M/1 Queue: A Probabilistic Approach (2007)

Antunes, Nelson, Fricker, Christine, Guillemin, Fabrice, Robert, Philippe

Motivated by the problem of the coexistence on transmission links of telecommunication networks of elastic and unresponsive traffic, we study in this paper the impact on the busy period of an M/M/1...

Analysis of Loss Networks with Routing (2007)

Antunes, Nelson, Fricker, Christine, Robert, Philippe, Tibi, Danielle

This paper analyzes stochastic networks consisting of finite capacity nodes with different classes of requests which move according to some routing policy. The Markov processes describing these...

Analysis of Loss Networks with Routing (2007)

Antunes, Nelson, Fricker, Christine, Robert, Philippe, Tibi, Danielle

This paper analyzes stochastic networks consisting of finite capacity nodes with different classes of requests which move according to some routing policy. The Markov processes describing these...

Perturbation Analysis of a Variable M/M/1 Queue: A Probabilistic Approach (2007)

Antunes, Nelson, Fricker, Christine, Guillemin, Fabrice, Robert, Philippe

Motivated by the problem of the coexistence on transmission links of telecommunication networks of elastic and unresponsive traffic, we study in this paper the impact on the busy period of an M/M/1...

Brain histamine and schizophrenia: potential therapeutic applications of H3-receptor inverse agonists studied with BF2.649. (2007)

Ligneau, Xavier, Landais, Laurent, Perrin, David, Piriou, Johanne, Uguen, Marilyne, Denis, Emmanuel, ...

BF2.649, a high affinity and selective non-imidazole histamine H(3)-receptor antagonist/inverse agonist, was found to easily enter the brain after oral administration to mice: it displayed a ratio of...

Brain histamine and schizophrenia: potential therapeutic applications of H3-receptor inverse agonists studied with BF2.649. (2007)

Ligneau, Xavier, Landais, Laurent, Perrin, David, Piriou, Johanne, Uguen, Marilyne, Denis, Emmanuel, ...

BF2.649, a high affinity and selective non-imidazole histamine H(3)-receptor antagonist/inverse agonist, was found to easily enter the brain after oral administration to mice: it displayed a ratio of...

Réseaux Stochastiques et Algorithmes (2007)

Robert, Philippe

Ce document présente plusieurs méthodes de renormalisation utilisées dans l'étude des réseaux stochastiques. En premier lieu il s'agit d'analyser les limites de processus markoviens de sauts...

Réseaux Stochastiques et Algorithmes (2007)

Robert, Philippe

Ce document présente plusieurs méthodes de renormalisation utilisées dans l'étude des réseaux stochastiques. En premier lieu il s'agit d'analyser les limites de processus markoviens de sauts...

Réseaux Stochastiques et Algorithmes (2007)

Robert, Philippe

Ce document présente plusieurs méthodes de renormalisation utilisées dans l'étude des réseaux stochastiques. En premier lieu il s'agit d'analyser les limites de processus markoviens de sauts...

Réseaux Stochastiques et Algorithmes (2007)

Robert, Philippe

Ce document présente plusieurs méthodes de renormalisation utilisées dans l'étude des réseaux stochastiques. En premier lieu il s'agit d'analyser les limites de processus markoviens de sauts...

On the representation of memory references generated by a program with application to the analysis of cache memories (2007)

Fricker, Christine, Robert, Philippe

In this paper we propose a stochastic model of the sequence of memory references generated by a program. We derive explicit expressions of the main characteristics related to such sequences : working...

On the representation of memory references generated by a program with application to the analysis of cache memories (2007)

Fricker, Christine, Robert, Philippe

In this paper we propose a stochastic model of the sequence of memory references generated by a program. We derive explicit expressions of the main characteristics related to such sequences : working...

Phase transition in a loss load sharing model (2007)

Malyshev, Vadim A., Robert, Philippe

In this paper we analyze the following loss network : when a customer arrives at a node of the network, it is served by this node if this one is not occuped, otherwise it is transmitted to some empty...

Phase transition in a loss load sharing model (2007)

Malyshev, Vadim A., Robert, Philippe

In this paper we analyze the following loss network : when a customer arrives at a node of the network, it is served by this node if this one is not occuped, otherwise it is transmitted to some empty...

Analysis of some networks with local interaction (2007)

Robert, Philippe, Saada, E., Tibi, D.

In this paper we study a stochastic network model introduced recently in the analysis of neural networks. In this model the interaction between the nodes of the network is local : to each node is...

Analysis of some networks with local interaction (2007)

Robert, Philippe, Saada, E., Tibi, D.

In this paper we study a stochastic network model introduced recently in the analysis of neural networks. In this model the interaction between the nodes of the network is local : to each node is...

On the Rates of Convergence of Erlang's Model (2007)

Fricker, Christine, Robert, Philippe, Tibi, Danielle

The convergence to equilibrium of the renormalized M/M/$N/N$ queue is analyzed. Some upper bounds on the distance to equilibrium are given and we prove the cutoff property for two regimes of this...

On the Rates of Convergence of Erlang's Model (2007)

Fricker, Christine, Robert, Philippe, Tibi, Danielle

The convergence to equilibrium of the renormalized M/M/$N/N$ queue is analyzed. Some upper bounds on the distance to equilibrium are given and we prove the cutoff property for two regimes of this...

On the Stability of a Bandwidth Packing Algorithm (2007)

Dantzer, Jean-François, Haddani, Mostafa, Robert, Philippe

The stability properties of the bandwidth allocation algorithm First Fit are analyzed for some distributions on the sizes of the requests. Fluid limits are used to get the ergodicity results. When...

On the Stability of a Bandwidth Packing Algorithm (2007)

Dantzer, Jean-François, Haddani, Mostafa, Robert, Philippe

The stability properties of the bandwidth allocation algorithm First Fit are analyzed for some distributions on the sizes of the requests. Fluid limits are used to get the ergodicity results. When...

Large Scale and Heavy Traffic Asymptotics for Systems with Unreliable Servers (2007)

Dantzer, Jean-François, Mitrani, Isi, Robert, Philippe

The asymptotic behaviour of the M/M/n queue, with servers subject to independe- nt breakdowns and repairs, is examined in the limit where the number of servers tends to infinity and the repair rate...

Large Scale and Heavy Traffic Asymptotics for Systems with Unreliable Servers (2007)

Dantzer, Jean-François, Mitrani, Isi, Robert, Philippe

The asymptotic behaviour of the M/M/n queue, with servers subject to independe- nt breakdowns and repairs, is examined in the limit where the number of servers tends to infinity and the repair rate...

Analysis of a Multi-Class Queueing System (2007)

Dantzer, Jean-François, Robert, Philippe

The stability properties of the bandwidth allocation algorithm First Fit are analyzed for the distributions concentrated on three sizes for the requests. We give the explicit expression of the...

Analysis of a Multi-Class Queueing System (2007)

Dantzer, Jean-François, Robert, Philippe

The stability properties of the bandwidth allocation algorithm First Fit are analyzed for the distributions concentrated on three sizes for the requests. We give the explicit expression of the...

Framing Protocols on Upstream Channel in CATV Networks: Asymptotic Average Delay Analysis (2007)

Jacquet, Philippe, Mühlethaler, Paul, Robert, Philippe

This paper deals with bandwidth management of the upstream channel of a CATV network. The upstream channel bandwidth must be splitted between random access and reserved access. This splitting is...

A Slotted Medium Access Control Scheme Designed for CATV Network (2007)

Jacquet, Philippe, Mühlethaler, Paul, Robert, Philippe

In this paper, we propose for Cable TV Networks (CATV Networks) designs of a slotted medium access scheme with collision detection. These designs are very simple; the used operations are as simple as...

Performant Implementations of Tree Collision Resolution Algorithms for CATV Networks (2007)

Jacquet, Philippe, Mühlethaler, Paul, Robert, Philippe

In this paper, we analyze optimizations and adptations of the stack (tree) algorithm needed to use it as access scheme for a CATV channel access. In CATV network, we have large round trip delays,...

Framing Protocols on Upstream Channel in CATV Networks: Asymptotic Average Delay Analysis (2007)

Jacquet, Philippe, Mühlethaler, Paul, Robert, Philippe

This paper deals with bandwidth management of the upstream channel of a CATV network. The upstream channel bandwidth must be splitted between random access and reserved access. This splitting is...

A Slotted Medium Access Control Scheme Designed for CATV Network (2007)

Jacquet, Philippe, Mühlethaler, Paul, Robert, Philippe

In this paper, we propose for Cable TV Networks (CATV Networks) designs of a slotted medium access scheme with collision detection. These designs are very simple; the used operations are as simple as...

Performant Implementations of Tree Collision Resolution Algorithms for CATV Networks (2007)

Jacquet, Philippe, Mühlethaler, Paul, Robert, Philippe

In this paper, we analyze optimizations and adptations of the stack (tree) algorithm needed to use it as access scheme for a CATV channel access. In CATV network, we have large round trip delays,...

On the Fluid Limits of Some Loss Networks (2007)

Fricker, Christine, Robert, Philippe, Tibi, Danielle

We study the fluid limits of loss networks under Kelly's scaling. In the case of heavy traffic for a single node and J classes of calls, we prove a degenerate diffusion approximation theorem around...

On the Fluid Limits of Some Loss Networks (2007)

Fricker, Christine, Robert, Philippe, Tibi, Danielle

We study the fluid limits of loss networks under Kelly's scaling. In the case of heavy traffic for a single node and J classes of calls, we prove a degenerate diffusion approximation theorem around...

Heavy tailed M/G/1-PS queues with impatience and admission control in packet networks (2007)

Boyer, Jacqueline, Guillemin, Fabrice, Robert, Philippe, Zwart, Bert

In this paper we analyze the M/G/1 processor sharing queue with heavy tailed services and with impatient customers. It is assumed that impatience depends on the value of the service required. We...

A degenerate central limit theorem for single resource loss systems (2007)

Fricker, Christine, Robert, Philippe, Tibi, Danielle

Loss networks in heavy traffic under Kelly's scaling are analyzed. In the case of a single node and R classes of calls, a degenerate diffusion approximation theorem around the corresponding fluid...

Effective bandwidths in a priority queueing system with leaky bucket regulated traffic sources (2007)

Dumas, Vincent, Guillemin, Fabrice, Robert, Philippe

A new admission control algorithm is proposed in this paper for traffic streams controlled by a dual leaky bucket enforcing on the one hand, the peak rate with a stringent tolerance, and on the other...

AIMD algorithms and exponential functionals (2007)

Guillemin, Fabrice, Robert, Philippe, Zwart, Albertus

The behavior of connection transmitting packets into a network according to a general additive-increase multiplicative-decrease (AIMD) algorithm is investigated. It is assumed that loss of packets...

Heavy tailed M/G/1-PS queues with impatience and admission control in packet networks (2007)

Boyer, Jacqueline, Guillemin, Fabrice, Robert, Philippe, Zwart, Bert

In this paper we analyze the M/G/1 processor sharing queue with heavy tailed services and with impatient customers. It is assumed that impatience depends on the value of the service required. We...

A degenerate central limit theorem for single resource loss systems (2007)

Fricker, Christine, Robert, Philippe, Tibi, Danielle

Loss networks in heavy traffic under Kelly's scaling are analyzed. In the case of a single node and R classes of calls, a degenerate diffusion approximation theorem around the corresponding fluid...

Effective bandwidths in a priority queueing system with leaky bucket regulated traffic sources (2007)

Dumas, Vincent, Guillemin, Fabrice, Robert, Philippe

A new admission control algorithm is proposed in this paper for traffic streams controlled by a dual leaky bucket enforcing on the one hand, the peak rate with a stringent tolerance, and on the other...

AIMD algorithms and exponential functionals (2007)

Guillemin, Fabrice, Robert, Philippe, Zwart, Albertus

The behavior of connection transmitting packets into a network according to a general additive-increase multiplicative-decrease (AIMD) algorithm is investigated. It is assumed that loss of packets...

On the ASTA Property in a Feedback Processor-Sharing Queue (2007)

Mitrani, Isi, Robert, Philippe

A stationary M/M/1 Processor-Sharing queue with Bernoulli feedbacks is considered in this paper. Jobs arrive externally with rate $\lambda$ and require services whose average is $1/\mu$; after...

A Stochastic Model for Topology Discovery of Tree Networks (2007)

Azzana, Youssef, Guillemin, Fabrice, Robert, Philippe

A model describing the discovery by means of traceroute of the topology an Internet access network with a tree structure is proposed in this paper. This model allows us to assess the efficiency of...

Inverting sampled ADSL traffic (2007)

Ben Azzouna, Nadia, Guillemin, Fabrice, Poisson, Stéphanie, Robert, Philippe, Fricker, Christine, Antunes, Nelson

On the basis of a reference model for ADSL traffic on an IP backbone link, established in an earlier study, we show in this paper that it is possible to infer the characteristics of long flows by...

On the ASTA Property in a Feedback Processor-Sharing Queue (2007)

Mitrani, Isi, Robert, Philippe

A stationary M/M/1 Processor-Sharing queue with Bernoulli feedbacks is considered in this paper. Jobs arrive externally with rate $\lambda$ and require services whose average is $1/\mu$; after...

A Stochastic Model for Topology Discovery of Tree Networks (2007)

Azzana, Youssef, Guillemin, Fabrice, Robert, Philippe

A model describing the discovery by means of traceroute of the topology an Internet access network with a tree structure is proposed in this paper. This model allows us to assess the efficiency of...

Inverting sampled ADSL traffic (2007)

Ben Azzouna, Nadia, Guillemin, Fabrice, Poisson, Stéphanie, Robert, Philippe, Fricker, Christine, Antunes, Nelson

On the basis of a reference model for ADSL traffic on an IP backbone link, established in an earlier study, we show in this paper that it is possible to infer the characteristics of long flows by...

On the Discovery of Random Trees (2007)

Guillemin, Fabrice, Robert, Philippe

We consider in this paper the problem of discovering, via a traceroute algorithm, the topology of a network, whose graph is spanned by an infinite branching process. A subset of nodes is selected...

On the Discovery of Random Trees (2007)

Guillemin, Fabrice, Robert, Philippe

We consider in this paper the problem of discovering, via a traceroute algorithm, the topology of a network, whose graph is spanned by an infinite branching process. A subset of nodes is selected...

Analysis of Steiner subtrees of Random Trees for Traceroute Algorithms (2007)

Guillemin, Fabrice, Robert, Philippe

We consider in this paper the problem of discovering, via a traceroute algorithm, the topology of a network, whose graph is spanned by an infinite branching process. A subset of nodes is selected...

Perturbation Analysis of a Variable M/M/1 Queue: A Probabilistic Approach (2007)

Antunes, Nelson, Fricker, Christine, Guillemin, Fabrice, Robert, Philippe

Motivated by the problem of the coexistence on transmission links of telecommunication networks of elastic and unresponsive traffic, we study in this paper the impact on the busy period of an $M/M/1$...

A Probabilistic Analysis of Some Tree Algorithms (2007)

Mohamed, Hanène, Robert, Philippe

In this paper a general class of tree algorithms is analyzed. It is shown that, by using an appropriate probabilistic representation of the quantities of interest, the asymptotic behavior of these...

On the asymptotic behavior of some Algorithms (2007)

Robert, Philippe

A simple approach is presented to study the asymptotic behavior of some algorithms with an underlying tree structure. It is shown that some asymptotic oscillating behaviors can be precisely analyzed...

Perturbation analysis of an M/M/1 queue in a diffusion random environment (2007)

Fricker, Christine, Guillemin, Fabrice, Robert, Philippe

An $M/M/1$ queue whose server rate depends on the state of an independent Ornstein-Uhlenbeck diffusion process is studied in this paper by means of a regular perturbation analysis. Specifically, if...