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X 3 2. Asymptotic properties: exact model 4 2.1. Consistency and asymptotic normality 4 2.2. Asymptotic efficiency 6 3. Asymptotic properties: metamodel 8 3.

- Jean-Claude Fort, Thierry Klein, Nabil Rachdi
- 2013

In a model of the form Y = h(X1,. .. , X d) where the goal is to estimate a parameter of the probability distribution of Y , we define new sensitivity indices which quantify the importance of each variable Xi with respect to this parameter of interest. The aim of this paper is to define goal oriented sensitivity indices and we will show that Sobol indices… (More)

- Nabil Rachdi, Jean-Claude Fort, Thierry Klein
- 2011

In this paper, we develop new algorithms for parameter estimation in the case of models type Input/Output in order to represent and to characterize a phenomenon Y. From experimental data Y 1 , ..., Y n supposed to be i.i.d from Y , we prove a risk bound qualifying the proposed procedures in terms of the number of experimental data n, computing budget m and… (More)

We define a notion of barycenter for random probability measures in the Wasserstein space. We study the population barycenter in terms of existence and uniqueness. Using a duality argument, we give a precise characterization of the population barycenter for compactly supported measures, and we make a connection between averaging in the Wasserstein space and… (More)

- Georg Hampel, Anil Rana, Thierry Klein
- MOBIWAC
- 2013

We present a TCP mobility solution for the mobile Internet which enables seamless session end-point migration across multi-provider network environments. The solution can be applied by mobile devices to conduct energy-efficient network selection and dynamic spectrum sharing or by data centers to facilitate service migration across IP domains. We leverage… (More)

- Yoshimitsu Kohama, Christophe Marcenat, Thierry Klein, Marcelo Jaime
- The Review of scientific instruments
- 2010

A new calorimeter for measurements of the heat capacity and magnetocaloric effect of small samples in pulsed magnetic fields is discussed for the exploration of thermal and thermodynamic properties at temperatures down to 2 K. We tested the method up to μ(0)H=50 T, but it could be extended to higher fields. For these measurements we used carefully… (More)

- Xavier Blase, Etienne Bustarret, Claude Chapelier, Thierry Klein, Christophe Marcenat
- Nature materials
- 2009

Despite the amount of experimental and theoretical work on doping-induced superconductivity in covalent semiconductors based on group IV elements over the past four years, many open questions and puzzling results remain to be clarified. The nature of the coupling (whether mediated by electronic correlation, phonons or both), the relationship between the… (More)

Given (M t) t∈R + and (M * t) t∈R + respectively a forward and a backward mar-tingale with jumps and continuous parts, we prove that E[φ(M t + M * t)] is non-increasing in t when φ is a convex function, provided the local characteristics of (M t) t∈R + and (M * t) t∈R + satisfy some comparison inequalities. We deduce convex concentration inequalities and… (More)

- MinJi Kim, Thierry Klein, Emina Soljanin, João Barros, Muriel Médard
- ArXiv
- 2012

—We study the cost of improving the goodput, or the useful data rate, to user in a wireless network. We measure the cost in terms of number of base stations, which is highly correlated to the energy cost as well as capital and operational costs of a network provider. We show that increasing the available bandwidth, or throughput, may not necessarily lead to… (More)

- Wonsang Song, Georg Hampel, Anil Rana, Thierry Klein, Henning Schulzrinne
- 2012 IEEE 8th International Conference on…
- 2012

We present a mobility solution for stateless applications, where the mobile host can change its IP address as well as the content servers used by ongoing client sessions. This allows content retrieval to always use the locally optimal source when the host moves between networks. We refer to this approach as “stateless mobility” since neither… (More)