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Related publications (338)

Metastability of fcc-related Si-N phases

The phenomenon of superhardening in TiN/SiNx nanocomposites and the prediction of extreme hardness in bulk gamma-Si3N4 have attracted a large interest to this material system. Attempts to explain the experimental findings by means of first-principles calcu ...

2008

Landau Expansion for Ferroelectrics: Which Variable to Use?

Alexander Tagantsev

The problem of the choice of the order parameter of the Landau expansion of proper ferroelectrics is discussed. The expansion with respect to the (i) electric displacement, (ii) polarization, (iii) ferroelectric contribution to the polarization, (iv) "orde ...

2008

Recent ARPES experiments on quasi-1D bulk materials and artificial structures

Marco Grioni, Emmanouil Frantzeskakis

The spectroscopy of quasi-one-dimensional (1D) systems has been a subject of strong interest since the first experimental observations of unusual line shapes in the early 1990s. Angle-resolved photoemission (ARPES) measurements performed with increasing ac ...

2008

Numerical investigations of fluid structure coupling: oscillating hydrofoil

François Avellan, Olivier Braun

This paper presents an investigation of the hydro elastic behavior of vibrating blades in hydraulic machines, which is of strong interest for turbo machinery applications. As a representative case study for vibrating blade in hydraulic machines, a NACA 000 ...

2008

Partial Snapshot Objects

Rachid Guerraoui, Eric Ruppert, Hagit Albo Attiya

We introduce a generalization of the atomic snapshot object, which we call the partial snapshot object. This object stores a vector of values. Processes may write components of the vector individually or atomically scan any subset of the components. We inv ...

ACM2008

Tracking the free surface of time-dependent flows: Image processing for the dam-break problem

Christophe Ancey, Steve Cochard

The dam-break problem (i.e., the sudden release of a given volume of fluid down a slope) has attracted a great deal of attention from mechanicians and physicists over the past few years, with particular interest devoted to the free-surface profile and the ...

Springer Verlag2008

Rapid parasite adaptation drives selection for high recombination rates

Marcel Salathé

The Red Queen hypothesis proposes that sex is maintained through selection pressure imposed by coevolving parasites: susceptible hosts are able to escape parasite pressure by recombining their genome to create resistant offspring. However, previous theoret ...

Wiley-Blackwell2008

Dynamics of the microglial/amyloid interaction indicate a role in plaque maintenance

Tristan Bolmont

Microglial cells aggregate around amyloid plaques in Alzheimer's disease, but, despite their therapeutic potential, various aspects of their reactive kinetics and role in plaque pathogenesis remain hypothetical. Through use of in vivo imaging and quantitat ...

Society for Neuroscience2008

Network Loss Inference with Second Order Statistics of End-to-End Flows

Patrick Thiran, Xuan Hung Nguyen

We address the problem of calculating link loss rates from end-to-end measurements. Contrary to existing works that use only the average end-to-end loss rates or strict temporal correlations between probes, we exploit second-order moments of end-to-end flo ...

2007

Real-Time Scalable Motion Planning for Crowds

Daniel Thalmann, Jonathan Maim, Barbara Yersin, Fiorenzo Morini

Real-time crowd motion planning requires fast, realistic methods for path planning as well as obstacle avoidance. The difﬁculty to ﬁnd a satisfying trade-off between efﬁciency and believability is particularly challenging, and prior techniques tend to focu ...

2007

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