Catégorie

Keynésianisme

Publications associées (328)

Deflation in Krylov subspace methods and distance to uncontrollability

The task of extracting from a Krylov decomposition the approximation to an eigenpair that yields the smallest backward error can be phrased as finding the smallest perturbation which makes an associated matrix pair uncontrollable. Exploiting this relations ...

2007

BB-M-DPOP: Structural Techniques for Budget-Balance in Distributed Implementations of Efficient Social Choice

Boi Faltings, Adrian Petcu, Wei Xue

We model social choice problems in which self interested agents with private utility functions have to agree on values for a set of variables subject to side constraints. The goal is to implement the efficient solution, maximizing the total utility across ...

2007

Biologically Inspired Kinematic Synergies Provide a New Paradigm for Balance Control of Humanoid Robots

Auke Ijspeert

Nature has developed methods for controlling the movements of organisms with many degrees of freedom which differ strongly from existing approaches for balance control in humanoid robots: Biological organisms employ kinematic synergies that simultaneously ...

2007

Monetary-Fiscal Interactions with a Conservative Central Bank

Luisa Lambertini

Abstract We study macroeconomic stabilization when monetary and fiscal policies interact via their effects on output and inflation and the monetary authority is more conservative than the fiscal. We find that monetary- fiscal interactions result in poor ma ...

2006

A Starburst-Shaped Heterometallic Compound Incorporating Six Densely Packed Gd3+ Ions

André Merbach, Alain Borel, Eva Jakab Toth, Joao Bruno Livramento Fig.

The heterotritopic ligand [bpy(DTTA)2]8- has two diethylenediamine-tetraacetate units for selective lanthanide(III) coordination and one bipyridine function for selective FeII coordination. In aqueous solution and in the presence of these metals, the ligan ...

2006

Internal motions in biomolecules studied by NMR spectroscopy

Chiara Perazzolo

Since many biological processes occur on the μs to ms time scale, internal dynamics on that time scale is believed to be related to biological functionality. The characterization of internal dynamics is thus an important issue to improve our understanding ...

EPFL2006

New methods for the investigation of RNA refolding by NMR spectroscopy

Philipp Wenter

A detailed characterization of the time scales and mechanisms by which RNA molecules change their folding structure upon binding of metabolites or during catalysis is important for the understanding of the different biological functions of RNA. The folding ...

EPFL2006

Cavitation Bubble Dynamics inside Liquid Drops in Microgravity

Mohamed Farhat, Nicolas Dorsaz, Claude Nicollier, Danail Obreschkow, Philipp Kobel, Aurèle De Bosset

We report a fundamental study of single cavitation bubbles inside quasi-spherical water drops produced in microgravity (42nd ESA parabolic flight campaign, 8th ESA student parabolic flight campaign). High-speed imaging revealed implications of isolated, fi ...

2006

Kinetics of RNA Refolding in Dynamic Equilibrium by 1H-Detected 15N Exchange NMR Spectroscopy

Geoffrey Bodenhausen, Philipp Wenter

By implementing new NMR methods that were designed to map very slow exchange processes we have investigated and characterized the refolding kinetics of a thermodynamically stable 34mer RNA sequence in dynamic equilibrium. The RNA sequence was designed to u ...

2006

INTERACTION OF A CAVITATION BUBBLE WITH A SPHERICAL FREE SURFACE

Mohamed Farhat, Nicolas Dorsaz, Danail Obreschkow, Philipp Kobel, Aurèle De Bosset

The dynamic of a cavitation bubble inside a water drop is investigated in microgravity in order to analyze the interaction between the collapsing bubble and a quasispherical free surface. Tests are carried in the frame of the 42nd parabolic flight campaign ...

2006

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