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46 papers · 1 filter
Scale Invariance and Self-averaging in disordered systems
Giorgio Parisi, Marco Picco, Nicolas Sourlas
In a previous paper we found that in the random field Ising model at zero temperature in three dimensions the correlation length is not self-averaging near the critical point and t…
Molecular motor with a build-in escapement device
G. Oshanin, J. Klafter, M. Urbakh
We study dynamics of a classical particle in a one-dimensional potential, which is composed of two periodic components, that are time-independent, have equal amplitudes and periodi…
Simultaneous multi-wavelength observations of microquasars (the MINE collaboration)
Yael Fuchs, J. Rodriguez, I. F. Mirabel +9
We present the international collaboration MINE (Multi-lambda INTEGRAL NEtwork) aimed at conducting multi-wavelength observations of microquasars simultaneously with the INTEGRAL s…
A class of Banach spaces with few non strictly singular operators
S. A. Argyros, J. Lopez-Abad, S. Todorcevic
We construct a family $(\mathcal{X}_\al)_{\al\le ω_1}$ of reflexive Banach spaces with long transfinite bases but with no unconditional basic sequences. In our spaces $\mathcal{X}_…
The conundrum of stock versus bond prices
Sergei Maslov, Bertrand M. Roehner
In a general way, stock and bond prices do not display any significant correlation. Yet, if we concentrate our attention on specific episodes marked by a crash followed by a reboun…
Does the price multiplier effect also hold for stocks?
Sergei Maslov, Bertrand M. Roehner
The price multiplier effect provides precious insight into the behavior of investors during episodes of speculative trading. It tells us that the higher the price of an asset is (w…