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74 papers · 1 filter
Order one invariants of planar curves
Tahl Nowik
We give a complete description of all order 1 invariants of planar curves.
Trisecant Lemma for Non Equidimensional Varieties
J. Y. Kaminski, A. Kanel-Belov, M. Teicher
The classic trisecant lemma states that if is an integral curve of $\PP^3$ then the variety of trisecants has dimension one, unless the curve is planar and has degree at least…
The Critical Exponent of the Fractional Langevin Equation is
S. Burov, E. Barkai
We investigate the dynamical phase diagram of the fractional Langevin equation and show that critical exponents mark dynamical transitions in the behavior of the system. For a free…
Chaos Synchronization with Dynamic Filters: Two Way is Better Than One Way
Ido Kanter, Evi Kopelowitz, Johannes Kestler +1
Two chaotic systems which interact by mutually exchanging a signal built from their delayed internal variables, can synchronize. A third unit may be able to record and to manipulat…
Singularities in Speckled Speckle
Isaac Freund, David A. Kessler
Speckle patterns produced by random optical fields with two (or more) widely different correlation lengths exhibit speckle spots that are themselves highly speckled. Using computer…
All-optical production of 7Li Bose-Einstein condensation using Feshbach resonances
Noam Gross, Lev Khaykovich
We show an all-optical method of making 7Li condensate using tunability of the scattering length in the proximity of a Feshbach resonance. We report the observation of two new Fesh…