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127 papers · 1 filter
Multistability in Monotone I/O Systems, Preliminary Report
David Angeli, Eduardo D. Sontag
We extend the setup in our previous paper to deal with the case in which more than one steady state may exist in feedback configurations. This provides a foundation for the analysi…
Area versus Length Distribution for Closed Random Walks
Filippo Colomo
Using a connection between the -oscillator algebra and the coefficients of the high temperature expansion of the frustrated Gaussian spin model, we derive an exact formula for t…
On the relationship between directed percolation and the synchronization transition in spatially extended systems
F. Ginelli, R. Livi, A. Politi +1
We study the nature of the synchronization transition in spatially extended systems by discussing a simple stochastic model. An analytic argument is put forward showing that, in th…
Rho and Sigma Mesons in Unitarized Thermal ChPT
F. J. Llanes-Estrada, A. Dobado, A. Gomez Nicola +1
We present our recent results for the rho and sigma mesons considered as resonances in pion-pion scattering in a thermal bath. We use chiral perturbation theory to fourth order in…
The Cosmic-Ray Proton and Helium Spectra measured with the CAPRICE98 balloon experiment
M. Boezio, V. Bonvicini, P. Schiavon +36
A new measurement of the primary cosmic-ray proton and helium fluxes from 3 to 350 GeV was carried out by the balloon-borne CAPRICE experiment in 1998. This experimental setup comb…
Thermal Meson properties within Chiral Perturbation Theory
A. Gomez Nicola, J. R. Pelaez, A. Dobado +1
We report on our recent work about the description of a meson gas below the chiral phase transition within the framework of Chiral Perturbation Theory. As an alternative to the sta…