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- Massachusetts Institute of TechnologyUS32 papers
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25 papers · 1 filter
Width of the QCD transition in a Polyakov-loop DSE model
D. Horvatic, D. Blaschke, D. Klabucar +1
We consider the pseudocritical temperatures for the chiral and deconfinement transitions within a Polyakov-loop Dyson-Schwinger equation approach which employs a nonlocal rank-2 se…
Quasi-free actions of finite groups on the Cuntz algebra
Pavle Goldstein, Masaki Izumi
We show that any faithful quasi-free actions of a finite group on the Cuntz algebra are mutually conjugate, and that they are asymptotically representable.
Cross-correlations between volume change and price change
Boris Podobnik, Davor Horvatic, Alexander M. Petersen +1
In finance, one usually deals not with prices but with growth rates , defined as the difference in logarithm between two consecutive prices. Here we consider not the trading vol…
Bankruptcy risk model and empirical tests
Boris Podobnik, Davor Horvatic, Alexander M. Petersen +2
We analyze the size dependence and temporal stability of firm bankruptcy risk in the US economy by applying Zipf scaling techniques. We focus on a single risk factor-the debt-to-as…
Relativistic Hartree-Fock-Bogoliubov model for deformed nuclei
J. -P. Ebran, E. Khan, D. Pena Arteaga +1
The Relativistic Hartree-Fock-Bogoliubov model for axially deformed nuclei (RHFBz) is introduced. The model is based on an effective Lagrangian with density-dependent meson-nucleon…
Radial pulsations and stability of anisotropic stars with quasi-local equation of state
Dubravko Horvat, Sasa Ilijic, Anja Marunovic
Quasi-local variables, i.e. quantities whose values can be derived from physics accessible within an arbitrarily small neighborhood of a spacetime point, are used to construct the…