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- Istituto Nazionale di Fisica Nucleare, Sezione di MilanoIT369 papers
- Brera Astronomical ObservatoryIT367 papers
- National Institute for AstrophysicsIT354 papers
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55 papers · 1 filter
Calculating Colimits Compositionally
R. Rosebrugh, N. Sabadini, R. F. C. Walters
We show how finite limits and colimits can be calculated compositionally using the algebras of spans and cospans, and give as an application a proof of the Kleene Theorem on regula…
GRB 070724B: the first Gamma Ray Burst localized by SuperAGILE and its Swift X-ray Afterglow
E. Del Monte, M. Feroci, L. Pacciani +51
GRB 070724B is the first Gamma Ray Burst localized by SuperAGILE, the hard X-ray monitor aboard the AGILE satellite. The coordinates of the event were published hours aft…
The Afterglows of Swift-era Gamma-Ray Bursts. I. Comparing pre-Swift and Swift era Long/Soft (Type II) GRB Optical Afterglows
D. A. Kann, S. Klose, B. Zhang +73
We have gathered optical photometry data from the literature on a large sample of Swift-era gamma-ray burst (GRB) afterglows including GRBs up to September 2009, for a total of 76…
Decay Rate Statistics of Unstable Classically Chaotic Systems
Valentin V. Sokolov
Decay law of a complicated unstable state formed in a high energy collision is described by the Fourier transform of the two-point correlation function of the scattering matrix. Al…
Gauge-invariant analysis of perturbations in Chaplygin gas unified models of dark matter and dark energy
V. Gorini, A. Y. Kamenshchik, U. Moschella +2
We exploit the gauge-invariant formalism to analyse the perturbative behaviour of two cosmological models based on the generalized Chaplygin gas describing both dark matter and dar…
The NIR to UV continuum of radio loud vs. radio quiet quasars
Marzia Labita, Aldo Treves, Renato Falomo
Starting from a sample of SDSS quasars appearing also in the 2MASS survey, we study the continuum properties of about 1000 objects observed in 8 bands, from NIR to UV. We construct…