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19922026
most citedMachine Learning in Automated Text Categorization

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Showing 1997Show all

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astro-ph1997★ 1 cited

The broad-band X-ray spectrum of RE 0751+14 (PQ Gem)

T. Belloni, G. Matt, D. De Martino +7

RE 0751+14 is a member of the class of Soft Intermediate Polars. Unlike classical Intermediate Polars, they are characterized by the presence of a soft component in their X-ray spe…

cond-mat1997★ 7 cited

Shape anisotropy and magnetic domain structures in striped monolayers

Paolo Politi, Maria Gloria Pini

We study the effect of dipolar interactions on a magnetic striped monolayer with a microscopic unit cell of square symmetry, and of size spins. Even if the aspect…

astro-ph1997★ 3 cited

BeppoSAX observations of Narrow-Line Seyfert 1 galaxies:I. Ton S 180

A. Comastri, F. Fiore, M. Guainazzi +10

We report on the first spectrum up to 10 keV of the bright narrow-line Seyfert 1 galaxy Ton S 180, obtained with the imaging instruments onboard BeppoSAX. This is the first observe…

cond-mat.stat-mech1997★ 4 cited

Effective Potential, Mori Product and Quantum Dynamics

A. Cuccoli, R. Giachetti, V. Tognetti +1

We present a method that permits the calculation of the dynamical correlation functions for quantum systems. These are obtained by evaluating the generating functionals of the stat…

astro-ph1997★ 3 cited

Electron Ageing and Polarization in Tailed Radio Galaxies

L. Feretti, G. Giovannini, U. Klein +3

High-frequency observations of the tailed radio galaxies IC 310, NGC 1265, 3C 129, and 3C 465 have been performed with the Effelsberg 100-m telescope. For the radio galaxies IC 310…

astro-ph1997★ 7 cited

The broad-band (0.1-200 keV) spectrum of Her X-1 observed with BeppoSAX

D. Dal Fiume, M. Orlandini, G. Cusumano +8

The X-ray pulsar Her X-1 was observed for more than two orbital cycles near the maximum of the 35 day X-ray intensity cycle by the Narrow Field Instruments on-board the BeppoSAX sa…