Titlebook: Handbuch Digitalisierung und politische Beteiligung; Norbert Kersting,Jörg Radtke,Sigrid Baringhorst Living reference work 2025Latest edit

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Armin Grunwalded in the various institutions, and the extent of institutional provision and the range of courses of study available to students. During the ten year period between the academic years 1989/90 and 1999/2000 the numbers of students registered at third level rose from 62,137 to 115,696 representing an

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商议

Katja Gollasch,Jörn von Luckebrium state is perturbed by adding a single eigenmode of the shearing instability and the subsequent evolution is followed into the nonlinear regime. Assuming that the perturbation is the most rapidly growing eigenmode, the linear theory remains applicable until the magnetic pressure perturbation is

AUGUR

Katrin Möltgen-Sicking,Nicole Najemnik with subsonic velocities onto the rotating magnetosphere forming an extended quasi-spherical shell. The accretion rate in the shell is determined by the ability of the plasma to enter the magnetosphere due to the Rayleigh-Taylor instability with account for cooling. This accretion regime may be est

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Sigrid Baringhorstnge of spatial scales. I review the solar-like activity in T Tauri stars, and the X-ray and radio [cm] evidence for extended magnetic structures (≲ 10 R.). I then describe the close circumstellar material (≲ 1000 AU) recently associated with a fraction of these stars and with objects embedded in mol

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Christoph Neubergerlactic magnetic field and are expected to have large disc anisotropy in contrast to observations. Extragalactic protons and nuclei from the remote sources must have cutoff in energy spectra due to interaction with microwave photons (GZK cutoff [1]). The absence of such cutoff in the observed spectru