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136 papers · 1 filter
Approximation of mixed order Sobolev functions on the -torus -- Asymptotics, preasymptotics and -dependence
Thomas Kuehn, Winfried Sickel, Tino Ullrich
We investigate the approximation of -variate periodic functions in Sobolev spaces of dominating mixed (fractional) smoothness on the -dimensional torus, where the appro…
Potential multi-component structure of the debris disk around HIP 17439 revealed by Herschel/DUNES
S. Ertel, J. P. Marshall, J. -C. Augereau +16
[abridged] Aims. Our Herschel Open Time Key Programme DUNES aims at detecting and characterizing debris disks around nearby, sun-like stars. In addition to the statistical analysis…
Hadron masses and baryonic scales in -QCD at finite density
Björn H. Wellegehausen, Axel Maas, Andreas Wipf +1
The QCD phase diagram at densities relevant to neutron stars remains elusive, mainly due to the fermion-sign problem. At the same time, a plethora of possible phases has been predi…
Formation of silicon oxide grains at low temperature
S. A. Krasnokutski, G. Rouille, C. Jager +3
The formation of grains in the interstellar medium, i.e., at low temperature, has been proposed as a possibility to solve the lifetime problem of cosmic dust. This process lacks a…
A hyperelliptic solution class for the hyperbolic Ernst equation
Sebastian Moeckel
A new hyperelliptic solution class for the hyperbolic Ernst equation is obtained by transforming the regarding solution of the elliptic Ernst equation. Furthermore, a nontrivial wa…
The Hercules-Lyra Association revisited New age estimation and multiplicity study
T. Eisenbeiss, M. Ammler-von Eiff, T. Roell +5
The Her-Lyr assoc., a nearby young MG, contains a few tens of ZAMS stars of SpT F to M. The existence and the properties of the Her-Lyr assoc. are controversial and discussed in th…