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9 papers · 1 filter
Beam-Spin Asymmetries in the Azimuthal Distribution of Pion Electroproduction
HERMES Collaboration, A. Airapetian
A measurement of the beam-spin asymmetry in the azimuthal distribution of pions produced in semi-inclusive deep-inelastic scattering off protons is presented. The measurement was p…
Doubling measures, monotonicity, and quasiconformality
Leonid V. Kovalev, Diego Maldonado, Jang-Mei Wu
We construct quasiconformal mappings in Euclidean spaces by integration of a discontinuous kernel against doubling measures with suitable decay. The differentials of mappings that…
Multipliers on a new class of Banach algebras, locally compact quantum groups, and topological centres
Zhiguo Hu, Matthias Neufang, Zhong-Jin Ruan
We study multiplier algebras for a large class of Banach algebras which contains the group algebra , the Beurling algebras , and the Fourier algebra of a…
Sharp probability estimates for random walks with barriers
Kevin Ford
We give sharp, uniform estimates for the probability that a random walk of n steps on the reals avoids a half-line [y,infinity) given that it ends at the point x. The estimates hol…
Cyber-infrastructure to Support Science and Data Management for the Dark Energy Survey
C. Ngeow, J. J. Mohr, T. Alam +9
The Dark Energy Survey (DES; operations 2009-2015) will address the nature of dark energy using four independent and complementary techniques: (1) a galaxy cluster survey over 4000…
X-ray Observations of the Bipolar PNe NGC 2346 and NGC 7026
Robert A. Gruendl, Martin A. Guerrero, You-Hua Chu +1
We have obtained X-ray observations of the bipolar planetary nebulae (PNe) NGC 2346 and NGC 7026 with XMM-Newton. These observations detected diffuse X-ray emission from NGC 7026 b…