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23 papers · 1 filter
Topological quantum properties of chiral crystals
Guoqing Chang, Benjamin J. Wieder, Frank Schindler +10
Chiral crystals are materials whose lattice structure has a well-defined handedness due to the lack of inversion, mirror, or other roto-inversion symmetries. These crystals represe…
The Megamaser Cosmology Project.IX. Black hole masses for three maser galaxies
F. Gao, J. A. Braatz, M. J. Reid +9
As part of the Megamaser Cosmology Project (MCP), we present VLBI maps of nuclear water masers toward five galaxies. The masers originate in sub-parsec circumnuclear disks. For thr…
Accurate Polarization Calibration at 800 MHz with the Green Bank Telescope
Yu-Wei Liao, Tzu-Ching Chang, Cheng-Yu Kuo +4
Polarization leakage of foreground synchrotron emission is a critical issue in HI intensity mapping experiments. While the sought-after HI emission is unpolarized, polarized foregr…
A Constructive Proof for the Umemura Polynomials of the Third Painlevé Equation
Peter A. Clarkson, Chun-Kong Law, Chia-Hua Lin
We are concerned with the Umemura polynomials associated with rational solutions of the third Painlevé equation. We extend Taneda's method, which was developed for the Yablonskii-V…
Spectral Efficiency of Mixed-ADC Receivers for Massive MIMO Systems
Weiqiang Tan, Shi Jin, Chaokai Wen +1
This paper investigated the uplink of multi-user massive multi-input multi-output (MIMO) systems with a mixed analog-to-digital converter (ADC) receiver architecture, in which some…
Computing the unique CANDECOMP/PARAFAC decomposition of unbalanced tensors by homotopy method
Tsung-Lin Lee, Yueh-Cheng Kuo
The Candecomp/Parafac (CP) decomposition of the tensor whose maximal dimension is greater than its rank is considered. We derive the upper bound of rank under which the generic uni…