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73 papers · 1 filter
Observation of Acoustic Valley Vortex States and Valley-Chirality Locked Beam Splitting
Liping Ye, Chunyin Qiu, Jiuyang Lu +5
The Letter reports an experimental observation of the classical version of valley polarized states in a two-dimensional hexagonal sonic crystal, where the inversion-symmetry breaki…
On the additive and multiplicative structures of the exceptional units in finite commutative rings
Su Hu, Min Sha
Let be a commutative ring with identity. A unit of is called exceptional if is also a unit. When is a finite commutative ring, we determine the additive and m…
Large-Margin Softmax Loss for Convolutional Neural Networks
Weiyang Liu, Yandong Wen, Zhiding Yu +1
Cross-entropy loss together with softmax is arguably one of the most common used supervision components in convolutional neural networks (CNNs). Despite its simplicity, popularity…
Polaronic quantum diffusion in dynamic localization regime
Yao Yao
We investigate the quantum dynamics in a disordered electronic lattice with Fibonacci sequence of site energy and off-diagonal electron-phonon coupling within a sub-Ohmic bath by t…
Energetic disorder induced leakage current in organic bulk heterojunction solar cells: comprehending the ultra-high open circuit voltage loss at low temperatures
Wenchao Yang, Yongsong Luo, Pengfei Guo +2
In organic bulk heterojunction solar cells, the open circuit voltage () suffers from an ultra-high loss at low temperatures. In this work we investigate the origin o…
T-CONV: A Convolutional Neural Network For Multi-scale Taxi Trajectory Prediction
Jianming Lv, Qing Li, Xintong Wang
Precise destination prediction of taxi trajectories can benefit many intelligent location based services such as accurate ad for passengers. Traditional prediction approaches, whic…