# S. Wang - ECUST

## Contact Details

NameS. Wang |
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AffiliationECUST |
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## Pubs By Year |
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## External Links |
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## Pub CategoriesAstrophysics of Galaxies (8) Mathematics - Combinatorics (5) Earth and Planetary Astrophysics (5) Physics - Materials Science (4) Computer Science - Learning (4) Cosmology and Nongalactic Astrophysics (4) Computer Science - Computer Vision and Pattern Recognition (4) Physics - Mesoscopic Systems and Quantum Hall Effect (3) Mathematics - Analysis of PDEs (2) Physics - Accelerator Physics (2) Nuclear Theory (2) Computer Science - Neural and Evolutionary Computing (2) Instrumentation and Methods for Astrophysics (2) Computer Science - Computation and Language (2) High Energy Astrophysical Phenomena (2) Physics - Superconductivity (2) Physics - Computational Physics (1) Nuclear Experiment (1) Computer Science - Human-Computer Interaction (1) Computer Science - Artificial Intelligence (1) Physics - Instrumentation and Detectors (1) Computer Science - Databases (1) Mathematics - Optimization and Control (1) Physics - Disordered Systems and Neural Networks (1) Mathematics - Information Theory (1) Computer Science - Information Theory (1) Quantitative Biology - Quantitative Methods (1) Mathematics - Functional Analysis (1) Mathematics - Dynamical Systems (1) Solar and Stellar Astrophysics (1) Physics - Chemical Physics (1) Quantum Physics (1) Mathematics - Number Theory (1) High Energy Physics - Experiment (1) Quantitative Biology - Biomolecules (1) Mathematics - Differential Geometry (1) Mathematics - Operator Algebras (1) |

## Publications Authored By S. Wang

Unsupervised learning in a generalized Hopfield associative-memory network is investigated in this work. First, we prove that the (generalized) Hopfield model is equivalent to a semi-restricted Boltzmann machine with a layer of visible neurons and another layer of hidden binary neurons, so it could serve as the building block for a multilayered deep-learning system. We then demonstrate that the Hopfield network can learn to form a faithful internal representation of the observed samples, with the learned memory patterns being prototypes of the input data. Read More

**Authors:**Yoshiki Matsuoka, Masafusa Onoue, Nobunari Kashikawa, Kazushi Iwasawa, Michael A. Strauss, Tohru Nagao, Masatoshi Imanishi, Chien-Hsiu Lee, Masayuki Akiyama, Naoko Asami, James Bosch, Sebastien Foucaud, Hisanori Furusawa, Tomotsugu Goto, James E. Gunn, Yuichi Harikane, Hiroyuki Ikeda, Takuma Izumi, Toshihiro Kawaguchi, Satoshi Kikuta, Kotaro Kohno, Yutaka Komiyama, Robert H. Lupton, Takeo Minezaki, Satoshi Miyazaki, Tomoki Morokuma, Hitoshi Murayama, Mana Niida, Atsushi J. Nishizawa, Masamune Oguri, Yoshiaki Ono, Masami Ouchi, Paul A. Price, Hiroaki Sameshima, Andreas Schulze, Hikari Shirakata, John D. Silverman, Naoshi Sugiyama, Philip J. Tait, Masahiro Takada, Tadafumi Takata, Masayuki Tanaka, Ji-Jia Tang, Yoshiki Toba, Yousuke Utsumi, Shiang-Yu Wang

We present spectroscopic identification of 32 new quasars and luminous galaxies discovered at 5.7 < z < 6.8. Read More

**Authors:**H. Aihara

^{1}, N. Arimoto

^{2}, R. Armstrong

^{3}, S. Arnouts

^{4}, N. A. Bahcall

^{5}, S. Bickerton

^{6}, J. Bosch

^{7}, K. Bundy

^{8}, P. L. Capak

^{9}, J. H. H. Chan

^{10}, M. Chiba

^{11}, J. Coupon

^{12}, E. Egami

^{13}, M. Enoki

^{14}, F. Finet

^{15}, H. Fujimori

^{16}, S. Fujimoto

^{17}, H. Furusawa

^{18}, J. Furusawa

^{19}, T. Goto

^{20}, A. Goulding

^{21}, J. P. Greco

^{22}, J. E. Greene

^{23}, J. E. Gunn

^{24}, T. Hamana

^{25}, Y. Harikane

^{26}, Y. Hashimoto

^{27}, T. Hattori

^{28}, M. Hayashi

^{29}, Y. Hayashi

^{30}, K. G. Hełminiak

^{31}, R. Higuchi

^{32}, C. Hikage

^{33}, P. T. P. Ho

^{34}, B. -C. Hsieh

^{35}, K. Huang

^{36}, S. Huang

^{37}, H. Ikeda

^{38}, M. Imanishi

^{39}, A. K. Inoue

^{40}, K. Iwasawa

^{41}, I. Iwata

^{42}, A. T. Jaelani

^{43}, H. -Y. Jian

^{44}, Y. Kamata

^{45}, H. Karoji

^{46}, N. Kashikawa

^{47}, N. Katayama

^{48}, S. Kawanomoto

^{49}, I. Kayo

^{50}, J. Koda

^{51}, M. Koike

^{52}, T. Kojima

^{53}, Y. Komiyama

^{54}, A. Konno

^{55}, S. Koshida

^{56}, Y. Koyama

^{57}, H. Kusakabe

^{58}, A. Leauthaud

^{59}, C. -H. Lee

^{60}, L. Lin

^{61}, Y. -T. Lin

^{62}, R. H. Lupton

^{63}, R. Mandelbaum

^{64}, Y. Matsuoka

^{65}, E. Medezinski

^{66}, S. Mineo

^{67}, S. Miyama

^{68}, H. Miyatake

^{69}, S. Miyazaki

^{70}, R. Momose

^{71}, A. More

^{72}, S. More

^{73}, Y. Moritani

^{74}, T. J. Moriya

^{75}, T. Morokuma

^{76}, S. Mukae

^{77}, R. Murata

^{78}, H. Murayama

^{79}, T. Nagao

^{80}, F. Nakata

^{81}, M. Niida

^{82}, H. Niikura

^{83}, A. J. Nishizawa

^{84}, Y. Obuchi

^{85}, M. Oguri

^{86}, Y. Oishi

^{87}, N. Okabe

^{88}, Y. Okura

^{89}, Y. Ono

^{90}, M. Onodera

^{91}, M. Onoue

^{92}, K. Osato

^{93}, M. Ouchi

^{94}, P. A. Price

^{95}, T. -S. Pyo

^{96}, M. Sako

^{97}, S. Okamoto

^{98}, M. Sawicki

^{99}, T. Shibuya

^{100}, K. Shimasaku

^{101}, A. Shimono

^{102}, M. Shirasaki

^{103}, J. D. Silverman

^{104}, M. Simet

^{105}, J. Speagle

^{106}, D. N. Spergel

^{107}, M. A. Strauss

^{108}, Y. Sugahara

^{109}, N. Sugiyama

^{110}, Y. Suto

^{111}, S. H. Suyu

^{112}, N. Suzuki

^{113}, P. J. Tait

^{114}, T. Takata

^{115}, M. Takada

^{116}, N. Tamura

^{117}, M. M. Tanaka

^{118}, M. Tanaka

^{119}, M. Tanaka

^{120}, Y. Tanaka

^{121}, T. Terai

^{122}, Y. Terashima

^{123}, Y. Toba

^{124}, J. Toshikawa

^{125}, E. L. Turner

^{126}, T. Uchida

^{127}, H. Uchiyama

^{128}, K. Umetsu

^{129}, F. Uraguchi

^{130}, Y. Urata

^{131}, T. Usuda

^{132}, Y. Utsumi

^{133}, S. -Y. Wang

^{134}, W. -H. Wang

^{135}, K. C. Wong

^{136}, K. Yabe

^{137}, Y. Yamada

^{138}, H. Yamanoi

^{139}, N. Yasuda

^{140}, S. Yeh

^{141}, A. Yonehara

^{142}, S. Yuma

^{143}

**Affiliations:**

^{1}HSC Collaboration,

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Hyper Suprime-Cam (HSC) is a wide-field imaging camera on the prime focus of the 8.2m Subaru telescope on the summit of Maunakea. A team of scientists from Japan, Taiwan and Princeton University is using HSC to carry out a 300-night multi-band imaging survey of the high-latitude sky. Read More

**Authors:**Wesley C. Fraser, Michele t. Bannister, Rosemary E. Pike, Michael Marsset, Megan E. Schwamb, J. J. Kavelaars, Pedro Lacerda, David Nesvornyy, Kathryn Volk, audrey Delsanti, Susan Benecchi, Matthew J. Lehner, Keith Noll, Brett Gladman, Jean-Marc Petit, Stephen Gwyn, Ying-tung Chen, Shiang-Yu Wang, Mike Alexandersen, Todd Burdullis, Scott Sheppard, Chad Trujillo

**Category:**Earth and Planetary Astrophysics

The cold classical Kuiper belt objects have low inclinations and eccentricities and are the only Kuiper belt population suspected to have formed in situ. Compared with the dynamically excited populations, which exhibit a broad range of colours and a low binary fraction of ~10% cold classical Kuiper belt objects typically have red optical colours with ~30% of the population found in binary pairs; the origin of these differences remains unclear. We report the detection of a population of blue-coloured, tenuously bound binaries residing among the cold classical Kuiper belt objects. Read More

**Authors:**Takatoshi Shibuya, Masami Ouchi, Yuichi Harikane, Michael Rauch, Yoshiaki Ono, Shiro Mukae, Ryo Higuchi, Takashi Kojima, Suraphong Yuma, Chien-Hsiu Lee, Hisanori Furusawa, Akira Konno, Crystal L. Martin, Kazuhiro Shimasaku, Yoshiaki Taniguchi, Masakazu A. R. Kobayashi, Masaru Kajisawa, Tohru Nagao, Tomotsugu Goto, Nobunari Kashikawa, Yutaka Komiyama, Haruka Kusakabe, Rieko Momose, Kimihiko Nakajima, Masayuki Tanaka, Shiang-Yu Wang

We present Lya and UV-nebular emission line properties of bright Lya emitters (LAEs) at z=6-7 with a luminosity of log L_Lya/[erg s-1] = 43-44 identified in the 21-deg2 area of the SILVERRUSH early sample developed with the Subaru Hyper Suprime-Cam (HSC) survey data. Our optical spectroscopy newly confirm 21 bright LAEs with clear Lya emission, and contribute to make a spectroscopic sample of 97 LAEs at z=6-7 in SILVERRUSH. From the spectroscopic sample, we select 7 remarkable LAEs as bright as Himiko and CR7 objects, and perform deep Keck/MOSFIRE and Subaru/nuMOIRCS near-infrared spectroscopy reaching the 3sigma-flux limit of ~ 2x10^{-18} erg s-1 for the UV-nebular emission lines of He II1640, C IV1548,1550, and O III]1661,1666. Read More

Many types of topological indices such as degree-based topological indices, distance-based topological indices and counting related topological indices are explored during past recent years. Among degree based topological indices, Zagreb indices are the oldest one and studied well. In the paper, we define a generalized multiplicative version of these indices and compute exact formulas for Polycyclic Aromatic Hydrocarbons and Jagged-Rectangle Benzenoid Systems. Read More

The recent progress and development of deep generative models have led to remark- able improvements in research topics in computer vision and machine learning. In this paper, we address the task of cross-domain feature disentanglement. We advance the idea of unsupervised domain adaptation and propose to perform joint feature disentanglement and adaptation. Read More

Nonsymmorphic symmetries, which involve fractional lattice translations in crystalline materials, can generate exotic types of fermionic excitations that are robust against spin-orbit coupling. Here we report on a hourglass-type dispersion in the bulk of three-dimensional rhenium dioxide crystals, as dictated by its nonsymmorphic symmetries. Due to time reversal and inversion symmetries, each band has an additional two-fold degeneracy, making the neck crossing-point of the hourglass four-fold degenerate. Read More

The Hyper Suprime-Cam Subaru Strategic Program (HSC-SSP) is currently the deepest wide- field survey in progress. The 8.2 m aperture of Subaru telescope is very powerful in detect- ing faint/small moving objects, including near-Earth objects, asteroids, centaurs and Tran- Neptunian objects (TNOs). Read More

In this paper we collect 19 hydrogen-deficient superluminous supernovae (SLSNe) and fit their light curves, temperature evolution, and velocity evolution based on the magnetar-powered model. To obtain the best-fitting parameters, we incorporate the Markov Chain Monte Carlo approach. We get rather good fits for 7 events ($\chi^2$/d. Read More

The extraction system of CSNS mainly consists of two kinds of magnets: eight kickers and one lambertson magnet. In this paper, firstly, the magnetic test results of the eight kickers were introduced and then the filed uniformity and magnetizing relationship of the kickers were given. Secondly, during the beam commissioning in the future, in order to obtain more accurate magnetizing relationship, a new method to measure the magnetizing coefficients of the kickers by the real extraction beam was given and the data analysis would also be processed. Read More

**Authors:**Fang Yan, Huiping Geng, Cai Meng, Yaliang Zhao, Huafu Ouyang, Shilun Pei, Rong Liu, Feisi He, Tongming Huang, Rui Ge, Yanfeng Sui, Qiang Ye, Xiaoping Jing, Fengli Long, Jungang Li, Quanling Peng, Dizhou Guo, Zusheng Zhou, Haiyin Lin, Xinpeng Ma, Qunyao Wang, Guangwei Wang, Hua Shi, Gang Wu, Shengchang Wang, Ningchuang Zhou, Qiang Ma, Zhenghui Mi, Peng Sha, Xinying Zhang, Yaoyao Du, Jun He, Huizhou Ma, Lingda Yu, Ying Zhao, Xiaoyan Zhao, Fang Liu, Yanhua Lu, Lin Bian, liangrui Sun, Rui Ye, Xiaohua Peng, Dayong He, Ouzheng Xiao, Yao Gao, Zhenghua Hou, Yuan Chen, Xiangchen Yang, Hongyan Zhu, Bo Li, Lan Dong, Heng Li, Xitong Sun, Linglang Dong, Ping Su, Jianping Dai, Jianli Wang, Shaopeng Li, Jianshe Cao, Yunlong Chi, Weimin Pan

**Category:**Physics - Accelerator Physics

The 10 MeV accelerator-driven subcritical system (ADS) Injector-I test stand at Institute of High Energy Physics (IHEP) is a testing facility dedicated to demonstrate one of the two injector design schemes [Injector Scheme-I, which works at 325 MHz], for the ADS project in China. The Injector adopted a four vane copper structure RFQ with output energy of 3.2 MeV and a superconducting (SC) section accommodating fourteen \b{eta}g=0. Read More

This paper concerns the initial-boundary value problem to 2D micropolar equations without angular viscosity in a smooth bounded domain. It is shown that such a system admits a unique and global weak solution. The main idea of this paper is to fully exploit the structure of this system and establish high order estimates via introducing an auxiliary field which is at the energy level of one order lower than micro-rotation. Read More

For a molecular graph, the first multiplicative Zagreb index $\Pi_1$ is equal to the product of the square of the degree of the vertices, while the second multiplicative Zagreb index $\Pi_2$ is equal to the product of the endvertex degree of each edge over all edges. Denote by $\mathbb{G}_{n,k}$ the set of graphs with $n$ vertices and $k$ cut edges. In this paper, we explore graphs in terms of a number of cut edges. Read More

This paper is devoted to the study of noncommutative maximal inequalities and ergodic theorems associated with doubling conditions. We first establish a noncommutative Calder\'{o}n transference principle for actions by amenable groups. Also we obtain the Hardy-Littlewood maximal inequality on doubling metric spaces for the operator-valued setting. Read More

The deformation evolution of giant dipole resonance (GDR), in the chains of Sm and Nd isotopes, are investigated in the framework of an extended quantum molecular dynamics (EQMD) model. The mass number dependence of resonance peak position $(E_{m})$ in the major and minor axis directions of deformed nuclei as well as the difference $\Delta E_{m}$ between them are described in detail. The correlation between the splitting ($\Delta E_{m} /\bar{E}_m $) of the GDR spectra and the deformation($ \beta_{2}$) is further studied. Read More

**Authors:**M. Ablikim, M. N. Achasov, X. C. Ai, O. Albayrak, M. Albrecht, D. J. Ambrose, A. Amoroso, F. F. An, Q. An, J. Z. Bai, R. Baldini Ferroli, Y. Ban, D. W. Bennett, J. V. Bennett, M. Bertani, D. Bettoni, J. M. Bian, F. Bianchi, E. Boger, I. Boyko, R. A. Briere, H. Cai, X. Cai, O. Cakir, A. Calcaterra, G. F. Cao, S. A. Cetin, J. F. Chang, G. Chelkov, G. Chen, H. S. Chen, H. Y. Chen, J. C. Chen, M. L. Chen, S. J. Chen, X. Chen, X. R. Chen, Y. B. Chen, H. P. Cheng, X. K. Chu, G. Cibinetto, H. L. Dai, J. P. Dai, A. Dbeyssi, D. Dedovich, Z. Y. Deng, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, Y. Ding, C. Dong, J. Dong, L. Y. Dong, M. Y. Dong, S. X. Du, P. F. Duan, E. E. Eren, J. Z. Fan, J. Fang, S. S. Fang, X. Fang, Y. Fang, L. Fava, F. Feldbauer, G. Felici, C. Q. Feng, E. Fioravanti, M. Fritsch, C. D. Fu, Q. Gao, X. Y. Gao, Y. Gao, Z. Gao, I. Garzia, C. Geng, K. Goetzen, W. X. Gong, W. Gradl, M. Greco, M. H. Gu, Y. T. Gu, Y. H. Guan, A. Q. Guo, L. B. Guo, Y. Guo, Y. P. Guo, Z. Haddadi, A. Hafner, S. Han, Y. L. Han, X. Q. Hao, F. A. Harris, K. L. He, Z. Y. He, T. Held, Y. K. Heng, Z. L. Hou, C. Hu, H. M. Hu, J. F. Hu, T. Hu, Y. Hu, G. M. Huang, G. S. Huang, H. P. Huang, J. S. Huang, X. T. Huang, Y. Huang, T. Hussain, Q. Ji, Q. P. Ji, X. B. Ji, X. L. Ji, L. L. Jiang, L. W. Jiang, X. S. Jiang, X. Y. Jiang, J. B. Jiao, Z. Jiao, D. P. Jin, S. Jin, T. Johansson, A. Julin, N. Kalantar-Nayestanaki, X. L. Kang, X. S. Kang, M. Kavatsyuk, B. C. Ke, P. Kiese, R. Kliemt, B. Kloss, O. B. Kolcu, B. Kopf, M. Kornicer, W. Kuehn, A. Kupsc, J. S. Lange, M. Lara, P. Larin, C. Leng, C. Li, C. H. Li, Cheng Li, D. M. Li, F. Li, G. Li, H. B. Li, J. C. Li, Jin Li, K. Li, K. Li, Lei Li, P. R. Li, T. Li, W. D. Li, W. G. Li, X. L. Li, X. M. Li, X. N. Li, X. Q. Li, Z. B. Li, H. Liang, Y. F. Liang, Y. T. Liang, G. R. Liao, D. X. Lin, B. J. Liu, C. X. Liu, F. H. Liu, Fang Liu, Feng Liu, H. B. Liu, H. H. Liu, H. H. Liu, H. M. Liu, J. Liu, J. B. Liu, J. P. Liu, J. Y. Liu, K. Liu, K. Y. Liu, L. D. Liu, P. L. Liu, Q. Liu, S. B. Liu, X. Liu, X. X. Liu, Y. B. Liu, Z. A. Liu, Zhiqiang Liu, Zhiqing Liu, H. Loehner, X. C. Lou, H. J. Lu, J. G. Lu, R. Q. Lu, Y. Lu, Y. P. Lu, C. L. Luo, M. X. Luo, T. Luo, X. L. Luo, M. Lv, X. R. Lyu, F. C. Ma, H. L. Ma, L. L. Ma, Q. M. Ma, T. Ma, X. N. Ma, X. Y. Ma, F. E. Maas, M. Maggiora, Y. J. Mao, Z. P. Mao, S. Marcello, J. G. Messchendorp, J. Min, T. J. Min, R. E. Mitchell, X. H. Mo, Y. J. Mo, C. Morales Morales, K. Moriya, N. Yu. Muchnoi, H. Muramatsu, Y. Nefedov, F. Nerling, I. B. Nikolaev, Z. Ning, S. Nisar, S. L. Niu, X. Y. Niu, S. L. Olsen, Q. Ouyang, S. Pacetti, P. Patteri, M. Pelizaeus, H. P. Peng, K. Peters, J. Pettersson, J. L. Ping, R. G. Ping, R. Poling, V. Prasad, Y. N. Pu, M. Qi, S. Qian, C. F. Qiao, L. Q. Qin, N. Qin, X. S. Qin, Y. Qin, Z. H. Qin, J. F. Qiu, K. H. Rashid, C. F. Redmer, H. L. Ren, M. Ripka, G. Rong, Ch. Rosner, X. D. Ruan, V. Santoro, A. Sarantsev, M. Savrié, K. Schoenning, S. Schumann, W. Shan, M. Shao, C. P. Shen, P. X. Shen, X. Y. Shen, H. Y. Sheng, W. M. Song, X. Y. Song, S. Sosio, S. Spataro, G. X. Sun, J. F. Sun, S. S. Sun, Y. J. Sun, Y. Z. Sun, Z. J. Sun, Z. T. Sun, C. J. Tang, X. Tang, I. Tapan, E. H. Thorndike, M. Tiemens, M. Ullrich, I. Uman, G. S. Varner, B. Wang, B. L. Wang, D. Wang, D. Y. Wang, K. Wang, L. L. Wang, L. S. Wang, M. Wang, P. Wang, P. L. Wang, S. G. Wang, W. Wang, X. F. Wang, Y. D. Wang, Y. F. Wang, Y. Q. Wang, Z. Wang, Z. G. Wang, Z. H. Wang, Z. Y. Wang, T. Weber, D. H. Wei, J. B. Wei, P. Weidenkaff, S. P. Wen, U. Wiedner, M. Wolke, L. H. Wu, Z. Wu, L. G. Xia, Y. Xia, D. Xiao, H. Xiao, Z. J. Xiao, Y. G. Xie, Q. L. Xiu, G. F. Xu, L. Xu, Q. J. Xu, Q. N. Xu, X. P. Xu, L. Yan, W. B. Yan, W. C. Yan, Y. H. Yan, H. J. Yang, H. X. Yang, L. Yang, Y. Yang, Y. X. Yang, H. Ye, M. Ye, M. H. Ye, J. H. Yin, B. X. Yu, C. X. Yu, H. W. Yu, J. S. Yu, C. Z. Yuan, W. L. Yuan, Y. Yuan, A. Yuncu, A. A. Zafar, A. Zallo, Y. Zeng, B. X. Zhang, B. Y. Zhang, C. Zhang, C. C. Zhang, D. H. Zhang, H. H. Zhang, H. Y. Zhang, J. J. Zhang, J. L. Zhang, J. Q. Zhang, J. W. Zhang, J. Y. Zhang, J. Z. Zhang, K. Zhang, L. Zhang, S. H. Zhang, X. Y. Zhang, Y. Zhang, Y. N. Zhang, Y. H. Zhang, Y. T. Zhang, Yu Zhang, Z. H. Zhang, Z. P. Zhang, Z. Y. Zhang, G. Zhao, J. W. Zhao, J. Y. Zhao, J. Z. Zhao, Lei Zhao, Ling Zhao, M. G. Zhao, Q. Zhao, Q. W. Zhao, S. J. Zhao, T. C. Zhao, Y. B. Zhao, Z. G. Zhao, A. Zhemchugov, B. Zheng, J. P. Zheng, W. J. Zheng, Y. H. Zheng, B. Zhong, L. Zhou, Li Zhou, X. Zhou, X. K. Zhou, X. R. Zhou, X. Y. Zhou, K. Zhu, K. J. Zhu, S. Zhu, X. L. Zhu, Y. C. Zhu, Y. S. Zhu, Z. A. Zhu, J. Zhuang, L. Zotti, B. S. Zou, J. H. Zou

**Category:**High Energy Physics - Experiment

Using a data set of 2.93 fb$^{-1}$ taken at a center-of-mass energy $\sqrt{s}$ = 3.773 GeV with the BESIII detector at the BEPCII collider, we perform a search for an extra U(1) gauge boson, also denoted as a dark photon. Read More

We report identification of the optical counterpart to the companion of the millisecond pulsar J2317+1439. At the timing position of the pulsar, we find an object with $g=22.96\pm0. Read More

The missing hole packets near the Brillouin zone center render unique electronic structures to the heavily electron doped FeSe-based superconductors with Tc above 40 K. It challenges the existing scenario accounting for the nature of superconductivity in the iron-based family. Yet, one hurdle that has to be overcome is the materials complexity in the rather limited number of compounds. Read More

We prove that, for all positive integers $n_1, \ldots, n_m$, $n_{m+1}=n_1$, and non-negative integers $j$ and $r$ with $j\leqslant m$, the following two expressions \begin{align*} &\frac{1}{[n_1+n_m+1]}{n_1+n_{m}\brack n_1}^{-1}\sum_{k=0}^{n_1} q^{j(k^2+k)-(2r+1)k}[2k+1]^{2r+1}\prod_{i=1}^m {n_i+n_{i+1}+1\brack n_i-k},\\[5pt] &\frac{1}{[n_1+n_m+1]}{n_1+n_{m}\brack n_1}^{-1}\sum_{k=0}^{n_1}(-1)^k q^{{k\choose 2}+j(k^2+k)-2rk}[2k+1]^{2r+1}\prod_{i=1}^m {n_i+n_{i+1}+1\brack n_i-k} \end{align*} are Laurent polynomials in $q$ with integer coefficients, where $[n]=1+q+\cdots+q^{n-1}$ and ${n\brack k}=\prod_{i=1}^k(1-q^{n-i+1})/(1-q^i)$. This gives a $q$-analogue of some divisibility results of sums and alternating sums involving binomial coefficients and powers of integers obtained by Guo and Zeng. We also confirm some related conjectures of Guo and Zeng by establishing their $q$-analogues. Read More

Predicting large-scale transportation network traffic has become an important and challenging topic in recent decades. Inspired by the domain knowledge of motion prediction, in which the future motion of an object can be predicted based on previous scenes, we propose a network grid representation method that can retain the fine-scale structure of a transportation network. Network-wide traffic speeds are converted into a series of static images and input into a novel deep architecture, namely, spatiotemporal recurrent convolutional networks (SRCNs), for traffic forecasting. Read More

**Affiliations:**

^{1}Peking U.,

^{2}Peking U.,

^{3}FIAS,

^{4}Rostock U.

The Bose-Einstein condensation of $\alpha$ partciles in the multicomponent environment of dilute, warm nuclear matter is studied. We consider the cases of matter composed of light clusters with mass numbers $A\leq 4$ and matter that in addition these clusters contains $\isotope[56]{Fe}$ nuclei. We apply the quasiparticle gas model which treats clusters as bound states with infinite life-time and binding energies independent of temperature and density. Read More

**Affiliations:**

^{1}Angela,

^{2}Angela,

^{3}Angela

**Category:**

The rapid emergence of electric vehicles (EVs) demands an advanced infrastructure of publicly accessible charging stations that provide efficient charging services. In this paper, we propose a new charging station operation mechanism, the JoAP, which jointly optimizes the EV admission control, pricing, and charging scheduling to maximize the charging station's profit. More specifically, by introducing a tandem queueing network model, we analytically characterize the average charging station profit as a function of the admission control and pricing policies. Read More

Nodal loop appears when two bands, typically one electron-like and one hole-like, are crossing each other linearly along a one-dimensional manifold in the reciprocal space. Here we propose a new type of nodal loop which emerges from crossing between two bands which are both electron-like (or hole-like) along certain direction. Close to any point on such loop (dubbed as a type-II nodal loop), the linear spectrum is strongly tilted and tipped over along one transverse direction, leading to marked differences in magnetic, optical, and transport responses compared with the conventional (type-I) nodal loops. Read More

**Authors:**Wei Wang, Yu Li, Xiangyuan Wang, Yang Liu, Yanping Lv, Shufeng Wang, Kai Wang, Yantao Shi, Lixin Xiao, Zhijian Chen, Qihuang Gong

For highly interested organolead perovskite based solar cells, the photoproducts are regarded as the co-existed exciton and free carriers. In this study, we carefully re-examined this conclusion with our recently developed density-resolved spectroscopic method. Heat-annealing related two photoproduct systems are observed. Read More

**Authors:**Akira Konno, Masami Ouchi, Takatoshi Shibuya, Yoshiaki Ono, Kazuhiro Shimasaku, Yoshiaki Taniguchi, Tohru Nagao, Masakazu A. R. Kobayashi, Masaru Kajisawa, Nubunari Kashikawa, Akio K. Inoue, Masamune Oguri, Hisanori Furusawa, Tomotsugu Goto, Yuichi Harikane, Ryo Higuchi, Yutaka Komiyama, Haruka Kusakabe, Satoshi Miyazaki, Kimihiko Nakajima, Shiang-Yu Wang

**Category:**Astrophysics of Galaxies

We present the Ly$\alpha$ luminosity functions (LFs) at $z=$5.7 and 6.6 derived from a new large sample of 2,354 Ly$\alpha$ emitters (LAEs) identified in total areas of 14 and 21 deg$^2$, respectively, based on the early narrowband data of the Subaru/Hyper Suprime-Cam (HSC) survey. Read More

**Authors:**X. -X. Yuan, L. He, S. -T. Wang, D. -L. Deng, F. Wang, W. -Q. Lian, X. Wang, C. -H. Zhang, H. -L. Zhang, X. -Y. Chang, L. -M. Duan

Hopf insulators are intriguing three-dimensional topological insulators characterized by an integer topological invariant. They originate from the mathematical theory of Hopf fibration and epitomize the deep connection between knot theory and topological phases of matter, which distinguishes them from other classes of topological insulators. Here, we implement a model Hamiltonian for Hopf insulators in a solid-state quantum simulator and report the first experimental observation of their topological properties, including fascinating topological links associated with the Hopf fibration and the integer-valued topological invariant obtained from a direct tomographic measurement. Read More

We present a visible multi-band photometry of trans-Neptunian objects (TNOs) observed by the Subaru Telescope in the framework of Hyper Suprime-Cam Subaru Strategic Program (HSC-SSP) from March in 2014 to September in 2016. We measured the five broad-band (g, r, i, z, and Y) colors over the wavelength range from 0.4 um to 1. Read More

For a (molecular) graph, the first multiplicative Zagreb index $\prod_1(G) $ is the product of the square of every vertex degree, and the second multiplicative Zagreb index $\prod_2(G) $ is the product of the products of degrees of pairs of adjacent vertices. In this paper, we explore graphs in terms of (edge) connectivity. The maximum and minimum values of $\prod_1(G) $ and $\prod_2(G) $ of graphs with connectivity at most $k$ are provided. Read More

We show that if the entropy of any closed hypersurface is close to that of a round hyper-sphere, then it is close to a round sphere in Hausdorff distance. Generalizing the result of \cite{BW1} to higher dimensions. Read More

**Authors:**Takatoshi Shibuya, Masami Ouchi, Akira Konno, Ryo Higuchi, Yuichi Harikane, Yoshiaki Ono, Kazuhiro Shimasaku, Yoshiaki Taniguchi, Masakazu A. R. Kobayashi, Masaru Kajisawa, Tohru Nagao, Hisanori Furusawa, Tomotsugu Goto, Nobunari Kashikawa, Yutaka Komiyama, Haruka Kusakabe, Chien-Hsiu Lee, Rieko Momose, Kimihiko Nakajima, Masayuki Tanaka, Shiang-Yu Wang, Suraphong Yuma

We present an unprecedentedly large catalog consisting of 2,354 >~ L^* Lya emitters (LAEs) at z=5.7 and 6.6 on the 13. Read More

This paper provides an overview of the on-going compact descriptors for video analysis standard (CDVA) from the ISO/IEC moving pictures experts group (MPEG). MPEG-CDVA targets at defining a standardized bitstream syntax to enable interoperability in the context of video analysis applications. During the developments of MPEGCDVA, a series of techniques aiming to reduce the descriptor size and improve the video representation ability have been proposed. Read More

Computational prediction of membrane protein (MP) structures is very challenging partially due to lack of sufficient solved structures for homology modeling. Recently direct evolutionary coupling analysis (DCA) sheds some light on protein contact prediction and accordingly, contact-assisted folding, but DCA is effective only on some very large-sized families since it uses information only in a single protein family. This paper presents a deep transfer learning method that can significantly improve MP contact prediction by learning contact patterns and complex sequence-contact relationship from thousands of non-membrane proteins (non-MPs). Read More

**Authors:**Masami Ouchi, Yuichi Harikane, Takatoshi Shibuya, Kazuhiro Shimasaku, Yoshiaki Taniguchi, Akira Konno, Masakazu Kobayashi, Masaru Kajisawa, Tohru Nagao, Yoshiaki Ono, Akio K. Inoue, Masayuki Umemura, Masao Mori, Kenji Hasegawa, Ryo Higuchi, Yutaka Komiyama, Yuichi Matsuda, Kimihiko Nakajima, Tomoki Saito, Shiang-Yu Wang

We present the SILVERRUSH program strategy and clustering properties investigated with $2,354$ Ly$\alpha$ emitters at $z=5.7$ and $6.6$ found in the early data of the Hyper Suprime-Cam (HSC) Subaru Strategic Program survey exploiting the carefully designed narrowband filters. Read More

Our goal is to create a convenient natural language interface for performing well-specified but complex actions such as analyzing data, manipulating text, and querying databases. However, existing natural language interfaces for such tasks are quite primitive compared to the power one wields with a programming language. To bridge this gap, we start with a core programming language and allow users to "naturalize" the core language incrementally by defining alternative, more natural syntax and increasingly complex concepts in terms of compositions of simpler ones. Read More

**Authors:**Yoshiaki Ono, Masami Ouchi, Yuichi Harikane, Jun Toshikawa, Michael Rauch, Suraphong Yuma, Marcin Sawicki, Takatoshi Shibuya, Kazuhiro Shimasaku, Masamune Oguri, Chris Willott, Mohammad Akhlaghi, Masayuki Akiyama, Jean Coupon, Nobunari Kashikawa, Yutaka Komiyama, Akira Konno, Lihwai Lin, Yoshiki Matsuoka, Satoshi Miyazaki, Tohru Nagao, Kimihiko Nakajima, John Silverman, Masayuki Tanaka, Shiang-Yu Wang

**Category:**Astrophysics of Galaxies

We study the UV luminosity functions (LFs) at $z\sim 4$, $5$, $6,$ and $7$ based on the deep large-area optical images taken by the Hyper Suprime-Cam (HSC) Subaru strategic program (SSP). On the 100 deg$^2$ sky of the HSC SSP data available to date, we make enormous samples consisting of a total of 579,555 dropout candidates at $z\sim 4-7$ by the standard color selection technique, 348 out of which are spectroscopically confirmed by our follow-up spectroscopy and the other studies. We obtain the UV LFs at $z \sim 4-7$ that span a very wide UV luminosity range of $\sim 0. Read More

The machine learning techniques are widely applied in many modern optical sky surveys, i.e. Pan-STARRS1, PTF/iPTF and Subaru/Hyper Suprime-Cam survey, to reduce the human intervention for data verification. Read More

**Authors:**Hisakazu Uchiyama

^{1}, Jun Toshikawa

^{2}, Nobunari Kashikawa

^{3}, Roderik Overzier

^{4}, Yi-Kuan Chiang

^{5}, Masayuki Tanaka

^{6}, Yuu Niino

^{7}, Shogo Ishikawa

^{8}, Masafusa Onoue

^{9}, Kohei Ichikawa

^{10}, Masayuki Akiyama

^{11}, Jean Coupon

^{12}, Yuichi Harikane

^{13}, Masatoshi Imanishi

^{14}, Tadayuki Kodama

^{15}, Yutaka Komiyama

^{16}, Chien-Hsiu Lee

^{17}, Yen-Ting Lin

^{18}, Satoshi Miyazaki

^{19}, Tohru Nagao

^{20}, Atushi J. Nishizawa

^{21}, Yoshiaki Ono

^{22}, Masami Ouchi

^{23}, Michael Strauss

^{24}, Shiang-Yu Wang

^{25}

**Affiliations:**

^{1}SOKENDAI, Japan,

^{2}NAOJ, Japan,

^{3}SOKENDAI, Japan,

^{4}Observatorio Nacional, Brazil,

^{5}Johns Hopkins University, USA,

^{6}NAOJ, Japan,

^{7}NAOJ, Japan,

^{8}SOKENDAI, Japan,

^{9}SOKENDAI, Japan,

^{10}NAOJ, Japan,

^{11}Tohoku University, Japan,

^{12}University of Geneva, Switzerland,

^{13}Institute for Cosmic Ray Research, The University of Tokyo, Japan,

^{14}SOKENDAI, Japan,

^{15}SOKENDAI, Japan,

^{16}SOKENDAI, Japan,

^{17}NAOJ, USA,

^{18}ASSIA, Taiwan,

^{19}SOKENDAI, Japan,

^{20}Ehime University, Japan,

^{21}Nagoya University, Japan,

^{22}Institute for Cosmic Ray Research, The University of Tokyo, Japan,

^{23}Institute for Cosmic Ray Research, The University of Tokyo, Japan,

^{24}Princeton University, USA,

^{25}ASSIA, Taiwan

**Category:**Astrophysics of Galaxies

We present the cross-correlation between 151 luminous quasars ($M_{ \mathrm{UV}} < -26$) and 179 protocluster candidates at $z \sim 3.8$, extracted from the Wide imaging survey ($ \sim 121~ $deg$^2$) performed with a part of the Hyper Suprime-Cam Subaru Strategic Program (HSC-SSP). We find that only two out of 151 quasars reside in regions that are more overdense compared to the average field at $ > 4 \sigma $. Read More

We present the results from a search for new Milky Way (MW) satellites from the first two years of data from the Hyper Suprime-Cam (HSC) Subaru Strategic Program (SSP) $\sim 300$~deg$^2$ and report the discovery of an ultra-faint dwarf galaxy in Cetus. This is the second ultra-faint dwarf we have discovered after Virgo~I reported in our previous paper. This new satellite, Cetus~III, has been identified as a statistically significant (10. Read More

This paper is devoted to present two counterexamples to the theorem from \cite{MK} Maria R., Katherine T. M. Read More

For machines to interact with the physical world, they must understand the physical properties of objects and materials they encounter. We use fabrics as an example of a deformable material with a rich set of mechanical properties. A thin flexible fabric, when draped, tends to look different from a heavy stiff fabric. Read More

We proposed a novel and simple multilayer structure to realize the deterministic switching of perpendicularly magnetized layers (Co in our work) by spin orbital torque from the spin Hall Effect in this paper. A pinned layer is introduced, antiferromagnetically coupled to the magnetic Co layer. We have confirmed the deterministic switching of perpendicularly magnetized layers from perspectives of switching loops, trajectories and switching properties under periodic spin currents through micromagnetic simulation. Read More

The newly detected TRAPPIST-1 system, with seven low-mass, roughly Earth-sized planets transiting a nearby ultra-cool dwarf, is one of the most important exoplanet discoveries to date. The short baseline of the available discovery observations, however, means that the planetary masses (obtained through measurement of transit timing variations of the planets of the system) are not yet well constrained. The masses reported in the discovery paper were derived using a combination of photometric timing measurements obtained from the ground and from the Spitzer spacecraft, and have uncertainties ranging from 30\% to nearly 100\%, with the mass of the outermost, $P=18. Read More

We test whether distributional models can do one-shot learning of definitional properties from text only. Using Bayesian models, we find that first learning overarching structure in the known data, regularities in textual contexts and in properties, helps one-shot learning, and that individual context items can be highly informative. Read More

The STAR experiment at RHIC is planning to upgrade the Time Projection Chamber which lies at the heart of the detector. We have designed an instrument to measure the tension of the wires in the multi-wire proportional chambers (MWPCs) which will be used in the TPC upgrade. The wire tension measurement system causes the wires to vibrate and then it measures the fundamental frequency of the oscillation via a laser based optical platform. Read More

GPS enables mobile devices to continuously provide new opportunities to improve our daily lives. For example, the data collected in applications created by Uber or Public Transport Authorities can be used to plan transportation routes, estimate capacities, and proactively identify low coverage areas. In this paper, we study a new kind of query-Reverse k Nearest Neighbor Search over Trajectories (RkNNT), which can be used for route planning and capacity estimation. Read More

In the parallel calibration for transmitting phased arrays, the calibration receiver must separate the signals belonging to different antenna elements to avoid mutual interference. Existing algorithms encode different antenna elements' radiation with orthogonal signature codes, but these algorithms are far from desired for large-scale spaceborne antenna arrays. Considering the strictly limited resources on satellites, to improve hardware efficiency of large-scale spaceborne antenna arrays, in this paper based on non-orthogonal multiple access (NOMA) we design a series of non-orthogonal signature codes for different antenna elements by Cyclically Shifting an m-Sequence (CSmS) with different offsets named as CSmS-NOMA signaling. Read More

**Authors:**Wencan Jin, Suresh Vishwanath, Jianpeng Liu, Lingyuan Kong, Rui Lou, Zhongwei Dai, Jerzy T. Sadowski, Xinyu Liu, Huai-Hsun Lien, Alexander Chaney, Yimo Han, Micheal Cao, Junzhang Ma, Tian Qian, Jerry I. Dadap, Shancai Wang, Malgorzata Dobrowolska, Jacek Furdyna, David A. Muller, Karsten Pohl, Hong Ding, Huili Grace Xing, Richard M. Osgood, Jr

**Category:**Physics - Materials Science

Topological crystalline insulators have been recently predicted and observed in rock-salt structure SnSe $\{111\}$ thin films. Previous studies have suggested that the Se-terminated surface of this thin film with hydrogen passivation, has a reduced surface energy and is thus a preferred configuration. In this paper, synchrotron-based angle-resolved photoemission spectroscopy, along with density functional theory calculations, are used to demonstrate conclusively that a rock-salt SnSe $\{111\}$ thin film epitaxially-grown on \ce{Bi2Se3} has a stable Sn-terminated surface. Read More

Phase limitations of both continuous-time and discrete-time Zames-Falb multipliers and their relation with the Kalman conjecture are analysed. A phase limitation for continuous-time multipliers given by Megretski is generalised and its applicability is clarified; its relation to the Kalman conjecture is illustrated with a classical example from the literature. It is demonstrated that there exist fourth-order plants where the existence of a suitable Zames-Falb multiplier can be discarded and for which simulations show unstable behavior. Read More

Person re-identification is generally divided into two part: first how to represent a pedestrian by discriminative visual descriptors and second how to compare them by suitable distance metrics. Conventional methods isolate these two parts, the first part usually unsupervised and the second part supervised. The Bag-of-Words (BoW) model is a widely used image representing descriptor in part one. Read More