18,682 research outputs found
Telema oculata Tong & Li 2008
No full textTelema oculata Tong & Li, 2008 T. oculata Tong & Li, 2008 a: 369, f. 5 A–F. (Female holotype, 4 female paratypes from China: Guizhou: Guojiafen Cave, Xiasi Town [25 º 29 ʹN, 107 º 27 ʹE], Dushan County, 24 May. 2005, Y.F. Tong and Y.C. Lin leg., deposited in IZCAS and Muséum National d’Histoire Naturelle, Paris, examined). Material examined. Paratypes: 3 females (IZCAS) from CHINA: Guizhou: Guojiafen Cave, Daheizhai Village, Xiasi Town, Dushan County [25 º 29 ΄N, 107 º 27 ΄E], 24 May 2005, Y.F. Tong and Y.C. Lin leg.; 3 females (IZCAS), Liangshuijing Cave, Bajing Village, Xiasi Town, Dushan County, Guizhou, 21 May 2005, Y.F. Tong and Y.C. Lin leg. Diagnosis. Telema oculata seems closest to T. auricoma. The former may be easily distinguished by the lack of beautifully golden setae on somatic surface, the cordiform sternum and the distally swollen, proximally reflexed spermatheca (Tong & Li, 2008 a, fig. 5 A, B and C). Description. See Tong and Li (2008 a). Male. Unknown. Distribution. China (Guizhou) (Fig. 20).Published as part of Lin, Yucheng & Li, Shuqiang, 2010, Long-legged cave spiders (Araneae, Telemidae) from Yunnan-Guizhou Plateau, southwestern China, pp. 1-34 in Zootaxa 2445 on page 15, DOI: 10.5281/zenodo.19503
Lehtinenia Tong & Li 2008
No full textGenus Lehtinenia Tong & Li, 2008 Type species. Lehtinenia bicornis Tong & Li, 2008: 90.Published as part of Lin, Yucheng & Li, Shuqiang, 2010, New armored spiders of the family Tetrablemmidae from China, pp. 18-32 in Zootaxa 2440 (1) on page 21, DOI: 10.11646/zootaxa.2440.1.2, http://zenodo.org/record/530731
Sinamma Lin & Li 2014
No full textGenus Sinamma Lin & Li, 2014 Type species: Sinamma oxycera Lin & Li, 2014 Diagnosis. See Lin & Li 2014. Composition. Sinamma oxycera Lin & Li, 2014, Sinamma quadrata sp. nov. and Sinamma yingae sp. nov. Distribution. China (Guangdong, Guangxi).Published as part of Cheng, Weihua, Ren, Lingshu, Tong, Yanfeng, Bian, Dongju & Li, Shuqiang, 2022, Two new species of the spider genus Sinamma Lin & Li, 2014 (Araneae, Tetrablemmidae) from Guangdong Province, China, pp. 443-454 in Zootaxa 5091 (3) on page 444, DOI: 10.11646/zootaxa.5091.3.4, http://zenodo.org/record/584830
FIGURES 5–9 in Monopelopia Fittkau, 1962, a newly recorded genus from Oriental China (Diptera Chironomidae) with a description of Monopelopia zhengi Lin sp. n.
No full textFIGURES 5–9. Monopelopia zhengi Lin sp. n., holotype male. 5. Tibial spur of fore leg; 6. Tibial spurs of mid leg; 7. Tibial spurs of hind leg; 8. Hypopygium; 9. Drawing of hypopygium. Scale bar = 50 µm.Published as part of Duan, Xin, Chang, Tong, Jiao, Ke-Long, Wang, Xin-Hua & Lin, Xiao-Long, 2021, Monopelopia Fittkau, 1962, a newly recorded genus from Oriental China (Diptera Chironomidae) with a description of Monopelopia zhengi Lin sp. n., pp. 383-388 in Zootaxa 4980 (2) on page 386, DOI: 10.11646/zootaxa.4980.2.9, http://zenodo.org/record/488928
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Quantum Eigenstate Filtering and Its Applications
No full textRecent years have seen rapid progress in the field of quantum algorithms for linear algebra problems. These algorithms can solve important problems in quantum chemistry, condensed matter physics, and quantum field theory simulation, with potentially exponential speedup compared to classical algorithms. The progress is in part due to the development of new methods to implement matrix functions on a quantum computer. Examples include the linear combination of unitaries (LCU) method, quantum signal processing (QSP), and quantum singular value transformation (QSVT), which is closely related to QSP. Using these methods, one can construct matrix functions to filter out unwanted eigenstates of a given Hermitian matrix, and thereby obtain a target eigenstate on a quantum computer. This technique we call quantum eigenstate filtering.We focus our attention on two specific problems: ground state preparation and energy estimation, and solving linear systems. For the ground state preparation problem, we want to prepare the ground state, i.e., the lowest eigenstate of the Hamiltonian , while for ground state energy estimation, we want to estimate the ground state energy, i.e., the the lowest eigenvalue of the Hamiltonian . The ground state energy estimation problem is cannot be solved in polynomial time even on a quantum computer in the worst case. However, this problem becomes tractable with additional assumptions, which may be satisfied in many real-world applications. In this work we assume access to a good initial guess of the ground state, such that its overlap with the ground state is lower bounded by a parameter . Under this assumption, we present quantum algorithms based on the quantum eigenstate filtering technique to estimate the ground state energy and to prepare the ground state, with nearly optimal scaling with respect to both and the precision.The above mentioned algorithms work in the setting where the quantum computers are fully fault-tolerant, i.e., the noise is sufficiently suppressed through quantum error correction. We also present an algorithm to estimate the ground state energy in the early fault-tolerant setting, in which the the algorithm is limited by the number of qubits available and the coherence time. In this setting our algorithm uses a simple circuit and lower circuit depth at the expense of longer runtime. However the algorithm can still achieve the optimal Heisenberg-limited precision scaling despite these restrictions.The quantum eigenstate filtering technique is also useful in solving the quantum linear system problem, in which we are asked to solve on a quantum computer. We show that the problem can be solved with a query complexity almost matching its lower bound by traversing the adiabatic path using quantum eigenstate filtering.Chapter 1 introduces the basic problem setup and provides an overview of the results in this paper. Chapter 2 presents the nearly optimal algorithms for ground state preparation and energy estimation. Chapter 3 discussed implementation on early fault-tolerant devices. Chapter 4 applies quantum eigenstate filtering to solve the quantum linear system problem. Chapters 2, 3, and 4 are based on [Lin, Tong, Quantum 4 (2020), p.~372], [Lin, Tong, PRX Quantum 3.1 (2022), p.~010318], [Lin, Tong, Quantum 4 (2020), p.~361] respectively, all of which are published under CC BY 4.0
Lin Chong ye ben.
No full text吳永剛著.Includes prefactory material.附: 關於林沖的故事 / 貽白 -- "林沖雪夜殲仇記"攝製後記 / 吳永剛.本電子書乃根據《香港版權條例(第528章)》而複製, 並只可在大學圖書館系統內的獨立電子書系統上使用.Wu Yonggang zhu.Ben dian zi shu nai gen ju "Xianggang ban quan tiao li (Di 528 zhang)" er fu zhi, bing zhi ke zai da xue tu shu guan xi tong nei de du li dian zi shu xi tong shang shi yong.Fu: Guang yu Lin Chong de gu shi / Yibai -- "Lin Chong xue ye jian chou ji" she zhi hou ji / Wu Yonggang
Supplementary material - Supplemental material for Synthesis, Characterization, and Antioxidant Activity of 8-Hydroxygenistein
No full textSupplemental material, Supplementary material, for Synthesis, Characterization, and Antioxidant Activity of 8-Hydroxygenistein by Jin Shao, Tong Zhao, Hui-Ping Ma, Zheng-Ping Jia and Lin-Lin Jing in Natural Product Communications</p
Un nouvel Apotomopterus du sud-ouest du Guizhou (Col., Carabidae)
No full textDeuve Thierry, Wu Tong-Lin, Tian Ming-Yi. Un nouvel Apotomopterus du sud-ouest du Guizhou (Col., Carabidae). In: Bulletin de la Société entomologique de France, volume 111 (2), juin 2006. p. 222
Un nouvel Apotomopterus du sud-ouest du Guizhou (Col., Carabidae)
No full textDeuve Thierry, Wu Tong-Lin, Tian Ming-Yi. Un nouvel Apotomopterus du sud-ouest du Guizhou (Col., Carabidae). In: Bulletin de la Société entomologique de France, volume 111 (2), juin 2006. p. 222
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