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Relevant bibliographies by topics / Polygonal space vector structures

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Academic literature on the topic 'Polygonal space vector structures'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "Polygonal space vector structures"

1

Yan, Shiyao, Zequn Zhang, Xian Sun, et al. "PolygonE: Modeling N-ary Relational Data as Gyro-Polygons in Hyperbolic Space." Proceedings of the AAAI Conference on Artificial Intelligence 36, no. 4 (2022): 4308–17. http://dx.doi.org/10.1609/aaai.v36i4.20351.

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N-ary relational knowledge base (KBs) embedding aims to map binary and beyond-binary facts into low-dimensional vector space simultaneously. Existing approaches typically decompose n-ary relational facts into subtuples (entity pairs, triples or quintuples, etc.), and they generally model n-ary relational KBs in Euclidean space. However, n-ary relational facts are semantically and structurally intact, decomposition leads to the loss of global information and undermines the semantical and structural integrity. Moreover, compared to the binary relational KBs, n-ary ones are characterized by more

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2

Szczygieł, Jacek, and Maciej J. Mendecki. "Preliminary results of fractal analysis of the poligonal survey from cave: case study of Małołączniak area (Tatra Mts.)." Contemporary Trends in Geoscience 2, no. 1 (2013): 95–100. http://dx.doi.org/10.2478/ctg-2014-0014.

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Abstract Traverses (polygons) from two caves have been tested: Wielka Śnieżna Cave System (2858 vectors) and Śnieżna Studnia cave (742). The box counting technique was applied to evaluate the fractal analysis of spatial orientation of traverses. The polygonal survey of Wielka Śnieżna Cave, Śnieżna Studnia and both caves merged together have a fractal geometry. It may be concluded that these caves are close to the full recognition of passages forming by a hydrological system and they could have close relation with geological structures. The usual explanation of fractal dimension D higher than 1

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CHETVERIKOV, B., O. KHINTSITSKY, and I. KALYNYCH. "Methodology of mapping of historical and cultural heritage objects by GIS technologies using archival cartographic and aerial materials." Modern achievements of geodesic science and industry 41, no. I (2021): 97–103. http://dx.doi.org/10.33841/1819-1339-1-41-97-103.

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Aim. The purpose of the work is to process archival cartographic materials and remote sensing data for the interpretation of objects of historical and cultural heritage (OHCH) of Cherkasy, including those that have not been preserved. Method. One of the possible technological schemes for research is offered. According to her, the first step was to analyze the input data of the study, among which were: a map of Cherkasy in 1895 at a scale of 1:42000; German aerial image of 1944; a fragment of a space image of Cherkasy obtained from the GeoEye-1 satellite in 2018. Geometric correction of the inp

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Nagae, Sadahiko, and Chiaki Ohta. "Algorithm for Automatic Generation of Boundary Lines." Journal of Robotics and Mechatronics 2, no. 1 (1990): 59–65. http://dx.doi.org/10.20965/jrm.1990.p0059.

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It may be supposed that the development of an algorithm capable of automatically generating boundary lines among parts for designing IC diagrams and automatic recognition of intervals among parts as well as mapping is widely desired in different industrial sectors. The most basic, effective solution conceivable will be image analysis using an ITV camera. The authors, however, tried to develop an algorithm capable of automatically generating boundary lines which would not interfere with one another using a great number of profiles comprising, in principle, polygons based on vector input data. I

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5

Watson, Layne T., and C. Y. Wang. "Large deformations of rotating polygonal space structures." Computers & Mathematics with Applications 22, no. 9 (1991): 51–59. http://dx.doi.org/10.1016/0898-1221(91)90206-j.

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6

MILLETT, KENNETH C., MICHAEL PIATEK, and ERIC J. RAWDON. "POLYGONAL KNOT SPACE NEAR ROPELENGTH-MINIMIZED KNOTS." Journal of Knot Theory and Its Ramifications 17, no. 05 (2008): 601–31. http://dx.doi.org/10.1142/s0218216508006282.

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For a polygonal knot K, it is shown that a tube of radius R(K), the polygonal thickness radius, is an embedded torus. Given a thick configuration K, perturbations of size r < R(K) define satellite structures, or local knotting. We explore knotting within these tubes both theoretically and numerically. We provide bounds on perturbation radii for which one can obtain small trefoil and figure-eight summands and use Monte Carlo simulations to estimate the relative probabilities of these structures as a function of the number of edges.

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Kuang, Wenhui, Shu Zhang, Xiaoyong Li, and Dengsheng Lu. "A 30 m resolution dataset of China's urban impervious surface area and green space, 2000–2018." Earth System Science Data 13, no. 1 (2021): 63–82. http://dx.doi.org/10.5194/essd-13-63-2021.

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Abstract. Accurate and timely maps of urban underlying land properties at the national scale are of significance in improving habitat environment and achieving sustainable development goals. Urban impervious surface (UIS) and urban green space (UGS) are two core components for characterizing urban underlying environments. However, the UIS and UGS are often mosaicked in the urban landscape with complex structures and composites. The “hard classification” or binary single type cannot be used effectively to delineate spatially explicit urban land surface property. Although six mainstream datasets

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Smith, Philip, and Eleni Panagiotou. "The second Vassiliev measure of uniform random walks and polygons in confined space." Journal of Physics A: Mathematical and Theoretical 55, no. 9 (2022): 095601. http://dx.doi.org/10.1088/1751-8121/ac4abf.

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Abstract Biopolymers, like chromatin, are often confined in small volumes. Confinement has a great effect on polymer conformations, including polymer entanglement. Polymer chains and other filamentous structures can be represented by polygonal curves in three-space. In this manuscript, we examine the topological complexity of polygonal chains in three-space and in confinement as a function of their length. We model polygonal chains by equilateral random walks in three-space and by uniform random walks (URWs) in confinement. For the topological characterization, we use the second Vassiliev meas

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9

Lakshminarayanan, Sanjay, R. S. Kanchan, P. N. Tekwani, and K. Gopakumar. "Multilevel inverter with 12-sided polygonal voltage space vector locations for induction motor drive." IEE Proceedings - Electric Power Applications 153, no. 3 (2006): 411. http://dx.doi.org/10.1049/ip-epa:20050444.

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Lakshminarayanan, S., G. Mondal, K. Gopakumar, N. S. Dinesh, and S. Figarado. "Eighteen-sided polygonal voltage space-vector-based PWM control for an induction motor drive." IET Electric Power Applications 2, no. 1 (2008): 56–63. http://dx.doi.org/10.1049/iet-epa:20070269.

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