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pro vyhledávání: '"spherical polyhedron"'
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Autor:
Dessislava H. Kochloukova
We calculate the Bieri-Neumann-Strebel-Renz invariant $\Sigma^1(G)$ for even Artin groups $G$ with underlying graph $\Gamma$ such that if there is a closed reduced path in $\Gamma$ with all labels bigger than 2 then the length of such path is always
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d44aa132b190d920953229eae2392c09
http://arxiv.org/abs/2009.14269
http://arxiv.org/abs/2009.14269
Publikováno v:
IEEE Transactions on Electromagnetic Compatibility. 59:1285-1293
The shielding performance of novel spherical polyhedral structures illuminated by an electromagnetic plane wave is investigated. The spherical shield screens consist of a juxtaposition of wire conductors and planar metallic elements distributed accor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc27945121b1aa4de0305a0040bf7ea1
https://doi.org/10.1109/temc.2017.2670499
https://doi.org/10.1109/temc.2017.2670499
Publikováno v:
Чебышевский сборник. 17:132-140
We prove the completeness of the list of closed convex polyhedra in E 3 , that are strongly symmetric with respect to the rotation of the faces . Polyhedron is called symmetric if it has at least one non-trivial rotation axis. All axes intersect at a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1df1d7d9c91cf53ca03193cd3269a435
https://doi.org/10.22405/2226-8383-2016-17-4-132-140
https://doi.org/10.22405/2226-8383-2016-17-4-132-140
Autor:
Fumiko Ohtsuka, Jin-ichi Itoh
Publikováno v:
Topology and its Applications. 219:43-54
As a natural generalization of surfaces of Platonic solids, we define a class of polyhedra, called simple regular polyhedral BP-complexes, as a class of 2-dimensional polyhedral metric complexes satisfying certain conditions on their vertex sets, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::495f1d57c1369b99c739989ec3a81b9e
https://doi.org/10.1016/j.topol.2017.01.004
https://doi.org/10.1016/j.topol.2017.01.004
Autor:
Karl Wohlhart
Publikováno v:
Mechanism and Machine Theory. 108:142-159
The aim of the present paper is twofold. On the one hand, the paper will contribute to geometry with the introduction of a new type of polyhedra, and on the other hand the paper adds to kinematics with the synthesis of new linkages based on regular o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae081f3f1e3194eac04beed2a1ab473c
https://doi.org/10.1016/j.mechmachtheory.2016.10.014
https://doi.org/10.1016/j.mechmachtheory.2016.10.014
Publikováno v:
CVPR
Omni-directional cameras have many advantages overconventional cameras in that they have a much wider field-of-view (FOV). Accordingly, several approaches have beenproposed recently to apply convolutional neural networks(CNNs) to omni-directional ima
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::857ac1057835d1e00f773f05208d5760
https://doi.org/10.1109/cvpr.2019.00940
https://doi.org/10.1109/cvpr.2019.00940
Autor:
Egon Schulte, Abigail Williams
Publikováno v:
Discrete & Computational Geometry. 56:657-692
Skeletal polyhedra are discrete structures made up of finite, flat or skew, or infinite, helical or zigzag, polygons as faces, with two faces on each edge and a circular vertex-figure at each vertex. When a variant of Wythoff's construction is applie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41a36b21ab8e25d7c298542c14fc2c56
https://doi.org/10.1007/s00454-016-9814-2
https://doi.org/10.1007/s00454-016-9814-2
Publikováno v:
Radar Sensor Technology XXII.
It is common practice to use a metal conducting sphere for radar calibration purposes. The aspect-independence of a sphere allows for a more accurate and repeatable calibration of a radar than using a nonspherical calibration artifact. In addition, t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22018a50d6ce52d8f96fc17f9b8ebbdc
https://doi.org/10.1117/12.2305980
https://doi.org/10.1117/12.2305980