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Ultima descărcare din IBN: 2024-04-07 11:30 |
SM ISO690:2012 BALCAN, Vladimir. Construction of tilings and behaviour of geodesics. In: Competitivitatea şi inovarea în economia cunoaşterii: Culegere de rezumate, Ed. Ediția 27, 22-23 septembrie 2023, Chişinău. Chişinău Republica Moldova: "Print-Caro" SRL, 2023, Ediţia a 27-a, Volumul 1, p. 92. ISBN 978-9975-175-98-2. |
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Competitivitatea şi inovarea în economia cunoaşterii Ediţia a 27-a, Volumul 1, 2023 |
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Conferința "Competitivitate şi inovare în economia cunoaşterii" Ediția 27, Chişinău, Moldova, 22-23 septembrie 2023 | ||||||
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JEL: C02 | ||||||
Pag. 92-92 | ||||||
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Rezumat | ||||||
I have written two books: “Properties of Böröczky’s construction in high-dimensional hyperbolic spaces” and “The behavior of geodesics in two-dimensional hyperbolic manifolds” and this two books have been published. Of a special interest are tilings in hyperbolic n–space Λn . In plain words, the construction goes as follows. Let us describe it for 3-space Λ3 first. Consider a collection of concentric horospheres, where consecutive horospheres have equal distance. Each horosphere is conformal to the Euclidean plane . So consider a partition of each horosphere into the canonical tiling of by unit squares. Erect on each square a prism, such that the top of the prism is made of four squares of the next layer. This yields a tiling of Λ3 , where each tile carries four tiles on its top. These “polyhedral layers” fit together and produce the Böröczky tiling of the whole hyperbolic 3-space. This construction can be extended to any dimension, yielding tilings of hyperbolic n–space Λn . The main purpose of two work is the given a new constructive method for solving the problem of the behavior of geodesic on hyperbolic surfaces of genus g, k punctures and with n geodesic boundary components. At first:1) we obtain a complete classification of all possible geodesic curves on the simplest hyperbolic 2-manifolds (hyperbolic horn; hyperbolic cylinder; parabolic horn (cusp), hyperbolic pants); 2) on surface of genus 2; Finally: 3) on compact closed hyperbolic surface without boundarie (general case); 4) on hyperbolic surface of genus g and with n geodesic boundary components; 5) on hyperbolic 1-punctured torus; on generalized hyperbolic pants; in general case: for any punctured hyperbolic surface of genus g and k punctures; 6) in the most general case: or in any hyperbolic surface of genus g, k punctures and with n boundary curves. |
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Cuvinte-cheie hyperbolic n–space, Böröczky’s construction, horospheres, geodesic–cube (cubiliaj), non-regular non face-to-face (non-normal) tiling |
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