Zobrazeno 1 - 10
of 252
pro vyhledávání: '"integral invariants"'
Publikováno v:
Известия Саратовского университета. Новая серия. Серия Математика. Механика. Информатика, Vol 24, Iss 2, Pp 184-192 (2024)
In the study of the equations of motion of systems of various physical nature, there are problems in determining the qualitative indicators and properties of motion according to the known structure and properties of the equations under consideration.
Externí odkaz:
https://doaj.org/article/bed5c562d7284f64aa24962e96fd4e24
Publikováno v:
Symmetry, Vol 15, Iss 1, p 206 (2023)
In this paper, we calculate the Gaussian curvatures of the dual spherical indicatrix curves formed on unit dual sphere by the Blaschke vectors and dual instantaneous Pfaff vectors of dual parallel equidistant ruled surfaces (DPERS) and we give the re
Externí odkaz:
https://doaj.org/article/dccfa3bf87434b0995100f21d225fa7a
Publikováno v:
Symmetry, Vol 14, Iss 9, p 1879 (2022)
In this paper, parallel q-equidistant ruled surfaces are defined such that the binormal vectors of given two differentiable curves are parallel along the striction curves of their corresponding binormal ruled surfaces, and the distance between the as
Externí odkaz:
https://doaj.org/article/9e01a353abae453eb9b965280e31149a
Akademický článek
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Akademický článek
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Autor:
Mehmet Önder, H. Hüseyin Uğurlu
Publikováno v:
Boletim da Sociedade Paranaense de Matemática, Vol 34, Iss 1, Pp 85-98 (2016)
In this study, we give the dual characterizations of Mannheim offsets of ruled surfaces in terms of their integral invariants and obtain a new characterization of the Mannheim offsets of developable surface, i.e., we show that the striction lines of
Externí odkaz:
https://doaj.org/article/56e102be0adb4abeb3ec06cdc8080670
Akademický článek
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Autor:
Sparrman, Viktor
Recent missions to solar system comets, such as ESA's Rosetta mission, raise interest for models and descriptions of their plasma environment. The interaction with various space phenomena such as stellar wind make the construction of an analytical de
Externí odkaz:
http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-476493
Autor:
GÜLSÜM YELİZ ŞENTÜRK, SALİM YÜCE
Publikováno v:
Kuwait Journal of Science, Vol 42, Iss 2 (2015)
In this study, the ruled surface with Darboux frame is defined. Then, the ruled surfacescharacteristic properties which are related to the geodesic curvature, the normal curvature andthe geodesic torsion are investigated. The relation between the Dar
Externí odkaz:
https://doaj.org/article/eb0f8a0d958646229b3ba683b0f3fb83
Autor:
Riley O'Neill, Pedro Angulo-Umana, Peter J. Olver, Katrina Yezzi-Woodley, Jeff Calder, Bo Hessburg, Chehrzad Shakiban
Publikováno v:
Experts@Minnesota
We show how to compute the circular area invariant of planar curves, and the spherical volume invariant of surfaces, in terms of line and surface integrals, respectively. We use the Divergence Theorem to express the area and volume integrals as line
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b838d28f3b866203620abbb253b24068
https://doi.org/10.1137/19m1260803
https://doi.org/10.1137/19m1260803