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of 484
pro vyhledávání: '"Takahashi Masatomo"'
A Bertrand (respectively, Mannheim) curve is a space curve whose principal normal line is the same as the principal normal (respectively, bi-normal) line of another curve. By definition, another curve is a parallel curve with respect to the direction
Externí odkaz:
http://arxiv.org/abs/2403.19138
We investigate vertices for plane curves with singular points. As plane curves with singular points, we consider Legendre curves (respectively, Legendre immersions) in the unit tangent bundle over the Euclidean plane and frontals (respectively, front
Externí odkaz:
http://arxiv.org/abs/2402.15104
Autor:
Fukunaga Tomonori, Takahashi Masatomo
Publikováno v:
Demonstratio Mathematica, Vol 48, Iss 2, Pp 147-166 (2015)
We have already defined the evolutes and the involutes of fronts without inflection points. For regular curves or fronts, we can not define the evolutes at inflection points. On the other hand, the involutes can be defined at inflection points. In th
Externí odkaz:
https://doaj.org/article/d19b9fc27b344069993e47652ec62127
A Bertrand curve in the 4-dimensional Euclidean space is a space curve whose first normal line is the same as the first normal line of another curve. On the other hand, a Mannheim curve in the 4-dimensional Euclidean space is a space curve whose firs
Externí odkaz:
http://arxiv.org/abs/2204.06162
Autor:
Xu, Ziming, Notomi, Shoji, Wu, Guannan, Fukuda, Yosuke, Maehara, Yusuke, Fukushima, Masatoshi, Murakami, Yusuke, Takahashi, Masatomo, Izumi, Yoshihiro, Sonoda, Koh-Hei
Publikováno v:
In Biochemistry and Biophysics Reports December 2024 40
Autor:
Honda, Shun'ichi, Takahashi, Masatomo
We introduce circular evolutes and involutes of framed curves in the Euclidean space. Circular evolutes of framed curves stem from the curvature circles of Bishop directions and singular value sets of normal surfaces of Bishop directions. On the othe
Externí odkaz:
http://arxiv.org/abs/2103.07041
Autor:
Bai, Yunfan, Morita, Keigo, Kokaji, Toshiya, Hatano, Atsushi, Ohno, Satoshi, Egami, Riku, Pan, Yifei, Li, Dongzi, Yugi, Katsuyuki, Uematsu, Saori, Inoue, Hiroshi, Inaba, Yuka, Suzuki, Yutaka, Matsumoto, Masaki, Takahashi, Masatomo, Izumi, Yoshihiro, Bamba, Takeshi, Hirayama, Akiyoshi, Soga, Tomoyoshi, Kuroda, Shinya
Publikováno v:
In iScience 15 March 2024 27(3)
Akademický článek
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Akademický článek
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Autor:
Takeda, Haruna, Murakami, Shohei, Liu, Zun, Sawa, Tomohiro, Takahashi, Masatomo, Izumi, Yoshihiro, Bamba, Takeshi, Sato, Hideyo, Akaike, Takaaki, Sekine, Hiroki, Motohashi, Hozumi
Publikováno v:
In Redox Biology September 2023 65