Search Results - "Kabata, Yutaro"

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  1. 1

    Radiomic features based on Hessian index for prediction of prognosis in head-and-neck cancer patients by Le, Quoc Cuong, Arimura, Hidetaka, Ninomiya, Kenta, Kabata, Yutaro

    Published in Scientific reports (04-12-2020)
    “…This study demonstrated the usefulness of radiomic features based on the Hessian index of differential topology for the prediction of prognosis prior to…”
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    Journal Article
  2. 2

    Criteria for sharksfin and deltoid singularities from the plane into the plane and their applications by Kabata, Yutaro, Saji, Kentaro

    Published in Beiträge zur Algebra und Geometrie (01-12-2022)
    “…We give criteria for sharksfin and deltoid singularities from the plane into the plane. We also give geometric meanings for the conditions in the criterion of…”
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    Capturing information on curves and surfaces from their projected images by Hasegawa, Masaru, Kabata, Yutaro, Saji, Kentaro

    “…Obtaining complete information about the shape of an object by looking at it from a single direction is impossible in general. In this paper, we theoretically…”
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  5. 5

    Recognition of plane-to-plane map-germs by Kabata, Yutaro

    Published in Topology and its applications (01-04-2016)
    “…We present a complete set of criteria for determining A-types of plane-to-plane map-germs of corank one with A-codimension≤6, which provides a new insight into…”
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  6. 6

    On discrete constant principal curvature surfaces by Kabata, Yutaro, Matsutani, Shigeki, Ogata, Yuta

    Published in Computer aided geometric design (01-06-2024)
    “…It has been recently discovered that a certain class of nanocarbon materials has geometrical properties related to the geometry of discrete surfaces with a…”
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    One‐parameter families of Legendre curves and plane line congruences by Kabata, Yutaro, Takahashi, Masatomo

    Published in Mathematische Nachrichten (01-08-2022)
    “…Families of curves in the Euclidean plane naturally contain singular curves, where the frame of classical differential geometry does not work well. We…”
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  9. 9

    A view-parametric extension of the d'Ocagne formula for a surface in $\mathbb{R}^3 by Anjyo, Ken, Kabata, Yutaro

    Published 08-10-2023
    “…In this paper, we consider the orthogonal projection of a surface in $\mathbb{R}^3$ for a given view direction. We then introduce and investigate several…”
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  10. 10

    Criteria for sharksfin and deltoid singularities from the plane into the plane and their applications by Kabata, Yutaro, Saji, Kentaro

    Published 19-01-2021
    “…We give criteria for sharksfin and deltoid singularities from the plane into the plane. We also give geometric meanings for the conditions in the criterion of…”
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    Journal Article
  11. 11

    Singularities in bivariate normal mixtures by Kabata, Yutaro, Matsumoto, Hirotaka, Uchida, Seiichi, Ueki, Masao

    Published 01-10-2024
    “…We investigate mappings $F = (f_1, f_2) \colon \mathbb{R}^2 \to \mathbb{R}^2 $ where $ f_1, f_2 $ are bivariate normal densities from the perspective of…”
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  12. 12

    Algebraic approach to maximum likelihood factor analysis by Fukasaku, Ryoya, Hirose, Kei, Kabata, Yutaro, Teramoto, Keisuke

    Published 12-02-2024
    “…In exploratory factor analysis, model parameters are usually estimated by maximum likelihood method. The maximum likelihood estimate is obtained by solving a…”
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  13. 13

    Contact cylindrical surfaces and a projection of a surface around a parabolic point by Hasegawa, Masaru, Kabata, Yutaro, Saji, Kentaro

    Published 14-06-2022
    “…We investigate differential geometric properties of a parabolic point of a surface in the Euclidean three space. We introduce the contact cylindrical surface…”
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  14. 14

    A novel symmetry in nanocarbons: pre-constant discrete principal curvature structure by Kabata, Yutaro, Matsutani, Shigeki, Noda, Yusuke, Ogata, Yuta, Onoe, Jun

    Published 27-06-2023
    “…Since the first-principles calculations in quantum chemistry precisely provide possible configurations of carbon atoms in nanocarbons, we have analyzed the…”
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  15. 15

    Recognition of plane-to-plane map-germs by Kabata, Yutaro

    Published 30-03-2015
    “…We present a complete set of criteria for determining A-types of plane-to-plane map-germs of corank one with A-codimension <7, which provides a new insight…”
    Get full text
    Journal Article
  16. 16

    Capturing information on curves and surfaces from their projected images by Hasegawa, Masaru, Kabata, Yutaro, Saji, Kentaro

    Published 07-10-2020
    “…Internat. J. Math. for Industry, 2050004, September 2020 Obtaining complete information about the shape of an object by looking at it from a single direction…”
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  17. 17

    Topology of Pareto sets of strongly convex problems by Hamada, Naoki, Hayano, Kenta, Ichiki, Shunsuke, Kabata, Yutaro, Teramoto, Hiroshi

    Published 07-04-2019
    “…A multiobjective optimization problem is simplicial if the Pareto set and front are homeomorphic to a simplex and, under the homeomorphisms, each face of the…”
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    Projection of crosscap by Sichacá, Martín Barajas, Kabata, Yutaro

    Published 23-05-2018
    “…We determine the precise bifurcation diagrams of the apparent contours of generic crosscaps, which contain the information of bifurcations with respect to the…”
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    Projective classification of jets of surfaces in $\mathbb{P}^4 by Silva, Jorge Luiz Deolindo, Kabata, Yutaro

    Published 23-01-2016
    “…We are interested in the local extrinsic geometry of smooth surfaces in 4-space, and classify jets of Monge forms by projective transformations according to…”
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    Binary differential equations at parabolic and umbilical points for $2$-parameter families of surfaces by Silva, Jorge Luiz Deolindo, Kabata, Yutaro, Ohmoto, Toru

    Published 16-08-2017
    “…We determine local topological types of binary differential equations of asymptotic curves at parabolic and flat umbilical points for generic $2$-parameter…”
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