Kotaro Yamada

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Person:520647

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zbMath Open yamada.kotaroMaRDI QIDQ520647

List of research outcomes

PublicationDate of PublicationType
A generalization of Zakalyukin's lemma, and symmetries of surface singularities2023-09-25Paper
Symmetries of cross caps2023-06-05Paper
On the existence of four or more curved foldings with common creases and crease patterns2022-10-28Paper
Analytic extensions of constant mean curvature one geometric catenoids in de Sitter 3-space2022-08-26Paper
Null hypersurfaces as wave fronts in Lorentz-Minkowski space2022-03-05Paper
Isometric deformations of wave fronts at non-degenerate singular points2021-07-23Paper
Hypersurfaces with light-like points in a Lorentzian manifold. II2021-07-12Paper
Differential Geometry of Curves and Surfaces with Singularities2021-04-02Paper
Bernstein-type theorem for zero mean curvature hypersurfaces without time-like points in Lorentz-Minkowski space2021-03-29Paper
Curved foldings with common creases and crease patterns2021-02-02Paper
Analytic extensions of constant mean curvature one geometric catenoids in de Sitter 3-space2020-11-12Paper
Duality on generalized cuspidal edges preserving singular set images and first fundamental forms2020-11-03Paper
Cuspidal edges with the same first fundamental forms along a knot2020-09-03Paper
Null hypersurfaces in Lorentzian manifolds with the null energy condition2020-07-21Paper
Space-like maximal surfaces containing entire null lines in Lorentz-Minkowski 3-space2020-06-21Paper
Improvement of the Bernstein-type theorem for space-like zero mean curvature graphs in Lorentz-Minkowski space using fluid mechanical duality2020-02-21Paper
Analytic extension of exceptional constant mean curvature one catenoids in de Sitter 3-space2020-02-21Paper
Isometric realization of cross caps as formal power series and its applications2019-05-16Paper
Surfaces with light-like points in Lorentz-Minkowski 3-space with applications2018-11-16Paper
Quadrics and Scherk towers2018-06-27Paper
Hypersurfaces with light-like points2018-06-24Paper
Addendum to: ``Singularities of flat fronts in hyperbolic space2018-03-07Paper
Mixed type surfaces with bounded mean curvature in 3-dimensional space-times2017-07-13Paper
Analytic extension of Jorge-Meeks type maximal surfaces in Lorentz-Minkowski 3-space2017-06-29Paper
Differential Geometry of Curves and Surfaces2017-06-21Paper
Entire zero-mean curvature graphs of mixed type in Lorentz–Minkowski 3-space2017-05-17Paper
An index formula for a bundle homomorphism of the tangent bundle into a vector bundle of the same rank, and its applications2017-04-05Paper
Behavior of Gaussian Curvature and Mean Curvature Near Non-degenerate Singular Points on Wave Fronts2016-09-29Paper
Isometric deformations of cuspidal edges2016-05-25Paper
Erratum to: ``Zero mean curvature surfaces in Lorentz-Minkowki 3-space which change type across a light-like line2016-02-26Paper
A duality for conformally flat hypersurfaces2015-10-16Paper
Intrinsic properties of surfaces with singularities2015-06-17Paper
Zero mean curvature surfaces in Lorentz-Minkowski 3-space which change type across a light-like line2015-04-27Paper
Zero mean curvature surfaces in Lorentz-Minkowski 3-space and 2-dimensional fluid mechanics2015-02-16Paper
Intrinsic invariants of cross caps2014-08-01Paper
A construction of a complete bounded null curve in \(\mathbb C^3\)2014-06-04Paper
Embedded triply periodic zero mean curvature surfaces of mixed type in Lorentz-Minkowski 3-space2014-05-09Paper
Flat surfaces in hyperbolic 3-space whose hyperbolic Gauss maps are bounded2014-05-08Paper
Hyperbolic Metrics on Riemann Surfaces and Space-Like CMC-1 Surfaces in de Sitter 3-Space2013-11-11Paper
Erratum to: ``Complete bounded null curves immersed in \(\mathbb{C}^3\) and \(\mathrm{SL}(2,\mathbb{C})\)2013-02-01Paper
Coherent tangent bundles and Gauss-Bonnet formulas for wave fronts2012-12-04Paper
Applications of a completeness lemma in minimal surface theory to various classes of surfaces2012-06-19Paper
CMC-1 trinoids in hyperbolic 3-space and metrics of constant curvature one with conical singularities on the 2-sphere2012-03-07Paper
\(A_{2}\)-singularities of hypersurfaces with non-negative sectional curvature in Euclidean space2012-01-04Paper
Calabi-Yau Problem for Legendrian curves in C^3 and applications2011-07-01Paper
The duality of conformally flat manifolds2011-04-08Paper
Applications of a completeness lemma in minimal surface theory to various classes of surfaces2011-02-18Paper
The duality between singular points and inflection points on wave fronts2010-08-13Paper
Singularities of Blaschke normal maps of convex surfaces2010-07-20Paper
New maximal surfaces in Minkowski 3-space with arbitrary genus and their cousins in de Sitter 3-space2010-01-26Paper
Spacelike mean curvature one surfaces in de Sitter 3-space2010-01-13Paper
Complete bounded holomorphic curves immersed in $\mathbb {C}^2$ with arbitrary genus2009-10-09Paper
Asymptotic behavior of flat surfaces in hyperbolic 3-space2009-09-15Paper
Complete bounded null curves immersed in \(\mathbb C^3\) and \(\mathrm{SL}(2,\mathbb C)\)2009-08-27Paper
The geometry of fronts2009-07-14Paper
A k singlarities of wave fronts2009-05-20Paper
https://portal.mardi4nfdi.de/entity/Q36160712009-03-24Paper
The Hyperbolic Schwarz Map for the Hypergeometric Differential Equation2009-01-29Paper
Confluence of Swallowtail Singularities of the Hyperbolic Schwarz Map Defined by the Hypergeometric Differential Equation2008-12-18Paper
DERIVED SCHWARZ MAP OF THE HYPERGEOMETRIC DIFFERENTIAL EQUATION AND A PARALLEL FAMILY OF FLAT FRONTS2008-09-29Paper
BEHAVIOR OF CORANK-ONE SINGULAR POINTS ON WAVE FRONTS2008-07-29Paper
Singularities of maximal surfaces2008-06-30Paper
Period problems for mean curvature one surfaces in $H^3$ (with application to surfaces of low total curvature)2008-05-24Paper
https://portal.mardi4nfdi.de/entity/Q54586292008-04-16Paper
https://portal.mardi4nfdi.de/entity/Q54586302008-04-16Paper
https://portal.mardi4nfdi.de/entity/Q54586312008-04-16Paper
Flat fronts in hyperbolic 3-space and their caustics2007-04-02Paper
Maximal surfaces with singularities in Minkowski space2006-10-04Paper
Constructing mean curvature 1 surfaces in $H^3$ with irregular ends2006-09-11Paper
Singularities of flat fronts in hyperbolic space2006-06-12Paper
Flat fronts in hyperbolic 3-space2005-02-24Paper
Mean curvature 1 surfaces in hyperbolic 3-space with low total curvature. I2004-10-28Paper
Mean curvature 1 surfaces in hyperbolic 3-space with low total curvature. II2004-03-07Paper
An elementary proof of Small's formula for null curves in \(\text{PSL}(2,\mathbb{C})\) and a analogue for Legendrian curves in \(\text{PSL}(2,\mathbb{C})\)2003-10-27Paper
https://portal.mardi4nfdi.de/entity/Q47797492003-04-23Paper
https://portal.mardi4nfdi.de/entity/Q47888862003-01-22Paper
https://portal.mardi4nfdi.de/entity/Q45483432002-08-26Paper
https://portal.mardi4nfdi.de/entity/Q45487002002-08-26Paper
https://portal.mardi4nfdi.de/entity/Q27792102002-04-15Paper
https://portal.mardi4nfdi.de/entity/Q27827952002-04-08Paper
An analogue of minimal surface theory in 𝑆𝐿(𝑛,𝐂)/𝐒𝐔(𝐧)2002-03-19Paper
https://portal.mardi4nfdi.de/entity/Q43881472002-02-27Paper
General existence of minimial surfaces of genus zero with catenoidal ends and prescribed flux2001-08-26Paper
Metrics of constant curvature 1 with three conical singularities on the 2-sphere2000-09-04Paper
Irreducible constant mean curvature 1 surfaces in hyperbolic space with positive genus1999-05-31Paper
Flux for mean curvature 1 surfaces in hyperbolic 3-space, and applications1999-05-19Paper
An inverse problem of the flux for minimal surfaces1999-01-21Paper
https://portal.mardi4nfdi.de/entity/Q42190061998-11-15Paper
https://portal.mardi4nfdi.de/entity/Q43896641998-05-19Paper
A duality on CMC-1 surfaces in hyperbolic space, and a hyperbolic analogue of the Osserman inequality1998-02-02Paper
https://portal.mardi4nfdi.de/entity/Q43576041997-01-01Paper
https://portal.mardi4nfdi.de/entity/Q43651671997-01-01Paper
Surfaces of constant mean curvature \(c\) in \(H^ 3(-c^ 2)\) with prescribed hyperbolic Gauss map1996-07-14Paper
Complete surfaces of constant mean curvature-1 in the hyperbolic 3-space1994-09-06Paper
https://portal.mardi4nfdi.de/entity/Q40091721992-09-27Paper
A parametrization of the Weierstrass formulae and perturbation of complete minimal surfaces in R3 into the hyperbolic 3-space.1992-09-27Paper
A Deformation of Tori with Constant Mean Curvature in ℝ 3 to Those in Other Space Forms1992-09-26Paper
https://portal.mardi4nfdi.de/entity/Q34776961989-01-01Paper
Complete space-like surfaces with constant mean curvature in the Minkowski 3-space1988-01-01Paper
Minimal tori in \(S^ 3\) whose lines of curvature lie in \(S^ 2\)1987-01-01Paper

Research outcomes over time


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