Masaaki Umehara

发表

Curved foldings with common creases and crease patterns

Atsufumi Honda, Kosuke Naokawa, Kentaro Saji, 2020, Adv. Appl. Math..

A generalization of Zakalyukin's lemma, and symmetries of surface singularities

Atsufumi Honda, Kosuke Naokawa, Kentaro Saji, 2021, Journal of Singularities.

Symmetries of cross caps

Atsufumi Honda, Kosuke Naokawa, Kentaro Saji, 2021 .

Hypersurfaces with Light-Like Points in a Lorentzian Manifold

Masaaki Umehara, Kotaro Yamada, M. Umehara, 2018, The Journal of Geometric Analysis.

Surfaces of constant mean curvaturec inH3(−c2) with prescribed hyperbolic Gauss map

Masaaki Umehara, Kotaro Yamada, M. Umehara, 1996 .

Mean curvature 1 surfaces in hyperbolic 3-space with low total curvature. I

Masaaki Umehara, Wayne Rossman, Kotaro Yamada, 2000 .

An elementary proof of Small's formula for null curves in PSL(2,C) and an analogue for Legendrian curves in PSL(2,C)

Masaaki Umehara, Kotaro Yamada, Masatoshi Kokubu, 2002 .

Orientability of linear Weingarten surfaces, spacelike CMC‐1 surfaces and maximal surfaces

Masaaki Umehara, Masatoshi Kokubu, M. Kokubu, 2009, 0907.2284.

Corrigendum Applications of a completeness lemma in minimal surface theory to various classes of surfaces

Masaaki Umehara, Kotaro Yamada, 2012 .

The behavior of curvature functions at cusps and inflection points

Masaaki Umehara, Shohei Shiba, M. Umehara, 2011, 1102.4478.

Maximal surfaces with singularities in Minkowski space

Masaaki Umehara, Kotaro Yamada, 2003 .

Differential Geometry Of Curves And Surfaces

Masaaki Umehara, Wayne Rossman, Kotaro Yamada, 2017 .

Singularities of flat fronts in hyperbolic space

Kentaro Saji, Masaaki Umehara, Wayne Rossman, 2004 .

Applications of a completeness lemma in minimal surface theory to various classes of surfaces

Masaaki Umehara, Kotaro Yamada, M. Umehara, 2009, 0909.1128.

Coherent Tangent Bundles and Gauss–Bonnet Formulas for Wave Fronts

Kentaro Saji, Masaaki Umehara, Kotaro Yamada, 2009 .

CMC-1 trinoids in hyperbolic 3-space and metrics of constant curvature one with conical singularities on the 2-sphere

Masaaki Umehara, Wayne Rossman, Kotaro Yamada, 2010, 1008.3734.

Singularities of maximal surfaces

Kentaro Saji, Masaaki Umehara, Kotaro Yamada, 2005 .

Flat fronts in hyperbolic 3-space and their caustics

Masaaki Umehara, Wayne Rossman, Kotaro Yamada, 2005 .