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Space-like maximal surfaces containing entire null lines in Lorentz-Minkowski 3-space

Akamine, Shintaro, Umehara, Masaaki, and Yamada, Kotaro
Proceedings of the Japan Academy, Series A, Mathematical Sciences Volume 95, Number 9 (November 2019), 97-102.

Journal article

Isometric realization of cross caps as formal power series and its applications

HONDA, Atsufumi, NAOKAWA, Kosuke, UMEHARA, Masaaki, and YAMADA, Kotaro
Hokkaido Mathematical Journal Volume 48, Number 1 (February 2019), 1-44.

Journal article

Analytic extension of Jorge-Meeks type maximal surfaces in Lorentz-Minkowski 3-space

Fujimori, Shoichi, Kawakami, Yu, Kokubu, Masatoshi, Rossman, Wayne, Umehara, Masaaki, and Yamada, Kotaro
Osaka Journal of Mathematics Volume 54, Number 2 (April 2017), 249-272.

Journal article

An index formula for a bundle homomorphism of the tangent bundle into a vector bundle of the same rank, and its applications

SAJI, Kentaro, UMEHARA, Masaaki, and YAMADA, Kotaro
Journal of the Mathematical Society of Japan Volume 69, Number 1 (January, 2017), 417-457.

Journal article

Isometric deformations of cuspidal edges

Naokawa, Kosuke, Umehara, Masaaki, and Yamada, Kotaro
Tohoku Mathematical Journal Volume 68, Number 1 (2016), 73-90.

Journal article

Embedded triply periodic zero mean curvature surfaces of mixed type in Lorentz-Minkowski 3-space

Fijimori, Shoichi, Rossman, Wayne, Umehara, Masaaki, Yamada, Kotaro, and Yang, Seong-Deog
The Michigan Mathematical Journal Volume 63, Number 1 (March 2014), 189-207.

Journal article

A construction of a complete bounded null curve in C3

Ferrer, Leonor, Martín, Francisco, Umehara, Masaaki, and Yamada, Kotaro
Kodai Mathematical Journal Volume 37, Number 1 (March 2014), 59-96.

Journal article

A refinement of Foreman’s four-vertex theorem and its dual version

Thorbergsson, Gudlaugur and Umehara, Masaaki
Kyoto Journal of Mathematics Volume 52, Number 4 (Winter 2012), 743-758.

Journal article

A2-singularities of hypersurfaces with non-negative sectional curvature in Euclidean space

Saji, Kentaro, Umehara, Masaaki, and Yamada, Kotaro
Kodai Mathematical Journal Volume 34, Number 3 (October 2011), 390-409.

Journal article

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

Fujimori, Shoichi, Kawakami, Yu, Kokubu, Masatoshi, Rossman, Wayne, Umehara, Masaaki, and Yamada, Kotaro
Proceedings of the Japan Academy, Series A, Mathematical Sciences Volume 87, Number 8 (October 2011), 144-149.

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