日本語
Ibaraki University's
Graduate School of Science and Engineering (Science)
Department of Science (Mathematics and Informatics Course)
Associate Professor
OHTSUKA Fumiko
Academic background
Saitama University
Faculty of Science
数学科
1983
Graduated
Ochanomizu University
Graduate School, Division of Natural Science
数学専攻
Master course
1985
Completed
University of Tsukuba
Graduate School, Division of Mathematics
数学専攻
Doctor course
1987
Withdrawn before completion
Academic degrees
Doctor of Mathematics
University of Tsukuba
Master of Science
Ochanomizu University
Research Areas
Geometry
Research keywords
manifold, polyhedron, total curvature
Subject of research
Geometry of Total Curvature
Papers
Research paper (scientific journal)
Only
Structure of 2-skeletons of higher dimensional regular polytopes
Fumiko Ohtsuka
Math. J. Ibaraki Univ.
50, 27-33
2018
Research paper (scientific journal)
Joint
A natural generalization of regular convex polyhedra
Jin-ichi Itoh and Fumiko Ohtsuka
Topology and its Applications
elsevier
219, 43-54
2017
Research paper (scientific journal)
Joint
Some remarks on simple closed geodesics of surfaces with ends
Jin-ichi Itoh, Fumiko Ohtsuka and Tudor Zamfirescu
Bull. Math. Soc. Sci. Math. Roumanie
52(100), 311-319
2009
Research paper (scientific journal)
Only
Erratum to: "Structure of flat piecewise Riemannian 2-polyhedra"
Fumiko Ohtsuka
Math. J. Ibaraki Univ.
37, 107-114
2005
Research paper (scientific journal)
Joint
Total curvature of noncompact piecewise Riemannian 2-polyhedra
Jin-ichi Itoh, Fumiko Ohtsuka
Tsukuba J. Math.
29, 471-493
2005
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Memberships of academic societies
The Mathematical Society of Japan
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