Concepedia

Hajime Urakawa

HU

33

Publications

1K

Citations

18

H-Index

1975

Active since

Affiliations

Tohoku University(Current)

Yamaguchi University

Hajime Urakawa is an author at Tohoku University specializing in engineering, spectral theory, and geometry.

Top concepts

EngineeringSpectral TheoryGeometryFunctional AnalysisGraph TheoryDiscrete MathematicsPhysicsEducationStabilityNetwork Analysis

Publications per year

1975–2018

33

Publications

33

Generic properties of the eigenvalue of the Laplacian for compact Riemannian manifolds

Shigetoshi Bando, Hajime Urakawa · Tohoku Mathematical Journal · 1983 · 93 citations · Full text

Spectral Theory, Isometry Groups, Global Geometry +11

On the least positive eigenvalue of the Laplacian for compact group manifolds

Hajime Urakawa · Journal of the Mathematical Society of Japan · 1979 · 85 citations · Full text

Spectral Theory, Geometric Group Theory, Lie Group +8

Pseudoharmonic maps from nondegenerate CR manifolds to Riemannian manifolds

Elisabetta Barletta, Sorin Dragomir, Hajime Urakawa · Indiana University Mathematics Journal · 2001 · 76 citations

Nondegenerate Cr Manifolds, Riemannian Geometry, Global Analysis +1

A discrete analogue of the harmonic morphism and green kernelcomparison theorems

Hajime Urakawa · Glasgow Mathematical Journal · 2000 · 72 citations · Full text

Biharmonic maps into a Riemannian manifold of non-positive curvature

Nobumitsu Nakauchi, Hajime Urakawa, Sigmundur Gudmundsson · Geometriae Dedicata · 2013 · 71 citations

Geometry, Riemannian Geometry, Riemannian Manifold +2

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