Concepedia
Statistics
Publications
14
Citations
265
H-Index
12
Active since
1976
Affiliations
The University of Osaka(Current)
Tokyo Institute of Technology
Kyoto University
University of Chicago
Sampei Usui is an author at The University of Osaka specializing in geometry, representation theory, and integral geometry.
Top concepts
GeometryRepresentation TheorySpectral TheoryNatural SciencesIntegral GeometryComputational GeometryDiscrete Differential Geometry
Publications per year
1976–2019
Variation of mixed Hodge structure arising from family of logarithmic deformations II: Classifying space
Sampei Usui · Duke Mathematical Journal · 1984 · 42 citations
Lie Group, Logarithmic Deformations Ii, Global Analysis +4
𝑆𝐿(2)-orbit theorem for degeneration of mixed Hodge structure
Kazuya Katô, Chikara Nakayama, Sampei Usui · Journal of Algebraic Geometry · 2007 · 42 citations · Full text
Classifying spaces of degenerating mixed Hodge structures, II: Spaces of SL(2)-orbits
Kazuya Kato, Chikara Nakayama, Sampei Usui · Kyoto journal of mathematics · 2011 · 21 citations · Full text
Schubert Calculus, Several Variables, Lie Group +6
Borel-Serre Spaces and Spaces of SL(2)-Orbits
Kazuya Katô, Sampei Usui · Advanced studies in pure mathematics · 2019 · 21 citations
Spectral Theory, Polarized Hodge Structures, Lie Group +4
Recovery of vanishing cycles by log geometry
Sampei Usui · Tohoku Mathematical Journal · 2001 · 18 citations · Full text
Integral Geometry, Schubert Calculus, Log Topological Family +11
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