KOIKE Takayuki
- Affiliation
- Institute of Pure and Applied Sciences
- Official title
- Professor
- ORCID
- 0000-0002-7860-1899
- URL
- Research fields
Geometry - Research keywords
The theory of functions of several complex variables Complex geometry - Research projects
コンパクト多様体の正則近傍と特異計量 2025-11 -- 2028-03 Takayuki Koike Japan Society of for the Promotion of Science/Grant-in-Aid for JSPS Fellows コンパクト多様体の正則近傍とCR幾何 2024-04 -- 2026-03 Takayuki Koike Japan Society of for the Promotion of Science/MEAE-MESR Bilateral Program (SAKURA Program) 半正直線束とq-多重劣調和関数の複素幾何 2023-04 -- 2026-03 Takayuki Koike Japan Society of for the Promotion of Science/Fund for the Promotion of Joint International Research (Fostering Joint International Research (A)) 正則葉層構造の複素力学系と非消滅問題 2023-04 -- 2028-03 Takayuki Koike Japan Society of for the Promotion of Science/Grant-in-Aid for Scientific Research (C) 半正な正則直線束と複素力学系 2020-04 -- 2024-03 Takayuki Koike Japan Society of for the Promotion of Science/Grant-in-Aid for Early-Career Scientists 閉複素多様体の大域的開部分複素多様体 2018-08 -- 2020-03 Takayuki Koike Japan Society of for the Promotion of Science/Grant-in-Aid for Research Activity Start-up 複素部分多様体近傍の函数論的研究とその応用 2018-01 -- 2021-03 Takayuki Koike MEXT/Leading Initiative for Excellent Young Researchers（LEADER） 数値的半正直線束の極小特異エルミート計量と部分多様体近傍の複素幾何 2016-04 -- 2017-12 Takayuki Koike Japan Society of for the Promotion of Science/Grant-in-Aid for JSPS Fellows 特異エルミート計量とザリスキー分解及びアバンダンス予想に関する研究 2013-04 -- 2016-03 Takayuki Koike Japan Society of for the Promotion of Science/Grant-in-Aid for JSPS Fellows - Career history
2013-04 -- 2015-03 the University of TokyoGraduate School of Mathematical SciencesJSPS Research Fellow (DC1) 2015-04 -- 2016-03 the University of TokyoGraduate School of Mathematical SciencesJSPS Research Fellow (PD) 2016-04 -- 2017-12 Kyoto UniversityGraduate School of ScienceJSPS Research Fellow (PD) 2018-01 -- 2019-03 Osaka City UniversityGraduate School of ScienceLecturer 2019-04 -- 2020-03 Osaka City UniversityGraduate School of ScienceLecturer 2020-04 -- 2026-03 Osaka City University/Osaka Metropolitan UniversityGraduate School of ScienceAssociate Professor 2026-04 -- (current) University of TsukubaInstitute of Pure and Applied SciencesProfessor - Academic background
2011-04 -- 2015-03 School of Science Graduate School of Mathematical Sciences 2009-04 -- 2011-03 the University of Tokyo School of Science 2007-04 -- 2009-03 the University of Tokyo College of Arts and Sciences - Degree
2011-03 B.S. in Mathematics The University of Tokyo 2013-03 M.S. in Mathematical Sciences The University of Tokyo 2015-03 Ph.D. in Mathematical Sciences The University of Tokyo - Academic societies
-- (current) The Mathematical Society of Japan - Honors & Awards
2023/07 Osaka Metropolitan University Young Researcher Encouragement Prize 2018/09 MSJ Takebe Katahiro Prize for Encouragement of Young Researchers 2015/03 Dean's Award - Articles
- Uniform
-estimates for flat nontrivial line bundles on compact complex manifolds
HASHIMOTO Yoshinori; KOIKE Takayuki; MATSUMURA Shin-ichi
Complex Manifolds/12(1), 2025 cohomology of the complement of a semi-positive anticanonical divisor of a compact surface
KOIKE Takayuki
Math. Z./308(22), 2024- A gluing construction of K3 surfaces
KOIKE Takayuki; UEHARA Takato
Michigan Math. J./Advance Publication, 2025 - Ueda's lemma via uniform Hörmander estimates for flat line bundles
HASHIMOTO Yoshinori; KOIKE Takayuki
Kyoto J. Math./66(1)/pp.129-176, 2026 - On the neighborhood of a torus leaf and dynamics of holomorphic foliations
KOIKE Takayuki; OGAWA Noboru
Tohoku Math. J. (2)/77(3)/pp.421-443, 2025 - Plurisubharmonic functions on affine line bundles over compact Kähler manifolds
KOIKE Takayuki
Publ. Res. Inst. Math. Sci./61(1)/pp.139-152, 2025 - Hermitian metrics on the anti-canonical bundle of the blow-up of the projective plane at nine points
KOIKE Takayuki
Ann. Fac. Sci. Toulouse Math, Serie 6/32(2)/pp.231-285, 2023 - Holomorphic foliation associated with a semi-positive class of numerical dimension one
KOIKE Takayuki
J. Differential Geom./127(3)/pp.1207-1243, 2024 - A gluing construction of projective K3 surfaces
KOIKE Takayuki; UEHARA Takato
Epijournal de Geometrie Algebrique/6, 2022 - On the complement of a hypersurface with flat normal bundle which corresponds to a semipositive line bundle
KOIKE Takayuki
Math. Ann./383/pp.291-313, 2022 - Linearization of transition functions of a semi-positive line bundle along a certain submanifold
KOIKE Takayuki
Ann. Inst. Fourier (Grenoble)/71(5)/pp.2237-2271, 2021 - Arnol'd's type theorem on a neighborhood of a cycle of rational curves
KOIKE Takayuki
JAMA/147/pp.41-67, 2022 - Plurisubharmonic functions on a neighborhood of a torus leaf of a certain class of foliations
KOIKE Takayuki
Forum Math./31(6)/pp.1457-1466, 2019 - T. Koike, Higher codimensional Ueda theory for a compact submanifold with unitary flat normal bundle
KOIKE Takayuki
Nagoya Math. J./238/pp.104-136, 2020 - On minimal singular metrics of line bundles whose stable base loci admit holomorphic tubular neighborhoods
KOIKE Takayuki; HOSONO Genki
Ann. Fac. Sci. Toulouse Math. (6)/XXIX(１)/pp.149-175, 2020 - Local criteria for non embeddability of Levi-flat manifolds
KOIKE Takayuki; OGAWA Noboru
J. Geom. Anal./28(2)/pp.1052-1077, 2018 - Ueda theory for compact curves with nodes
KOIKE Takayuki
Indiana U. Math. J./66(3)/pp.845-876, 2017 - Toward a higher codimensional Ueda theory
KOIKE Takayuki
Math. Z./281(3)/pp.967-991, 2015 - Real-time Feynman path integral with Picard--Lefschetz theory and its applications to quantum tunneling
TANIZAKI Yuya; KOIKE Takayuki
Ann. Physics/351/pp.250-274, 2014 - On the minimality of canonically attached singular Hermitian metrics on certain nef line bundles
KOIKE Takayuki
Kyoto J. Math., Volume 55, Number 3 (2015)/55(3)/pp.607-616, 2015 - On minimal singular metrics of certain class of line bundles whose section ring is not finitely generated
KOIKE Takayuki
Ann. Inst. Fourier (Grenoble)/65(5)/pp.1953-1967, 2015 - Minimal singular metrics of a line bundle admitting no Zariski-decomposition
KOIKE Takayuki
Tohoku Math. J. (2)/67(2)/pp.297-321, 2015
- Uniform
(Last updated: 2026-04-13)