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KISHIMOTO Takashi

Faculty: Graduate School of Science and Engineering TEL:
Position: Professor ■FAX:
Address: 255 Shimo-Okubo, Sakura-ku, Saitama City, Saitama 338-8570, JAPAN ■Mail Address:
■Web site:

Profile

Assigned Class

Faculty of Science

Research Field

Algebraic Geometry
keyword:Algebraic Geometry , Algebraic Groups , (Equivariant) Sarkisov Program , Automorphism Groups , Fano varieties

Current Subject

Equivariant Birational Geometry and its application to Affine Algebraic Geometry

Academic Societies

Academic Societies
Mathematical Society of Japan

Academic Background

Graduate School
(Doctor course) , 2002(Completed)
College
Tokyo Institute of Technology , 1997(Graduated)
Degree
Ph. D. (Science) , Osaka University , A new proof of a theorem of Ramanujam-Morrow

Research Career

Research Career
2018 , professor
2010 - 2018 , associate professor
2007 - 2010 , assistant professor
2004 - 2007 , assistant professor
Other Career
2017 - 2017 , CNRS Research Fellow ship
2006 - 2008 , JSPS Postdoctoral Fellowships for Research Abroad
2002 - 2003 , Postdoc position・Max-Plunck Institute for Mathematics
2001 - 2003 , JSPS Research Fellowships for Young Scientists

Research

Books, Articles, etc.

Books
Algebraic Varieties and Automorphism Groups [Advanced Studies in Pure Mathematics 75]
Mathematical Society of Japan :119-162, 183-188, 393-424, 443-463 201712
ISBN:9784864970495
Kayo Masuda, Takashi Kishimoto, Hideo Kojima, Masayoshi Miyanishi, Mikhail Zaidenberg

Articles
Rees algebras of additive group actions
,Mathematische Zeitschrift,301:593-626 2022
Adrien Dubouloz, Isac Hedén, Takashi Kishimoto

Completions of affine spaces into Mori fiber spaces with non-rational fibers
,Journal of the London Mathematical Society,106 :1257-1290 2022
Adrien Dubouloz, Takashi Kishimoto, Karol Palka

Toric G-solid Fano threefolds
,Selecta Mathematica (to appear) 2022
Ivan Cheltsov, Adrien Dubouloz, Takashi Kishimoto

Equivariant extensions of Ga-torsors over punctured surfaces
,Annali della Scuola Normale Superiore de Pisa, Classe di Scienze,XXI:133-167 2020
Adrien Dubouloz, Isac Heden, Takashi Kishimoto

Deformation of A^1-cylindrical varieties
,Mathematische Annalen ,373:1135--1149 2019
Adrien Dubouloz, Takashi Kishimoto

Cylindres dans les fibrations de Mori: Formes du volume quintique de Del Pezzo
,Annales de l'Institut Fourier,69:2377--2393 2019
Adrien Dubouloz, Takashi Kishimoto

Cylinders in del Pezzo fibrations
,Israel Journal of Mathematics ,225:797-815 2018
Adrien Dubouloz, Takashi Kishimoto

Explicit biregular/birational geometry of affine threefolds: completions of A3 into del Pezzo fibrations and Mori conic bundles
,Advanced Studies in Pure Mathematics ,75:49-71 2017
Adrien Dubouloz, Takashi Kishimoto

Families of affine ruled surfaces: Existence of cylinders
,Nagoya Mathematical Journal ,223:1-20 2016
Adrien Dubouloz and Takashi Kishimoto

Log-uniruled affine varieties without cylinder-like open subsets
,Bulletin de la Societe Mathematiques de France ,143:383--401 2015
Adrien Dubouloz and Takashi Kishimoto

Affine cones over Fano threefolds and additive group actions
,Osaka Journal of Mathematics ,51:1093-1112 2014
Takashi Kishimoto, Yuri Prokhorov, Mikhail Zaidenberg

Remark on deformations of affine surfaces with A^1-fibrations
,Automorphisms in Birational and Affine Geometry, Springer Proceedings in Mathematics & Statistics 79,79:363--379 2014
Takashi Kishimoto

Affine cones over Fano threefolds and additive group actions
,Osaka Journal of Mathematics ,51:1093--1112 2014
Takashi Kishimoto, Yuri Prokhorov, Mikhail Zaidenberg

Unipotent group actions on del Pezzo cones
,Algebraic Geometry ,1:46--56 2014
Takashi Kishimoto, Yuri Prokhorov, Mikhail Zaidenberg

Miyanishi's characterization of singularities appearing on A^1-fibrations does not hold in higher dimensions
,Proceedings of Conference on Affine Algebraic Geometry, 3-6 March, 2011 Osaka:103-127 2013
Takashi Kishimoto

G_a-actions on affine cones
,Transformations Groups ,18:1137--1153 2013
Takashi Kishimoto, Yuri Prokhorov, Mikhail Zaidenberg

Homogeneous locally nilpotent derivations of C[x,y,z] and pencils of rationa plane curves
,Higher Dimensional Algebraic Geometry, RIMS Kokyuroku Bessatsu,24:81-101 2011
Takashi Kishimoto

Group actions on affine cones
,Affine Algebraic Geometry Russellfest, CRM Proceedings and Lecture Notes, vol. 54, American Mathematical Society, Providence, RI (2011),54:123-163 2011
Takashi Kishimoto, Yuri Prokhorov, Mikhail Zaidenberg Affine Algebraic Geometry, CRM Proceedings and Lecture Notes, vol. 54, Amer. Math. Soc., Providence, RI

A new proof of the non-tameness of the Nagata automorphism from the point of view of the Sarkisov program
,Compositio Mathematica,144(4):963-977 200807
Takashi Kishimoto

Affine lines on Q-homology planes with logarithmic kodaira dimension -infinity
,Transformation Groups,13(1):211-213 200803
Takashi Kishimoto, Hideo Kojima

ログ極小モデル理論の観点からの3次元アフィン代数多様体の双正則的構造解析
埼玉大学総合研究機構,総合研究機構研究プロジェクト研究成果報告書,5 (平成18年度):486-487 2007
岸本崇
Analysis of Affine Algebraic Threefolds from a point of view of Log Minimal Model Program

Affine lines on Q-homology planes with logarithmic kodaira dimension -infinity
,Transformation Groups ,11(4):659-672 2006
Kishimoto, Takashi, Kojima, Hideo

Affine threefolds whose log canonical bundles are not numerically effective
,Journal of Pure and Applied Algebra,208(1):189-204 2006
Kishimoto, Takashi

On the logarithmic Kodaira dimension of affine threefolds
,International Journal of Mathematics,17(1):1-17 2006
Kishimoto, Takashi

The combination of 3-dimensional Affine Algebraic Geometry and Minimal Model Program
埼玉大学総合研究機構,総合研究機構研究プロジェクト研究成果報告書,4 (平成17年度) 2006
岸本崇

Analysis of the structure of affine algebraic threefolds from a point of view of MinimalModel Theory (Mori Theory)
埼玉大学総合研究機構,総合研究機構研究プロジェクト研究成果報告書,3 (平成16年度) 2005
岸本崇

Compactifications of contractible affine 3-folds into smooth Fano 3-folds with B2=2
,Mathematische Zeitschrift,251(4):783-820 2005
Kishimoto, Takashi

Singularities on normal affine 3-folds containing A1-cylinderlike open subsets
,Contemporary Mathematics,369:139-163 2005
Kishimoto, Takashi

The explicit factorization of the Cremona transformation which is an extension of the Nagata automorphism into elementary links
,Mathematische Nachrichten,278(7-8):833-843 2005
Kishimoto, Takashi

On the compactifications of contractible affine threefolds and the Zariski Cancellation Problem
,Mathematische Zeitschrift,247:149-181 2004
Kishimoto, Takashi

A new proof of a theorem of Ramanujam-Morrow
,Journal of Mathematics of Kyoto University,42:117-139 2002
Kishimoto, Takashi

Abhyankar-Sathaye Embedding Problem in dimension three
,Journal of Mathematics of Kyoto University,42:641-669 2002
Kishimoto, Takashi

Projective plane curves whose complements have logarithmic Kodaira dimension one
,Japanese Journal of Mathematics,27:275-310 2001
Kishimoto, Takashi

Presentation
Equivariant completions of vector groups into Fano varieties
Birational Geometry and K-stability of Fano Varieties, Edge Days 2022 (University of Edinburgh) 202211
Takashi Kishimoto

Equivariant and non-equivariant completions of vector groups into Mori fiber spaces
Rationality, Moduli Spaces, and Related Topics (Nagoya University) 202211
Takashi Kishimoto

Equivariant completions of vector groups into Fano varieties
日本数学会秋季代数分科会・特別講演 (於:北海道大学) 202209
岸本 崇

Cylinders in Mori Fiber Spaces
Edge Days 2019: The University of Edinburgh 201911
Takashi Kishimoto

Forms of the quintic del Pezzo threefold V5
Algebraic Geometry - Mariusz Koras in memoriam, at Institute of Mathematics, Polish Academy of Sciences (Poland) 201806
Takashi Kishimoto

Cylinders in Fano fibrations
射影多様体の幾何とその周辺 2016 201610
Takashi Kishimoto

Families of affine ruled surfaces: Existence of cylinders
Complex Affine Geometry, Hyperbolicity, Complex Analysis 201610
Takashi Kishimoto

Log-uniruled affine algebraic varieties
The 39th Autumn School in Algebraic Geometry, Complex Affine Geometry (5回の連続講義) 201609
Takashi Kishimoto

Cylinders in del Pezzo fibrations
第60回代数学シンポジウム,第60回代数学シンポジウム報告集,60:79--88 201509
Takashi Kishimoto

Families of affine ruled surfaces: Existence of cylinders
射影多様体の幾何とその周辺2014,射影多様体の周辺とその周辺2014:99--103 201411
Takashi Kishimoto

Birational tentative to produce a counter-example for Abhyankar-Sathaye embedding problem of dimension three
Kyoto Workshop on Algebraic Varieties and Automorphism Groups 201407
Takashi Kishimoto

Deformations of irrational affine ruled surfaces
代数幾何学城崎シンポジューム 201310
Takashi Kishimoto

Affine cones over Fano threefolds and additive group actions
南九州代数系集会 201208
Takashi Kishimoto

Resolution of pencils and an application of minimal model program in threefolds
International Conference on Affine Algebraic Geometry and Related Topics 201208
Takashi Kishimoto

Ga and Ga2-actions the complements of hypersurfaces in P3
第7回アフィン代数幾何学研究集会 201103
Takashi Kishimoto

Affine uniruledness and Ga-actions on affine algebraic varieties
射影多様体の幾何とその周辺2010,射影多様体の幾何とその周辺2010:53-62 201011
Takashi Kishimoto

Affine uniruledness and Ga-actions on affine algebraic varieties
第6回アフィン代数幾何学研究集会 201009
Takashi Kishimoto

Pencils and Completions of the affine space and the exotic ones into Mori Fiber Spaces
Takashi Kishimoto, s, Motivic Geometry Conference, The Centre for Advanced Study at the Norwegian Academy of Science and Letters in Oslo (CAS), Oslo,Norway,8 September, 2020 (Online)
Takashi Kishimoto

Others
『代数幾何学とシリンダー』 (日本数学会『数学』論説: 掲載予定)