e-mail: matsushita.y-AT-usp.ac.jp (replace -AT- by @)
電話 : +81-749-28-8350, -8382 / FAX : +81-749-28-8478, -8491
『波のしくみ』,
佐藤文隆，松下泰雄共著
波のしくみ
(ISBN978-4-06-257575-1), 2007年11月20日, 講談社, 東京.
『ミンコフスキー空間』,
別冊・数理科学「相対論の歩み」(pp.108
-115)
2005年4月, サイエンス社, 東京
2009年10月17日(土) – 21日(水), Riyadh, Saudi Arabia
Two lectures are given at Department of Mathematics, King Saud University
Survey on Four-Dimensional Geometry
The First Lecture for Department of Mathematics
The Second Lecture for Geometry Group
http://colleges.ksu.edu.sa/CollegeofScinces/RC/Pages/MathematicsResearches.aspx
http://colleges.ksu.edu.sa/CollegeofScinces/RC/Pages/default.aspx
2010年9月13日(月) – 17日(金), Sofia, Bulgaria
International Workshop on Complex Structures, Integrability and Vector Fields,
held at Bulgarian Academy of Science, Sofia.
AIP Conference Proceedings 1340
“INTERNATIONAL WORKSHOP ON COMPLEX STRUCTURES, INTEGRABILITY AND VECTOR FIELDS,
eds., by Kouei Sekigawa, Vladimir S. Gerdjikov, Yasuo Matsushita, Ivaïlo M. Mladenov.
http://scitation.aip.org/proceedings/confproceed/1340.jsp
2010年9月20日(月) – 26日(金), Vienna University of Technology, Vienna, Austria
Invited Lecture (see Einladung-Vienna.pdf)
http://www.geometrie.tuwien.ac.at/fg3/events.html
2010年12月10日(金) – 19日(月), Santiago de Compostela, Spain
Conference in Geometry and Global Analysis, Clelebrating P. Gilkey's 65th birthday,
held at University of Santiago de Compostela
http://xtsunxet.usc.es/gilkey2010/
http://www.euro-math-soc.eu/node/576
(See Conference in Geometry and Global Analysis.pdf)
2010年12月29日(土) – 2011年1月6日(水), Allahabad, India
International Conference on Mathematics of Date,
Co-Chair of the Conference
http://pphmj.com/index.php?act=show_conference&menu_id=1
http://pphmj.com/index.php?act=show_conference&menu_id=16
http://pphmj.com/index.php?act=show_conference&menu_id=6
http://pphmj.com/index.php?act=show_conference&menu_id=25
No.43 (2013) :
P. R. Law and Y. Matsushita,
Real AlphaBeta-Geometries and Walker Geometry,
Journal of Geometry and Physics,
65 (2013), 35-44.
http://www.sciencedirect.com/science/article/pii/S0393044012002100
No.42 (2011):
P. R. Law and Y. Matsushita,
Algebraically Special, Real Alpha-Geometries
Journal of Geometry and Physics,
61 (2011), 2064-2080.
arXiv:0808.2082v2[mathDG] 15 Aug 2008(v1), 19 Apr 2011(v2)
pdf file
No.41 (April, 2011):
Y. Matsushita,
Geometric structures in four-dimension and almost Hermitian structures
in AIP Conference Proceedings, Volume 1340,
International Workshop on Complex Structures, Integrability and Vector Fields (2011) 66-80.
No.40 (2008):
P. R. Law and Y. Matsushita,
A Spinor Approach to Walker Geometry
Communications in Mathematical Physics
282 (2008), 577-623.
http://www.springerlink.com/content/74005725335llv64/?p=07bb61dc98e8470c8685be114460d410&pi=0
No.39 (2008(?)):
Y. Matsushita,
Neutral metrics of signature (+ + -
-), two kinds of almost complex
structures on 4-manifolds, and the
counterexamples to the Goldberg conjecture
Pleanary Lecture at The
International Conference:‘Differential Geometry and Topology
in the
Perspective of Modern Trends’
February 18-19, 2006, Dayalbagh Educational
Institute ( Deemed University )
Dayalbagh, Agra 282 005, India
to
appear in JP Journal of Geometry
and Topology
No. 38 (2008):
J. Davidov, J.C.D\'{\i}az-Ramos, E.
Garc\'{\i}a-R\'{\i}o, Y. Matsushita,
O. Mu\v skarov and
R.~V\'azquez-Lorenzo,
Hermitian Walker 4-manifolds
Journal of Geometry and Physics
58 (3) (2008), 307--323.
No. 37 (2008):
E. Garcia-Rio, S. Haze, N. Katayama, and Y.
Matsushita,
Symplectic, Hermitian and K\"ahler structures on Walker
4-manifolds
Journal
of Geometry 90 (2008), 56-65.
http://www.springerlink.com/content/h07u564l7qq494gl/?p=43934946f33d4e628ef134d157f74843&pi=3
No. 36 (2007):
Y. Matsushita,
Counterexamples of compact type to the
Goldberg conjecture and various version of the conjecture,
pp.222-233,
Proceedings of The 8th International Workshop on
Topics in
contenporary Differential Geometry, Comomplex Complex Structures and Vector
Fields ,
Sofia, Bulgaria, August 20 - 26, 2006,
ed. S. Dimiev and
K. Sekigawa, World Scientific 2007, ISBN 978-981-270-790-1
No. 35 (2007):
Y. Matsushita, S. Haze and P. R. Law,
Almost
K\"ahler-Einstein structures on 8-dimensional Walker manifolds
Monatshefte
f\"ur Mathematik 150 (2007), 41-48.
No. 34 (2007):
J. Davidov, J.C.D\'{\i}az-Ramos, E.
Garc\'{\i}a-R\'{\i}o, Y. Matsushita,
O. Mu\v skarov and
R.~V\'azquez-Lorenzo,
Almost K\"ahler Walker 4-manifolds
Journal
of Geometry and Physics 57 (2007), 1075--1088.
No. 33 (2006):
Y. Matsushita,
Four-dimensional geometric structures
and almost complex structures
--- Solvmanifolds $Sol^4_{m,n}$ (Neutral
Version) ---: III-N
JP
Journal of Geometry and Topology 6 (2) (2006), 197--210.
No. 32 (2006):
Y. Matsushita,
Four-dimensional geometric structures
and almost complex structures
--- Nilmanifolds $Nil^4$ (Neutral Version)
--- : II-N
JP Journal of
Geometry and Topology 6 (2) (2006), 183--195.
No. 31 (2006):
Y. Matsushita,
Four-dimensional manifolds with two
kinds of double almost Hermitian structures,
JP Journal of Geometry and
Topology 6 (1) (2006), 1--23.
No. 30 (2006):
Y. Matsushita,
Four-dimensional geometric structures
and almost complex structures,
Product manifolds $H^3 \times E^1$ ---
Riemannian Version ---: IV-R
JP Journal of Geometry and
Topology 6 (1) (2006), 35--44.
No. 29 (2006):
Y. Matsushita,
Four-dimensional geometric structures
and almost complex structures,
solvmanifolds $Sol^4_{m,n}$ --- Riemannian
Version ---: III-R:
JP
Journal of Geometry and Topology 6 (1) (2006), 25--33.
No. 28 (2005):
Y. Matsushita,
Four-dimensional geometric structures
and almost complex structures
General Procedure (Neutral Version) --- :
I-N,
JP Journal of
Geometry and Topology 5 (3) (2005), 251--274.
No. 27 (2005):
Y. Matsushita,
Four-dimensional geometric structures
and almost complex structures,
--- Nilmanifolds $Nil^4$ (Riemannian
Version) --- : II-R }
JP
Journal of Geometry and Topology 5 (2) (2005), 177--186.
No. 26 (2005):
Y. Matsushita,
Four-dimensional geometric structures
and almost complex structures,
General Procedure (Riemannian Version) ---
: I-R
JP Journal of
Geometry and Topology 5 (2) (2005), 155--176.
No. 25 (2005):
A. Bonome, R. Castro, L. M. Hervella and Y.
Matsushita,
Flat almost Norden metrics with nonintegrable almost complex
structures in dimension four,
JP Journal of Geometry and
Topology 5 (2) (2005), 141--153.
No. 24 (2005):
A. Bonome, R. Castro, L. M. Hervella and Y. Matsushita,
Construction of Norden structures on neutral 4-manifolds
JP Journal of Geometry and
Topology 5 (2) (2005), 121--140.
No. 23 (2005):
Iago Garc{\'\i}a-Ram{\'\i}rez, Eduardo
Garc{\'\i}a-R{\'\i}o and Y. Matsushita,
Application of Bochner-Weizenbock
formulas to symplectic and complex pairs
to be K\"ahler pairs in dimension
four,
Proceedings in honor of Professor K. Sekigawa's 60th birthday,
Topics in
Almost Hermitian Geometry and the Related Fields,
eds. Y. Matsushita,
E. Garc{\'\i}a-R{\'\i}o, H. Hashimoto, T. Koda and T. Oguro,
World
Scientific July 2005.
No. 22 (2005):
Y. Matsushita,
The existence of indefinite metrics
of signature (+ + - -) and two kinds of almost complex structures
in
dimension four,
Proceedings of The
Seventh International Workshop on Complex Structures and Vector Fields,
Plovdiv, Bulgaria, August 31 - September 4, 2004,
Contemporary Aspects
of Complex Analysis, Differential Geometry and Mathematical Physics,
ed.
S. Dimiev and K. Sekigawa, World Scientific July 2005, ISBN
978-981-256-390-3
No. 20 (2005):
Y. Matsushita,
Walker 4-manifolds with proper almost
complex structures,
Journal
of Geometry and Physics 55 (2005), 385--398.
No. 19 (2005):
M. Chaichi, E. Garc{\'\i}a-R{\'\i}o and Y. Matsushita,
Curvature properties of four-dimensional Walker metrics
Classical and Quantum
Gravity 22 (2005), 559-577.
No. 18 (2004):
Y. Matsushita,
Four-dimensional Walker metrics and
symplectic structures,
Journal
of Geometry and Physics 52 (2004), 89--99.
No.17 (2001):
Y. Matsushita and P. R. Law,
Hitchin-Thorpe Type
Inequalities for Pseudo-Riemannian 4-Manifolds of Metric Signature (++--)
Geometriae
Dedicata 87 (2001), 65--89.
No.16 (2001):
E. Garc\'{\i}a-R\'{\i}o, R. V\'azquez-Lorenzo and Y.
Matsushita,
Paraquaternionic K\"ahler Manifolds
Rocky Mountain Journal
of Mathematics 31 (2001), 237--260.
No.15 (2000):
E. Garc\'{\i}a-R\'{\i}o and Y. Matsushita,
Isotropic
K\"ahler structures on Engel 4-manifolds
Journal
of Geometry and Physics 33 (2000), 288--294.
No.14 (1997):
A. Bonome, R. Castro, E. Garc\'{\i}a-R\'{\i}o, Y.
Matsushita and L. M. Hervella,
Pseudo-Chern classes and opposite Chern
classe of indefinite almost Hermitian manifolds,
Acta
Mathematica Hungaria 75 (1997), 299--16.
No.13 (1995):
A. Bonome, R. Castro, E. Garc\'{\i}a-R\'{\i}o, Y.
Matsushita and L. M. Hervella,
K\"ahler-Einstein metrics on a K3 surface
cannot be almost K\"ahler with respect to
an opposite almost complex
structure,
Kodai
Mathematical Journal 18 (1995), 506--514.
No.12 (1995):
A. Bonome, R. Castro, E. Garc\'{\i}a-R\'{\i}o, Y.
Matsushita and L. M. Hervella,
Almost complex manifolds with holomorphic
distributions},
Rendiconti di Mathematicas (Roma) 14 (1995),
567--589.
No.11 (1995):
A. Bonome, R. Castro, E. Garc\'{\i}a-R\'{\i}o, Y.
Matsushita and L. M. Hervella,
Null holomorphically flat indefinite almost
Hermitian maniflods
Illinois Journal of Mathematics 39 (1995),
635--660.
No.10 (1995):
Y. Matsushita,
Equivalence classes of fields of
2-planes and two kinds of almost complex structures
on compact
4-dimensional manifolds},
manuscripta
mathematica 88 (1995), 409--415.
No.8 (1991):
Y. Matsushita,
Fields of 2-planes and two kinds of
almost complex structures on
compact 4-dimensional manifolds,
Mathematische
Zeitschrift 207 (1991), 281--291.
No.7 (1988):
Y. Matsushita,
Fields of 2-planes on compact simply
connected smooth 4-manifolds,
Mathematische
Annalen 280 (1988), 687--689.
No.6 (1987):
Y. Matsushita,
Pseudo-Chern classes of an almost
pseudo-Hermitian manifold},
Transactions of the
American Mathematical Society 301 (1987), 665--677.
No.5 (1985):
Y. Matsushita,
Pseudo-Pontrjagin classes,
Proceedings of the American
Mathematical Society 93 (1985), 521--524.
No.4 (1985):
N. Katayama and Y. Matsushita,
A problem on closed
orbits in a cosmological model,
Tensor (N.S.) 42 (1985), 174--178.
No.3 (1983):
Y. Matsushita,
Thorpe-Hitchin inequality for compact
Einstein 4-manifolds of metric signature (+ + - -)
and the generalized
Hirzebruch index formula},
Journal
of Mathematical Physics 24 (1983), 36--40.
No.2 (1981):
Y. Matsushita,
Inequality for the Euler characteristic
of compact Einstein 4-manifolds,
Mathematica Japonica 26 (1981),
77--79.
No.1 (1981):
Y. Matsushita
On Euler characteristics of compact
Einstein 4-manifolds of metric signature (+ + - -),
Journal
of Mathematical Physics 22 (1981), 979--82.
Y. Matsushita,
Four-dimensional geometric structures and almost complex
structures
--- Product manifolds $H^3 \times E^1$ (Neutral Version) ---:
IV-N
2009年10月18(日)-20(火)
Lectures at King Saud University, Riyadh, Saudi Arabia
Survey on Four-Dimensional Neutral Geometry,
(First Lecture at Department of Mathematics on Oct 18,
and Second Lecture for Geomerty Group on Oct 20, 2009)
2007年11月12日(月)-14日(水)
Four-dimensional neutral manifolds とその周辺,
岐阜大垣研究会，於：岐阜経済大学,
12-14 November 2006, organized by Profs. Nakanishi
and T. Morimoto,
2006年8月21(月) 〜 26(土):
Invited Plenary Talk
Almost K\"ahler-Einstein
structures on 8-dimensional Walker manifolds
Conference: ‘The 8th
International Workshop on Complex Structures and Vector Fields'
21-26
August 2006, Sofia - Bulgaria Workshop Home Page
2006年8月10日(木):
高大連携講座 『生活の中にひそむ数学および医療の中で活躍する数学』
於：滋賀県立大学 A2-201,
10:00 ?| 12:00
2006年2月18(土), 19(日):
Invited Plenary Talk
Neutral metrics of
signature (+ + - -), two kinds of almost complex
structures on
4-manifolds, and the counterexamples to the Goldberg conjecture
Conference: ‘Differential Geometry and Topology in the Perspective of
Modern Trends’
February 18-19, 2006, Dayalbagh Educational Institute (
Deemed University )
Dayalbagh, Agra 282 005, India
2006年1月25日(水)-28日(土):
4次元$(+ + -
-)$-指標の不定計量の存在条件と2種類の概複素構造および
ゴールドバーグ予想の反例について
シンポジウム「接触構造，特異点、微分方程式及びその周辺」
徳島県鳴門市「鳴門地域地場産業振興センター」
2006年1月19日(木):
4次元 (+ + - -)-計量の存在条件と概複素構造および Goldberg
予想の反例について
15:30 - 17:00 東大（駒場）数理科学研究科棟056号室 このセミナーの案内は
こちらをご覧ください． （アブストラクトはこちら）
2005年12月8日(水):
Existence of a neutral metric of signature (+ + - -) and
almost complex
structures on 4-manifolds, and the counterexample to
Goldberg conjecture
Seminar in Department of Mathematics
---
東京理科大学理工学部 ---
2005年11月24日(木)-26日(土):
The existence condition of an indefinite metric
of signature (+ + - -) on
a 4-manifold and two kinds of almost complex
structures and recent results
Conference of Symplectic Geometry and
Related Topics
--- 岐阜経済大学 --- Nov 24-26, 2005.
2005年11月10日(水):
世界物理年にちなんで：アインシュタインの相対論から 100 年
大阪天王寺ライオンズクラブ主催---
上本町 都ホテル大阪 --- Nov 10, 2005.
2005年11月9日(水):
4次元(+ + - -)-指標の不定値計量の存在条件と2種類の概複素構造について
（アブストラクト）
大阪市立大学微分幾何学セミナー
--- 大阪市立大学 --- Nov 9, 2005.
2005年9月4日(日)-10日(土):
Four-dimensional geometric structures and almost
complex structures
7th International
Conference on Geometry and Applications,
September 4--10, 2005, Varna,
Bulgaria.
At Lecture
2004年11月1日(月)-10日(水):
Application of Bochner-Weizenbock formulas to
symplectic and complex pairs
to be K\"ahler pairs in dimension four,
(in collaboration with I. Garc{\'\i}a-Ram{\'\i}rez, E.
Garc\'{\i}a-R\'{\i}o),
Topics
in Almost Hermitian Geometry and the Related Fields,
INTERNATIONAL
CONFERENCE in honor of Professor K. Sekigawa's 60th birthday,
November 1 -
3, 2004 at Niigata University, Niigata, Japan
2004年10月15日(金):
滋賀県高校教育研究会 数学部会講演『生活の中にひそむ数学』
於：国際情報高校
2004年8月30日-9月4日:
Four-dimensional Walker metrics and symplectic
structures,
Seventh
International Workshop on Complex Structures and Vector fields,
August
30 - September 4, 2004, Plovdiv, Bulgaria.
2004年6月12日(土):
平成 16 年度滋賀県立大学公開講座 県立大学で「人間学」を学ぶ：『生活の中にひそむ数学』
2004年3月8日-10日:
Four-dimensional walker metrics and two kinds of almost
complex structures
Conference of Various Geometric Structures and
Submanifold Theory
--- 名城大学, March 8 - 10, 2004.
1995年12月:
Indefinite metrics of signature (+ + - -) on 4-manifolds and
two kinds of almost complex structures,
Meeting on four-dimensional
manifolds --- 広島大学 ---
1994年7月:
Fields of 2-planes on four-dimensional compact manifolds and
almost complex structures,
Differential Geometry Seminar --- 京都大学 ---
1991年7月:
Fields of 2-planes on four-dimensional compact manifolds and
almost complex structures,
第38回 幾何学シンポジウム --- 新潟大学 ---
1989年8月:
Fields of 2-planes on four-dimensional compact manifolds,
第36回 幾何学シンポジウム --- 東北大学 ---
1982年10月:
General relativistic corrections for the space navigations
II, (2D9),
26th Conference of Space Science and Technology
第26回 宇宙科学技術連合講演会
1981年10月:
General relativistic corrections for the space navigations I,
(2D1),
25th Conference of Space Science and Technology
第25回 宇宙科学技術連合講演会
1981年8月:
Four-dimensional compact manifolds with indefinite metrics and
Euler characteristics
第28回 幾何学シンポジウム --- 山梨大学 ---
