WATANABE Takao

J-GLOBAL         Last updated: Oct 10, 2019 at 03:21
 
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Name
WATANABE Takao
Degree
(BLANK)(Tohoku University)

Research Areas

 
 

Academic & Professional Experience

 
1989
 - 
1993
Tohoku University, College of General Education, Lecturer
 
1987
 - 
1989
Tohoku University, Research Assistant
 

Education

 
 
 - 
1987
Graduate School, Division of Natural Science, Tohoku University
 
 
 - 
1984
Faculty of Science, Niigata University
 

Published Papers

 
Appendix of "Fundamental domains of arithmetic quotients of reductive groups over number fields"
WATANABE Takao
Pacific Journal of Mathematics   290(1) 164-167   Sep 2017   [Refereed]
Ryshkov domains of reductive algebraic groups
WATANABE Takao
Pacific Journal of Mathematics   270(1) 237-255   Aug 2014   [Refereed]
Perfect unary forms over certain cubic fields
WATANABE Takao, KOMATSU Hiroyuki
International Journal of Number Theory   10(5) 1337-1442   Jul 2014   [Refereed]
Voronoi's reduction theory of GL(n) over a totally real number field
WATANABE Takao, YANO Syouji, Hayashi Takuma
Contemporary Mathematics   587 213-232   Apr 2013   [Refereed]
A survey on Voronoi's theorem
WATANABE Takao
Geometry and Analysis of Automorphic Forms of Several Variables   334-377   Aug 2011   [Refereed]
Type one functions and Voronoi's theorem
WATANABE Takao, SAWATANI Kazuomi
Journal of Convex Analysis   18(2) 341-351   2011   [Refereed]
A note on the Hermite-Rankin constant
AWATANI Kazuomi, WATANABE Takao, OKUDA Kenji
Journal de Theorie des Nobmbres de Bordeaux   22 209-217   Jun 2010   [Refereed]
A bound of the number of reduced Arakelov divisors of a number field
WATANABE Takao, YOSHIMITU Ryusuke
Contemporary Mathemathics   493 399-408   Sep 2009   [Refereed]
WATANABE Takao
Monatshefte Math.   149(2) 155-172   2006   [Refereed]
Hermite constant and Voronoi theory over a quaternion skew field
WATANABE Takao, Renaud Coulangeon
Osaka Journal of Mathematics   43 517-556   2006   [Refereed]

Misc

 
Hermite's constant and rational points on flag varieties
WATANABE Takao
1319 211-219   2003
On generalized Hermite constants
WATANABE Takao
1200 65-70   2001
Bump, Friedberg, Hoffstein's work on nonvanishing theorems for L-functions
WATANABE Takao
182-209   1999

Conference Activities & Talks

 
Fundamental domains of arithmetic quotients of reductive groups [Invited]
WATANABE Takao
Lattices and Applications in Number Theory   Jan 2016   
Linear and non-linear reduction theories of GL(n) [Invited]
WATANABE Takao
Mar 2015   
Fundamental domains of arithmetic quotients of reductive groups [Invited]
WATANABE Takao
Integral Quadratic Forms and Related Topics   Aug 2014   
Constructions of fundamtental domains of arithmetic quotients of reductive groups
WATANABE Takao
Sep 2013   
Polyhedral reduction of Humbert forms over a totally real number field [Invited]
WATANABE Takao
Banff Workshop on "Diophantine Methods, Lattices, and Arithmetic Theory of Quadratic Forms   Nov 2011   
Polyhedral reduction of GL(n) over a totally real number field
WATANABE Takao
14th Hakuba Autumn Workshop, Reduction Theory and Applications to Automorphic Forms   Nov 2011   
Values of 8-dimensional Hermite-Rankin constants [Invited]
WATANABE Takao
First joint meeting, American Mathematical Society, Sociedad de Mathematica de Chile   Dec 2010   
On Voronoi's theorem and related problems [Invited]
WATANABE Takao
Geometry and Analysis of Automorphic Forms of Several Variables   Sep 2009   
On the best bound of the minimal twisted height of linear subspaces [Invited]
WATANABE Takao
Second COE Workshop on Sphere Packing (九州大学)   Jun 2005   
Minkowski's second theorem over a simple algebra [Invited]
WATANABE Takao
Gittur und Anwendungen (Mathematisches Forschungsinstitut Overwolfach)   Jan 2005   

Research Grants & Projects

 
Adele geometry
Lattices and Quadratic Forms