日本語
 Faculty
 Division of Natural Sciences
 Research Group of Mathematics
Associate Professor
Umegaki Ichihara   Yumiko

Other faculty or department / position
Faculty of Science Department of Physics and Mathematics Courses of Mathematics
Graduate School of Humanities and Sciences Master's Course Department of Mathematics
Graduate School of Humanities and Sciences Doctoral Course School of Interdisciplinary Research of Scientific Phenomena and Information

Career
Postdoctoral Fellow, JSPS  2002/04/01-2003/09/30 
The Department of Information Engineering, Hiroshima University,
(Assistant Professor)  2003/10/01-2007/03/31 
The Department of Information Engineering, Hiroshima University,
(Assistant Professor)  2007/04/01-2010/01/31 
The Department of Information Engineering, Hiroshima University,
(Associate Professor)  2010/02/01-2010/07/31 
Faculty of Science, Nara Women's University
(Associate Professor)  2010/08/01-Present 

Graduate school
Nagoya University  Doctor later      2002/03/25  Completed  Domestic   

Academic degrees
Doctor of Mathematical Sciences  Nagoya University  2002/03 

Current research field
Algebra 

Research keywords
Analytic Number Theory 

Subject of research
Number Theory  Automorphic L function   

Scientific inquiry expense
保型 L 関数の零点の位数と特殊値  若手研究(B)  2011-2018 
保型形式から見る類数公式と L 関数の特殊値  若手研究(B)  2007-2010 
解析数論の保型 L 関数への応用  若手研究(B)  2004-2006 
View details...

Papers
Bicubic number fields with large class numbers  Various Aspects of Multiple Zeta Functions in honor of Professor Kohji Matsumoto's 60th birthday, Adv. Stud. Pure Math.  Academic Journal  Joint    2020  Y. Morita and A. Umegaki       
On the density function for the value-distribution of automorphic L-functions  Journal of Number Theory  Academic Journal  Joint  198, 176--199  2019  Kohji Matsumoto  0022-314X  10.1016/j.jnt.2018.10.008   
On the value-distribution of the difference between logarithms of two symmetric power L-functions  International Journal of Number Theory  Academic Journal  Joint  14/ 07, 2045-2081  2018/08  Kohji Matsumoto  1793-0421  10.1142/S1793042118501245   
The first moment of L-functions of primitive forms on $\Gamma_0(p^{\alpha})$ and a basis of old forms.  Journal of Number Theory  Academic Journal  Only  131/ 2, 343-362  2011    0022-314X  10.1016/j.jnt.2010.07.012   
解析を用いた整数論  数学と物理学と情報科学の研究交流シンポジウム 報告集  Other  Only    2011/03         
View details...

Research presentations
Etc.  類数の大きな 4 次拡大体について  愛知数論セミナー  2019/07/13 
Other  類数の大きな 4 次体について  小松啓一先生古希記念整数論セミナー  2019/01/12 
Etc.  On the value-distribution of the difference between logarithms of two symmetric power L-functions.  Various Aspects of Multiple Zeta Function  2017/08/25 
Etc.  保型 L 関数の対数値の平均と密度関数に関する考察  愛知数論セミナー  2017/04/22 
Etc.  On the value-distribution of the difference between logarithms of two symmetric power L-functions  RIMS Workshop 2016 Problems and prospects in Analytic Number Theory  2016/11/02 
View details...

Memberships of academic societies
日本数学会 -Present  Domestic