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 

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 
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Papers
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         
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         
Non-vanishing of the value of L-functions attached to primitive forms at a fixed point on the critical line  数理解析研究所講究録  Bulletin of Universities and Institutes  Only  1710, 29-41  2010         
保型 L 関数の critical line 上の点における non-vanishing について  早稲田大学整数論研究集会 2010 報告集  Other  Only  100-109  2010/11         
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Research presentations
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 
Etc.  On the value-distribution of the difference between logarithms of two symmetric power L-functions.  ASPECTS OF UNIVERSALITY 2016  2016/05/06 
Etc.  保型 L 関数の対数値の平均と密度関数  早稲田整数論セミナー  2015/07/31 
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Memberships of academic societies
日本数学会 -Present  Domestic