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MIZUNO Yoshinori
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From School
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Shizuoka University Faculty of Science Graduated
1995.04 - 1999.03
Country：Japan
From Graduate School
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Osaka University Graduate School, Division of Natural Science Doctor's Course Completed
2001.04 - 2005.03
Country：Japan
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Osaka University Graduate School, Division of Natural Science Master's Course Completed
1999.04 - 2001.03
External Career
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東北大学 集中講義「種の指標L関数の明示式とその応用」 理学研究科 非常勤講師
2019
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Professor at the Faculty of ---, the University of Tokushima.
2008.04
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Professor at the Faculty of ---, the University of Tokushima.
2006.04
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徳島県 数学オリンピック講習会(オンライン) 講師
2022.09
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徳島県 数学オリンピック講習会(オンライン) 講師
2021.09
Papers
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ヤコビ・アイゼンシュタイン級数のピーターソン・ノルムとグロス・コーネン・ ザギエ公式
水野義紀
第１６回福岡数論研究集会報告集 2025
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Congruences for class numbers of Q(±√2p) when p≡ 3 (mod 4) is prime Reviewed International coauthorship
Yoshinori Mizuno, Jigu Kim
The Ramanujan Journal 64 ( 4 ) 1179 - 1197 2024.05
Language：English Publishing type：Research paper (scientific journal)
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A certain character twisted average value of the digits of rational numbers and the class numbers of imaginary quadratic fields Reviewed
Yoshinori Mizuno
Acta Arithmetica 208 ( 3 ) 215 - 233 2023.08
Language：English Publishing type：Research paper (scientific journal)
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Congruences for odd class numbers of quadratic fields with odd discriminant Reviewed
Yoshinori Mizuno, Jigu Kim
The Ramanujan Journal 60 ( 4 ) 939 - 963 2023.04
Language：English Publishing type：Research paper (scientific journal)
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On Hutchinson's conjecture
Yoshinori Mizuno
RIMS Kokyuroku 2264 157 - 172 2023
Language：English Publishing type：Research paper (conference, symposium, etc.)
Other Link： https://www.kurims.kyoto-u.ac.jp/~kyodo/kokyuroku/contents/2264.html
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Koecher-Maass series associated to Hermitian modular forms of degree 2 and a characterization of cusp forms by the Hecke bound Reviewed
Yoshinori Mizuno, Roland Matthes
Journal of Mathematical Analysis and Applications 509 ( 1 ) 125904 2022.05
Language：English Publishing type：Research paper (scientific journal)
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Congruences relating class numbers of quadratic orders and Zagier's sums Reviewed
Yoshinori Mizuno
Journal of Number Theory 227 352 - 370 2021.10
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Genus character L-functions of quadratic orders and class numbers Reviewed
Yoshinori Mizuno, Masanobu Kaneko
Journal of the London Mathematical Society Vol.102 69 - 98 2020
Language：English Publishing type：Research paper (scientific journal)
DOI： 10.1112/jlms.12313
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Petersson norms of Eisensteisn series and Kohnen-Zagier's formula Reviewed
Yoshinori Mizuno
Journal de Theorie des Nombres de Bordeaux 32 ( 3 ) 665 - 684 2020
Language：English Publishing type：Research paper (scientific journal)
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Rankin-Selberg convolutions of non-cuspidal half-integral weight Maass forms in the plus space Reviewed
Yoshinori Mizuno
Nagoya Mathematical Journal Vol.237 127 - 165 2020
Language：English Publishing type：Research paper (scientific journal)
DOI： 10.1017/nmj.2018.15
Misc
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Dirichlet series of 3 variables and Koecher-Maass series of non-holomorphic Siegel-Eisenstein series (Modular forms and automorphic representations)
1973 76 - 91 2015.11
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Explicit formulas for the twisted Koecher-Maass series for the Saito-Kurokawa lift and their applications (Automorphic representations, automorphic $L$-functions and arithmetic)
Katsurada Hidenori, Mizuno Yoshinori
RIMS Kokyuroku 1659 47 - 58 2009.07
Language：English Publisher：Kyoto University
Other Link： http://hdl.handle.net/2433/140935
Presentations
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Mitsui's Dirichlet series for Hermitian matrices Invited International coauthorship International conference
Yoshinori Mizuno
International Conference on Class Groups of Number Fields and Related Topics-2024, Nobember 20-24, 2024, Odhisa, India 2024.11
Event date： 2024.11
Language：English Presentation type：Oral presentation (invited, special)
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Mitsui's Dirichlet series for Hermitian matrices Invited International coauthorship International conference
Yoshinori Mizuno
RIMS Workshop 2024 ``Analytic Number Theory and Related Topics" 2024.10
Event date： 2024.10
Language：English Presentation type：Oral presentation (general)
Country：Japan
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ヤコビ・アイゼンシュタイン級数のピーターソン・ノルムとグロス・コーネン・ ザギエ公式 Invited
水野義紀
第１６回福岡数論研究集会 2024.08 金子 昌信, 権 寧魯, 岸 康弘, 松坂 俊輝
Event date： 2024.08
Language：Japanese Presentation type：Oral presentation (invited, special)
Venue：九州大学 Country：Japan
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エルミート行列の分割問題に付随する三井のディリクレ級数について Invited International coauthorship
水野義紀
名城大学談話会 2023.12 大西良博
Event date： 2023.12
Language：Japanese Presentation type：Oral presentation (invited, special)
Venue：名城大学 Country：Japan
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行列指数のヤコビ・アイゼンシュタイン級数に付随する2変数ディリクレ級数
Yoshinori Mizuno
「数論合同セミナー」, 京都大学 2015.10
Language：Japanese
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行列指数のヤコビ・アイゼンシュタイン級数に付随する2変数ディリクレ級数
Yoshinori Mizuno
「概均質セミナー」, 早稲田大学 2015.10
Language：Japanese
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虚二次体の類数のはなし Invited
水野義紀
令和４年度徳島数学談話会（冬の会）（Web会議) 2022.01
Language：Japanese Presentation type：Oral presentation (general)
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二元二次形式の類数の自乗に付随するディリクレ級数について
Yoshinori Mizuno
第5回ゼータ若手研究集会, 名古屋大学 2012.02
Language：Japanese
Scientific Research Funds Acquisition Results
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モジュラー形式の正規化ノルムおよび関連する整数論
Grant number：22K03230 2022.04 - 2026.03
日本学術振興会 科学研究費助成事業 基盤研究(C)
水野 義紀
Grant amount：\4160000 （ Direct Cost: \3200000 、 Indirect Cost：\960000 ）
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カトック・サルナック型対応とその応用
Grant number：17K05175 2017.04 - 2021.03
Grants-in-Aid for Scientific Research
水野 義紀
Grant type：Competitive
Grant amount：\4680000 （ Direct Cost: \3600000 、 Indirect Cost：\1080000 ）
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Sutudy of modular forms by Koecher-Maass series
Grant number：25800021 2013.04 - 2017.03
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B)
Mizuno Yoshinori
Grant amount：\4160000 （ Direct Cost: \3200000 、 Indirect Cost：\960000 ）
1. We study a kernel function of the twisted symmetric square L-function of elliptic modular forms, and compute several exact special values of the L-function. We also succeed to determine some special values of the convolution product of two Eisenstein series of half-integral weight. 2. We give a characterization of degree 2 Hermitian cusp forms by the growth of their Fourier coefficients. 3. We give an explicit form of genus character L-functions. As an application, we generalize the formula due to Hirzebruch-Zagier on the class number of imaginary quadratic fields in term of the continued fraction expansion. 4. We give analytic properties of the Koecher-Maass series of non-holomorphic Siegel-Eisenstein series. It turned out that the series has a relation with Weyl group multiple Dirichlet series. 5. Katok-Sarnak type result for the Eisenstein series on higher dimensional hyperbolic space is established.
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Study of Eisenstein series and related Dirichlet series
Grant number：23740021 2011.04 - 2013.03
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B)
MIZUNO Yoshinori
Grant amount：\2600000 （ Direct Cost: \2000000 、 Indirect Cost：\600000 ）
We study several Dirichlet series associated to modular forms of degree one or two. First, we discovered a new application of Koecher-Maass series of Siegel modular forms. Namely we got a new proof of recent result of Kohnen and Martin on a characterization of degree 2 Siegel cusp forms by the growth of their Fourier coefficients. Our main tools are Koecher-Maass series. Second, we gave some new construction of holomorphic kernel functions of modular L-functions. Using this, we can compute special L-values numericallyrather easily .
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Arithmetic study of modular forms belonging to the Maass space
Grant number：21840036 2009.04 - 2011.03
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Research Activity Start-up
YOSHINORI Mizuno
Grant amount：\1911000 （ Direct Cost: \1470000 、 Indirect Cost：\441000 ）
We determined a proportional constant which appeares in three dimensional analogue of the Katok-Sarnak type formula.
We studied p-adic Hermitian-Eisenstein series of low weight by using Hecke's convergent factor.
We expressed average values of Eisenstein series over CM points on n-dimensional hyperbolic space in terms of a Dirichlet series whose coefficients are the number of the solutions of quadratic congruences.
We gave a good definition of Koecher-Maass series for indefinite Fourier coefficients of real analytic Siegel-Eisenstein series of degree 2 and weight 2. We then proved a meromorphic continuation and a functional equation of the Koecher-Maass series.