Updated on 2025/02/24

写真b

 
MIZUSAWA Yasushi
 
*Items subject to periodic update by Rikkyo University (The rest are reprinted from information registered on researchmap.)
Affiliation*
College of Science Department of Mathematics
Graduate School of Science Doctoral Program in Mathematics
Graduate School of Science Master's Program in Mathematics
Title*
Professor
Campus Career*
  • 4 2023 - Present 
    College of Science   Department of Mathematics   Professor
  • 4 2023 - Present 
    Graduate School of Science   Master's Program in Mathematics   Professor
  • 4 2023 - Present 
    Graduate School of Science   Doctoral Program in Mathematics   Professor
Profile

Research Theme: Algebraic Number Theory

 

Research Areas

  • Natural Science / Algebra  / Number theory

Papers

  • On the Burde-de Rham theorem for finitely presented pro-p groups Peer-reviewed

    Yasushi Mizusawa, Ryoto Tange, Yuji Terashima

    International Mathematics Research Notices2025 ( 1 ) rnae267   2025

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    Language:English  

    DOI: 10.1093/imrn/rnae267

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  • On Z2-extensions unramified outside (1+√−7)/2 Peer-reviewed

    Naoki Kumakawa, Yasushi Mizusawa

    Commentarii Mathematici Universitatis Sancti Pauli72 ( 2 ) 117 - 128   2024

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  • On metabelian 2-class field towers over Z2-extensions of real quadratic fields Peer-reviewed

    Yasushi Mizusawa

    Canadian Mathematical Bulletin65 ( 3 ) 795 - 805   2022

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    Language:English  

    DOI: 10.4153/S0008439521000862

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  • On pro-p-extensions of number fields with restricted ramification over intermediate Zp-extensions Peer-reviewed

    Abdelaziz El Habibi, Yasushi Mizusawa

    Journal of Number Theory231   214 - 238   2022

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    Language:English  

    DOI: 10.1016/j.jnt.2020.12.002

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  • On various pro-p-extensions of number fields with restricted ramification --- a survey Peer-reviewed

    Yasushi Mizusawa

    RIMS Kôkyûroku BessatsuB86   107 - 119   2021

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    Language:Japanese  

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  • On p-class groups of relative cyclic p-extensions Peer-reviewed

    Yasushi Mizusawa, Kota Yamamoto

    Archiv der Mathematik117 ( 3 ) 253 - 260   2021

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    Language:English  

    DOI: 10.1007/s00013-021-01619-8

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  • On 2-adic Lie iterated extensions of number fields arising from a Joukowski map Peer-reviewed

    Yasushi Mizusawa, Kota Yamamoto

    Tokyo Journal of Mathematics44 ( 1 ) 69 - 82   2021

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    Language:English  

    DOI: 10.3836/tjm/1502179321

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  • Iwasawa invariants and linking numbers of primes Peer-reviewed

    Yasushi Mizusawa, Gen Yamamoto

    Advanced Studies in Pure Mathematics86 ( Development of Iwasawa theory - the Centennial of K. Iwasawa's Birth ) 639 - 654   2020

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    Language:English  

    DOI: 10.2969/aspm/08610639

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  • Iterated towers of number fields by a quadratic map defined over the Gaussian rationals Peer-reviewed

    Yasushi Mizusawa, Kota Yamamoto

    Proceedings of the Japan Academy, Series A, Mathematical Sciences96 ( 8 ) 63 - 68   2020

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    Language:English  

    DOI: 10.3792/pjaa.96.012

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  • On pro-p link groups of number fields Peer-reviewed

    Yasushi Mizusawa

    Transactions of the American Mathematical Society372 ( 10 ) 7225 - 7254   2019

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    Language:English  

    DOI: 10.1090/tran/7787

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  • On mod 3 triple Milnor invariants and triple cubic residue symbols in the Eisenstein number field Peer-reviewed

    Fumiya Amano, Yasushi Mizusawa, Masanori Morishita

    Research in Number Theory4   Article 7   2018

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    Language:English  

    DOI: 10.1007/s40993-018-0100-7

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  • Tame pro-2 Galois groups and the basic Z2-extension Peer-reviewed

    Yasushi Mizusawa

    Transactions of the American Mathematical Society370 ( 4 ) 2423 - 2461   2018

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    Language:English  

    DOI: 10.1090/tran/7023

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  • On certain 2-extensions of Q unramified at 2 and ∞ Peer-reviewed

    Yasushi Mizusawa

    Osaka Journal of Mathematics53 ( 4 ) 1063 - 1088   2016

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    Language:English  

    DOI: 10.18910/58876

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  • A note on semidihedral 2-class field towers and Z2-extensions Peer-reviewed

    Yasushi Mizusawa

    Annales mathématiques du Québec38 ( 1 ) 73 - 79   2014

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    Language:English  

    DOI: 10.1007/s40316-014-0013-3

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  • On tamely ramified pro-p-extensions over Zp-extensions of Q Peer-reviewed

    Tsuyoshi Itoh, Yasushi Mizusawa

    Mathematical Proceedings of the Cambridge Philosophical Society156 ( 2 ) 281 - 294   2014

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    Language:English  

    DOI: 10.1017/S0305004113000637

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  • Isometric embeddings of finite fields Peer-reviewed

    Yasushi Mizusawa, Shinya Nishikawa

    Finite Fields and Their Applications25   134 - 145   2014

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    Language:English  

    DOI: 10.1016/j.ffa.2013.09.003

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  • On the Zp-ranks of tamely ramified Iwasawa modules Peer-reviewed

    Tsuyoshi Itoh, Yasushi Mizusawa, Manabu Ozaki

    International Journal of Number Theory9 ( 6 ) 1491 - 1503   2013

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    Language:English  

    DOI: 10.1142/S1793042113500395

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  • On the Iwasawa invariants of a link in the 3-sphere Peer-reviewed

    Teruhisa Kadokami, Yasushi Mizusawa

    Kyushu Journal of Mathematics67 ( 1 ) 215 - 226   2013

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    Language:English  

    DOI: 10.2206/kyushujm.67.215

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  • On tame pro-p Galois groups over basic Zp-extensions Peer-reviewed

    Yasushi Mizusawa, Manabu Ozaki

    Mathematische Zeitschrift273 ( 3 ) 1161 - 1173   2013

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    Language:English  

    DOI: 10.1007/s00209-012-1048-2

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  • On unramified Galois 2-groups over Z2-extensions of real quadratic fields Peer-reviewed

    Yasushi Mizusawa

    Proceedings of the American Mathematical Society138 ( 9 ) 3095 - 3103   2010

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  • On the maximal unramified pro-2-extension over the cyclotomic Z2-extension of an imaginary quadratic field Peer-reviewed

    Yasushi Mizusawa

    Journal de Theorie des Nombres de Bordeaux22 ( 1 ) 115 - 138   2010

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    Language:English  

    DOI: 10.5802/jtnb.707

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  • Abelian 2-class field towers over the cyclotomic Z2-extensions of imaginary quadratic fields Peer-reviewed

    Yasushi Mizusawa, Manabu Ozaki

    Mathematische Annalen347 ( 2 ) 437 - 453   2010

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    Language:English  

    DOI: 10.1007/s00208-009-0431-8

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  • Iwasawa type formula for covers of a link in a rational homology sphere Peer-reviewed

    Teruhisa Kadokami, Yasushi Mizusawa

    Journal of Knot Theory and Its Ramifications17 ( 10 ) 1199 - 1221   2008

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    Language:English  

    DOI: 10.1142/S0218216508006580

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  • On unramified pro-p Galois groups over cyclotomic Zp-extensions --- A survey Peer-reviewed

    Yasushi Mizusawa

    RIMS Kokyuroku BessatsuB4   223 - 233   2007

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  • On the Iwasawa invariants of certain non-cyclotomic Z2-extensions Peer-reviewed

    Tsuyoshi Itoh, Shinichi Kiyofuji, Yasushi Mizusawa

    Manuscripta Mathematica118 ( 2 ) 227 - 233   2005

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    Language:English  

    DOI: 10.1007/s00229-005-0586-x

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  • On the maximal unramified pro-2-extension of Z2-extensions of certain real quadratic fields II Peer-reviewed

    Yasushi Mizusawa

    Acta Arithmetica119 ( 1 ) 93 - 107   2005

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    Language:English  

    DOI: 10.4064/aa119-1-7

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  • On the Iwasawa invariants of Z2-extensions of certain real quadratic fields Peer-reviewed

    Yasushi Mizusawa

    Tokyo Journal of Mathematics27 ( 1 ) 255 - 261   2004

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    Language:English  

    DOI: 10.3836/tjm/1244208489

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  • On the maximal unramified pro-2-extension of Z2-extensions of certain real quadratic fields Peer-reviewed

    Yasushi Mizusawa

    Journal of Number Theory105 ( 2 ) 203 - 211   2004

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    Language:English  

    DOI: 10.1016/j.jnt.2003.10.002

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  • On Greenberg's conjecture on a certain real quadratic field Peer-reviewed

    Yasushi Mizusawa

    Proceedings of the Japan Academy, Series A, Mathematical Sciences76 ( 10 ) 163 - 164   2000

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    Language:English  

    DOI: 10.3792/pjaa.76.163

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Professional Memberships

  •  
    THE MATHEMATICAL SOCIETY OF JAPAN

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Research Projects

  • 擬馴分岐ガロア拡大の岩澤理論と相互法則

    日本学術振興会  基盤研究(C) 

    水澤 靖

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    4 2022 - 3 2025

    Authorship:Principal investigator 

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  • 反復ガロア拡大の岩澤理論

    日本学術振興会  基盤研究(C) 

    水澤 靖

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    4 2017 - 3 2021

    Authorship:Principal investigator  Grant type:Competitive

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  • 数論的トポロジーに基づく岩澤理論の新展開

    日本学術振興会  若手研究(B) 

    水澤 靖

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    4 2014 - 3 2018

    Authorship:Principal investigator  Grant type:Competitive

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  • 代数体の制限分岐ガロア拡大の岩澤理論とその応用

    日本学術振興会  若手研究(B) 

    水澤 靖

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    4 2010 - 3 2013

    Authorship:Principal investigator  Grant type:Competitive

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  • 日韓整数論セミナー2011

    日本学術振興会  二国間交流事業 

    水澤 靖

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    11 2011

    Authorship:Principal investigator  Grant type:Competitive

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  • 代数体の分岐条件付ガロア群の岩澤理論的研究

    日本学術振興会  若手研究(スタートアップ) 

    水澤 靖

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    9 2008 - 3 2009

    Authorship:Principal investigator  Grant type:Competitive

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  • 代数体の類体塔に関する非可換岩澤理論の研究

    日本学術振興会  特別研究員奨励費 

    水澤 靖

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    4 2005 - 3 2007

    Authorship:Principal investigator  Grant type:Competitive

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  • 代数体の類体塔に関する非可換岩澤理論の研究

    日本学術振興会  特別研究員奨励費 

    水澤 靖

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    4 2003 - 3 2005

    Authorship:Principal investigator  Grant type:Competitive

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