Researcher Database

YOSHINAGA MASAHIKO
Faculty of Science Mathematics Mathematics
Professor

Researcher Profile and Settings

Affiliation

  • Faculty of Science Mathematics Mathematics

Job Title

    Professor

URL

Research funding number

  • 90467647

Research Interests

  • topology   combinatorics   algebraic geometry   

Research Areas

  • Mathematics / Geometry

Education

  • 1996/04 - 2000/03  Kyoto University  Faculty of Science

Association Memberships

  • THE MATHEMATICAL SOCIETY OF JAPAN   

Research Activities

Published Papers

  • G-Tutte polynomials and abelian Lie group arrangements
    Ye Liu, Tan Nhat Tran, Masahiko Yoshinaga
    to appear in International Mathematics Research Notices 2019 [Refereed][Not invited]
     Research paper (scientific journal)
  • Combinatorics of certain abelian Lie group arrangements and chromatic quasi-polynomials
    Tan Nhat Tran, Masahiko Yoshinaga
    Journal of Combinatorial Theory, Series A 165 258 - 272 2019 [Refereed][Not invited]
     Research paper (scientific journal)
  • Eulerian polynomials and polynomial congruences.
    Kazuki Iijima, Kyouhei Sasaki, Yuuki Takahashi, Masahiko Yoshinaga
    Contributions to Discrete Mathematics (to appear) 2019 [Refereed][Not invited]
     Research paper (scientific journal)
  • YOSHINAGA MASAHIKO
    Journal of Combinatorial Theory, Series A 157 267 - 286 2018/03 [Refereed][Not invited]
     Research paper (scientific journal)
  • Worpitzky partitions for root systems and characteristic quasi-polynomials
    YOSHINAGA MASAHIKO
    Tohoku Mathematical Journal 70 39 - 63 2018/03 [Refereed][Not invited]
     Research paper (scientific journal)
  • Logarithmic vector fields for curve configurations in $P^2$ with quasihomogeneous singularities
    HAL SCHENCK, HIROAKI TERAO, YOSHINAGA MASAHIKO
    Mathematical Research Letters 25 (6) 1977 - 1992 2018 [Refereed][Not invited]
     Research paper (scientific journal)
  • A vanishing result for the first twisted cohomology of affine varieties and applications to line arrangements
    ALEXANDRU DIMCA, PAULINE BAILET, YOSHINAGA MASAHIKO
    manuscripta mathematica 157 (3-4) 497 - 511 2018/11 [Refereed][Not invited]
     Research paper (scientific journal)
  • Euler characteristic reciprocity for chromatic, flow and order polynomials
    TAKAHIRO HASEBE, TOSHINORI MIYATANI, YOSHINAGA MASAHIKO
    Journal of Singularities 16 212 - 227 2017/11 [Refereed][Not invited]
     Research paper (scientific journal)
  • PAULINE BAILET, YOSHINAGA MASAHIKO
    Journal of Singularities 14 74 - 90 2016/06 [Refereed][Not invited]
     Research paper (scientific journal)
  • PAULINE BAILET, YOSHINAGA MASAHIKO
    Geometriae Dedicata 175 49 - 56 2015/04 [Refereed][Not invited]
     Research paper (scientific journal)
  • MICHELE TORIELLI, YOSHINAGA MASAHIKO
    Journal of Singularities 11 33 - 51 2015/03 [Refereed][Not invited]
     Research paper (scientific journal)
  • Resonant bands, local systems and Milnor fibers of real line arrangements
    YOSHINAGA MASAHIKO
    143 - 148 2015 [Not refereed][Invited]
     Research paper (international conference proceedings)
  • YOSHINAGA MASAHIKO
    Vietnam Journal of Mathematics 42 (3) 377 - 392 2014/08 [Refereed][Not invited]
     Research paper (scientific journal)
  • 超平面配置に関する最近の話題
    HIROAKI TERAO, YOSHINAGA MASAHIKO
    66 (2) 157 - 179 2014/04 [Refereed][Invited]
     Research paper (scientific journal)
  • Freeness of hyperplane arrangements and related topics
    YOSHINAGA MASAHIKO
    Annales de la Facult\'e des Sciences de Toulouse 23 (2) 483 - 512 2014/03 [Refereed][Invited]
     Research paper (international conference proceedings)
  • Minimal stratification for line arrangements and Milnor fibers
    YOSHINAGA MASAHIKO
    114 - 121 2014 [Not refereed][Invited]
     Research paper (international conference proceedings)
  • SHAHEEN NAZIR, MICHELE TORIELLI, YOSHINAGA MASAHIKO
    Topology and its applications 178 288 - 299 2014 [Refereed][Not invited]
     Research paper (scientific journal)
  • TAKURO ABE, YOSHINAGA MASAHIKO
    Mathematische Zeitschrift 275 911 - 919 2013/12 [Refereed][Not invited]
     Research paper (scientific journal)
  • YOSHINAGA MASAHIKO
    Journal of Singularities 7 220 - 237 2013/08 [Refereed][Not invited]
     Research paper (scientific journal)
  • Minimality of hyperplane arrangements and basis of local system cohomology
    YOSHINAGA MASAHIKO
    Singularities in Geometry and Topology, Strasbourg 2009, IRMA Lectures in Mathematics and Theoretical Physics 20 345 - 362 2012 [Refereed][Invited]
     Research paper (international conference proceedings)
  • Arrangements, multiderivations, and adjoint quotient map of type ADE
    YOSHINAGA MASAHIKO
    ASPM 62 523 - 552 2012 [Refereed][Not invited]
     Research paper (international conference proceedings)
  • ITO KO-KI, YOSHINAGA MASAHIKO
    Proc. A. M. S. 140 2065 - 2074 2012 [Refereed][Not invited]
     Research paper (scientific journal)
  • YOSHINAGA MASAHIKO
    Arkiv f\"or Matematik 47 393 - 407 2009/10 [Refereed][Not invited]
     Research paper (scientific journal)
  • ABE TAKURO, YOSHINAGA MASAHIKO
    Journal of Algebra 322 2839 - 2847 2009/10 [Refereed][Not invited]
     Research paper (scientific journal)
  • On the extendability of free multiarrangements
    YOSHINAGA MASAHIKO
    Arrangements, Local Systems and Singularities: CIMPA Summer School, Galatasaray University, Istanbul, 2007. Progress in Mathematics, 283, Birkh\"auser, Basel, 2009. 273 - 281 2009 [Refereed][Invited]
     Research paper (international conference proceedings)
  • Logarithmic vector fields along smooth divisors in projective spaces.
    KAZUSHI UEDA, YOSHINAGA MASAHIKO
    Hokkaido Mathematical Journal 38 (3) 409 - 415 2009 [Refereed][Not invited]
     Research paper (scientific journal)
  • TAKURO ABE, HIROAKI TERAOYOSHINAGA MASAHIKO
    Proc. A. M. S. 137 1405 - 1410 2009 [Refereed][Not invited]
     Research paper (scientific journal)
  • The Jacobian ideal of a hyperplane arrangement.
    MAX WAKEFIELD, YOSHINAGA MASAHIKO
    Mathematical Research Letters 15 (4) 795 - 799 2008/07 [Refereed][Not invited]
  • YOSHINAGA MASAHIKO
    Topology and its applications 155 1022 - 1026 2008/04 [Refereed][Not invited]
     Research paper (scientific journal)
  • Logarithmic vector fields along smooth plane cubic curves.
    KAZUSHI UEDA, YOSHINAGA MASAHIKO
    Kumamoto Journal of Mathematics 21 11 - 20 2008/03 [Refereed][Not invited]
     Research paper (scientific journal)
  • Minimality of arrangements and applications
    YOSHINAGA MASAHIKO
    11 - 24 2008 [Not refereed][Invited]
     Research paper (international conference proceedings)
  • Hyperplane arrangements and Lefschetz's hyperplane section theorem.
    YOSHINAGA MASAHIKO
    Kodai Math. Journal 30 (2) 157 - 194 2007/06 [Refereed][Not invited]
     Research paper (scientific journal)
  • YOSHINAGA MASAHIKO
    Bulletin of the London Math. Soc. 37 126 - 134 2005/02 [Refereed][Not invited]
     Research paper (scientific journal)
  • YOSHINAGA MASAHIKO
    Inventiones Mathematicae 157 (2) 449 - 454 2004/08 [Refereed][Not invited]
     Research paper (scientific journal)
  • The primitive derivation and freeness of multi-Coxeter arrangements
    YOSHINAGA MASAHIKO
    Proc. Japan Acad. Ser. A Math. Sci. 78 (7) 116 - 119 2002/09 [Refereed][Not invited]
     Research paper (scientific journal)
  • YOSHINAGA MASAHIKO
    Proc. Japan Acad. Ser. A Math. Sci. 82 (10) 179 - 182 2006 [Refereed][Not invited]
     Research paper (scientific journal)
  • ABE TAKURO, YOSHINAGA MASAHIKO
    Proc. A. M. S. 136 1887 - 1891 2008/02 [Refereed][Not invited]
     Research paper (scientific journal)

Conference Activities & Talks

  • Double coverings of arrangement complement and 2-torsion in Milnor fiber homology.   [Not invited]
    YOSHINAGA MASAHIKO
    Workshop in CIMPA - IMH Research School, HYPERPLANE ARRANGEMENTS: RECENT ADVANCES AND OPEN PROBLEMS, Hanoi  2019/03
  • On free hyperplane arrangements and Terao’s conjecture. (6 hours lectures)  [Invited]
    YOSHINAGA MASAHIKO
    CIMPA - IMH Research School, HYPERPLANE ARRANGEMENTS: RECENT ADVANCES AND OPEN PROBLEMS. Hanoi,  2019/03
  • Matroids, Tutte polynomial, and generalizations  [Invited]
    YOSHINAGA MASAHIKO
    Free divisor and hyperplane arrangements  2018/12
  • G-Tutte polynomials and abelian Lie group arrangements  [Invited]
    YOSHINAGA MASAHIKO
    The 6th Franco–Japanese–Vietnamese Symposium on Singularites  2018/09
  • Introduction to Catalan arrangements  [Invited]
    YOSHINAGA MASAHIKO
    SUMMER SCHOOL – NEW PERSPECTIVES IN HYPERPLANE ARRANGEMENTS  2018/09
  • Tutte polynomials in Geometry and Combinatorics  [Not invited]
    YOSHINAGA MASAHIKO
    Branched Coverings, Degenerations, and Related Topics 2018  2018/03
  • How many homomorphisms are expected? A motivation for G-Tutte polynomials.  [Not invited]
    YOSHINAGA MASAHIKO
    A walk between hyperplane arrangements, computer algebra and algorithms.  2018/02
  • G-Tutte polynomials  [Invited]
    YOSHINAGA MASAHIKO
    Matroids over Hyperfields  2017/08
  • G-Tutte polynomials  [Not invited]
    YOSHINAGA MASAHIKO
    Advances in Hyperplane Arrangements  2017/08
  • Remarks on characteristic quasi-polynomials of deformed Weyl arrangements  [Invited]
    YOSHINAGA MASAHIKO
    Mathematical Congress of the Americas 2017, Session ``Advances in Arrangement Theory''  2017/07
  • G-Tutte polynomials  [Invited]
    YOSHINAGA MASAHIKO
    Encounter in Topology 'n Algebra (ET'nA 2017)  2017/06
  • Characteristic polynomials of Linial arrangements.  [Invited]
    YOSHINAGA MASAHIKO
    Oberseminar Lie Theorie  2017/05
  • Characteristic polynomials of Linial arrangements  [Invited]
    YOSHINAGA MASAHIKO
    Mathematics and String Theory Seminar, Kavli IPMU  2017/02
  • Around the h-shift problem  [Not invited]
    YOSHINAGA MASAHIKO
    Hyperplane Arrangements and related topics  2017/02
  • Characteristic polynomials of hyperplane arrangements  [Invited]
    YOSHINAGA MASAHIKO
    Colloquium, Fribourg University  2016/11
  • The Euler characteristic reciprocity for order polynomials  [Invited]
    YOSHINAGA MASAHIKO
    The 4th Franco-Japanese-Vietnamese Singularities  2016/11
  • What makes roots lying on a line?  [Invited]
    YOSHINAGA MASAHIKO
    Combinatorial Structures in Algebra, Geometry and Topology.  2016/10
  • The Euler characteristic reciprocity for order polynomials  [Invited]
    YOSHINAGA MASAHIKO
    Enumerative, algebraic and geometric aspects of arrangements, Bremen University  2016/08
  • Hyperplane arrangements and the Eulerian polynomial  [Invited]
    YOSHINAGA MASAHIKO
    Summer Conference on Hyperplane Arrangements(SCHA) in Sapporo  2016/08
  • Euler characteristics in enumerative combinatorics  [Invited]
    YOSHINAGA MASAHIKO
    Asian Mathematical Conference (AMC 2016), Bali  2016/07

Educational Activities

Teaching Experience

  • Linear Algebra I
    開講年度 : 2017
    課程区分 : 学士課程
    開講学部 : 全学教育
    キーワード : 行列, 連立1次方程式, 基本変形, 階数, 行列式, 逆行列
  • Linear Algebra II
    開講年度 : 2017
    課程区分 : 学士課程
    開講学部 : 全学教育
    キーワード : ベクトル空間, 線形写像, 線形独立, 基底, 固有値, 固有ベクトル, 対角化
  • Exercises on Algebra A
    開講年度 : 2017
    課程区分 : 学士課程
    開講学部 : 理学部
    キーワード : 環と加群,一意分解整域,単項イデアル整域, 単項イデアル整域上の有限生成加群,単因子


Copyright c MEDIA FUSION Co.,Ltd. All rights reserved.