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Sugiyama Yoshie
杉山　由恵
Sugiyama Yoshie
杉山　由恵
Graduate School of Information Science and Technology　Department of Pure and Applied Mathematics, Professor

keyword Keller-Segel系

Committee Memberships 10

  1. 日本学術会議　数理科学委員会 数学分科会

    2014 - Present

  2. 大阪公立大学数学研究所　拠点運営委員会および課題選考委員会委員

    2023/04 - 2027/03

  3. 大阪大学大学院情報科学研究科　情報基礎数学専攻・専攻長

    2025/04 - 2026/03

  4. 九州大学マス・フォア・インダストリ研究所　「産業数学の先進的・基礎的共同研究拠点」運営委員会委員

    2024/04 - 2026/03

  5. 明治大学先端数理科学インスティテュート　共同利用・共同研究拠点「現象数理学研究拠点」運営員会委員

    2022/04 - 2026/03

  6. 京都大学数理解析研究所　専門委員会

    2021/09 - 2025/08

  7. 大阪大学大学院医学系研究科・医学部　兼任教員

    2023/04 - 2025/03

  8. 大阪大学大学院情報科学研究科　情報基礎数学専攻・専攻長

    2023/04 - 2024/03

  9. 大阪大学大学院情報科学研究科　情報基礎数学専攻・専攻長

    2022/04 - 2023/03

  10. 大阪大学大学院情報科学研究科　情報基礎数学専攻・専攻長

    2020/04 - 2021/03

Professional Memberships 1

  1. 日本数学会

Research Areas 1

  1. Natural sciences / Mathematical analysis /

Papers 44

  1. Deep learning-based fine-grained assessment of aneurysm wall characteristics using 4D-CT angiography

    T. Kumrai, T. Maekawa, Y. Chen, Y. Sugiyama, M. Takagaki, S. Yamashiro, K., Takizawa, T. Ichinose, F. Ishida, H. Kishima

    2025/05

  2. On Well-Posedness and Spatio-Temporal Pointwise Decay Property of Mild Solutions for Drift-Diffusion Equation

    M. Miura, K. Shibata and Y. Sugiyama

    2025

  3. Time global existence and finite time blow-up criterion for solutions to the Keller-Segel system coupled with the Navier-Stokes fluid

    H. Kozono, Masanari Miura, Yoshie Sugiyama

    Journal of Differential Equations　Vol. 267　No. 9　p. 5410-5492　2019/10/15　Research paper (scientific journal)

  4. Compactly Supported Stationary States of the Degenerate Keller-Segel System in the Diffusion-Dominated Regime

    Jose A. Carrillo, Yoshie Sugiyama

    INDIANA UNIVERSITY MATHEMATICS JOURNAL　Vol. 67　No. 6　p. 2279-2312　2018　Research paper (scientific journal)

  5. Uniqueness theorem on weak solutions to the Keller–Segel system of degenerate and singular types

    Tatsuki Kawakami, Yoshie Sugiyama

    Journal of Differential Equations　Vol. 260　No. 5　p. 4683-4716　2016/03/05　Research paper (scientific journal)

  6. Existence and uniqueness theorem on mild solutions to the Keller-Segel system coupled with the Navier-Stokes fluid

    Hideo Kozono, Masanari Miura, Yoshie Sugiyama

    Journal of Functional Analysis　Vol. 270　No. 5　p. 1663-1683　2016/03/01　Research paper (scientific journal)

  7. Partial regularity and blow-up asymptotics of weak solutions to degenerate parabolic systems of porous medium type

    Yoshie Sugiyama

    Manuscripta Mathematica　Vol. 147　No. 3-4　p. 311-363　2015/07/27　Research paper (scientific journal)

  8. On uniqueness theorem on weak solutions to the parabolic-parabolic Keller-Segel system of degenerate and singular types

    Masanari Miura, Yoshie Sugiyama

    Journal of Differential Equations　Vol. 257　No. 11　p. 4064-4086　2014/12/01　Research paper (scientific journal)

  9. Global solutions to a chemotaxis system with non-diffusive memory

    Y. Sugiyama, Y. Tsutsui, J. J.L. Velázquez

    Journal of Mathematical Analysis and Applications　Vol. 410　No. 2　p. 908-917　2014/02/15　Research paper (scientific journal)

  10. Multiple peak aggregations for the Keller-Segel system

    Yukihiro Seki, Yoshie Sugiyama, Juan J. L. Velazquez

    NONLINEARITY　Vol. 26　No. 2　p. 319-352　2013/02　Research paper (scientific journal)

  11. Existence and uniqueness theorem on weak solutions to the parabolic-elliptic Keller-Segel system

    Hideo Kozono, Yoshie Sugiyama, Yumi Yahagi

    Journal of Differential Equations　Vol. 253　No. 7　p. 2295-2313　2012/10/01　Research paper (scientific journal)

  12. Finite speed of propagation in 1-D degenerate Keller-Segel system

    Yoshie Sugiyama

    Mathematische Nachrichten　Vol. 285　No. 5-6　p. 744-757　2012/04　Research paper (scientific journal)

  13. Existence and uniqueness theorem on mild solutions to the Keller-Segel system in the scaling invariant space

    Hideo Kozono, Yoshie Sugiyama, Takuya Wachi

    Journal of Differential Equations　Vol. 252　No. 2　p. 1213-1228　2012/01/15　Research paper (scientific journal)

  14. Measure Valued Solutions of the 2D Keller-Segel System

    S. Luckhaus, Y. Sugiyama, J. J.L. Velázquez

    Archive for Rational Mechanics and Analysis　Vol. 206　No. 1　p. 31-80　2012　Research paper (scientific journal)

  15. Uniqueness and continuity of solution for the initial data in the scaling invariant class of the degenerate Keller-Segel system

    Yoshie Sugiyama, Yumi Yahagi

    Journal of Evolution Equations　Vol. 11　No. 2　p. 319-337　2011/06　Research paper (scientific journal)

  16. Extinction, decay and blow-up for Keller-Segel systems of fast diffusion type

    Yoshie Sugiyama, Yumi Yahagi

    Journal of Differential Equations　Vol. 250　No. 7　p. 3047-3087　2011/04　Research paper (scientific journal)

  17. Self-similar blow up with a continuous range of values of the aggregated mass for a degenerate keller-segel system

    Y. Sugiyama, J. J.L. Velázquez

    Advances in Differential Equations　Vol. 16　No. 1-2　p. 85-112　2011　Research paper (scientific journal)

  18. Uniqueness and regularity of weak solutions for the 1-D degenerate KellerSegel systems

    Yoshie Sugiyama

    Nonlinear Analysis, Theory, Methods and Applications　Vol. 73　No. 7　p. 2230-2244　2010/10/01　Research paper (scientific journal)

  19. Blow-up criterion via scaling invariant quantities with effect on coefficient growth in Keller-Segel system

    Yoshie Sugiyama

    Differential and Integral Equations　Vol. 23　No. 7-8　p. 619-634　2010/07　Research paper (scientific journal)

  20. Asymptotic profile of blow-up solutions of Keller-Segel systems in super-critical cases

    Yoshie Sugiyama

    Differential and Integral Equations　Vol. 23　No. 7-8　p. 601-618　2010/07　Research paper (scientific journal)

  21. Strong solutions to the Keller-Segel system with the weak L n<inf>2</inf> initial data and its application to the blow-up rate

    Hideo Kozono, Yoshie Sugiyama

    Mathematische Nachrichten　Vol. 283　No. 5　p. 732-751　2010/05　Research paper (scientific journal)

  22. Non-existence of finite-time self-similar solutions of the Keller-Segel system in the scaling invariant class

    Hideo Kozono, Yoshie Sugiyama, Ryo Takada

    Journal of Mathematical Analysis and Applications　Vol. 365　No. 1　p. 60-66　2010/05/01　Research paper (scientific journal)

  23. ε-Regularity theorem and its application to the blow-up solutions of Keller-Segel systems in higher dimensions

    Yoshie Sugiyama

    Journal of Mathematical Analysis and Applications　Vol. 364　No. 1　p. 51-70　2010/04　Research paper (scientific journal)

  24. Aronson-Bénilan type estimate and the optimal Hölder continuity of weak solutions for the 1-D degenerate Keller-Segel systems

    Yoshie Sugiyama

    Revista Matematica Iberoamericana　Vol. 26　No. 3　p. 891-913　2010　Research paper (scientific journal)

  25. Global strong solution to the semi-linear Keller-Segel system of parabolic-parabolic type with small data in scale invariant spaces

    Hideo Kozono, Yoshie Sugiyama

    Journal of Differential Equations　Vol. 247　No. 1　p. 1-32　2009/07/01　Research paper (scientific journal)

  26. Interfaces for 1-D degenerate keller-segel systems

    Yoshie Sugiyama

    Journal of Evolution Equations　Vol. 9　No. 1　p. 123-142　2009/05　Research paper (scientific journal)

  27. Partial regularity and its application to the blow-up asymptotics of parabolic systems modelling chemotaxis with porous medium diffusion

    Yoshie Sugiyama

    NONCOMMUTATIVITY AND SINGULARITIES: PROCEEDINGS OF FRENCH-JAPANESE SYMPOSIA HELD AT IHES IN 2006　Vol. 55　p. 137-160　2009　Research paper (international conference proceedings)

  28. On e-regularity theorem and asymptotic behaviors of solutions for keller-se gel systems

    Yoshie Sugiyama

    SIAM Journal on Mathematical Analysis　Vol. 41　No. 4　p. 1664-1692　2009　Research paper (scientific journal)

  29. Local existence and finite time blow-up of solutions in the 2-D Keller-Segel system

    Hideo Kozono, Yoshie Sugiyama

    Journal of Evolution Equations　Vol. 8　No. 2　p. 353-378　2008/05　Research paper (scientific journal)

  30. The Keller-Segel system of parabolic-parabolic type with initial data in weak Ln/2(ℝn) and its application to self-similar solutions

    Hideo Kozono, Yoshie Sugiyama

    Indiana University Mathematics Journal　Vol. 57　No. 4　p. 1467-1500　2008　Research paper (scientific journal)

  31. TIME GLOBAL EXISTENCE AND ASYMPTOTIC BEHAVIOR OF SOLUTIONS TO DEGENERATE QUASI-LINEAR PARABOLIC SYSTEMS OF CHEMOTAXIS

    Yoshie Sugiyama

    DIFFERENTIAL AND INTEGRAL EQUATIONS　Vol. 20　No. 2　p. 133-180　2007/02　Research paper (scientific journal)

  32. Application of the best constant of the Sobolev inequality to degenerate Keller-Segel models

    Yoshie Sugiyama

    Advances in Differential Equations　Vol. 12　No. 2　p. 121-144　2007　Research paper (scientific journal)

  33. Asymptotic profile with the optimal convergence rate for a parabolic equation of chemotaxis in super-critical cases

    Stephan Luckhaus, Yoshie Sugiyama

    Indiana University Mathematics Journal　Vol. 56　No. 3　p. 1279-1297　2007　Research paper (scientific journal)

  34. Global existence and decay properties for a degenerate Keller-Segel model with a power factor in drift term

    Yoshie Sugiyama, Hiroko Kunii

    JOURNAL OF DIFFERENTIAL EQUATIONS　Vol. 227　No. 1　p. 333-364　2006/08

  35. GLOBAL EXISTENCE IN SUB-CRITICAL CASES AND FINITE TIME BLOW-UP IN SUPER-CRITICAL CASES TO DEGENERATE KELLER-SEGEL SYSTEMS

    Yoshie Sugiyama

    DIFFERENTIAL AND INTEGRAL EQUATIONS　Vol. 19　No. 8　p. 841-876　2006/08　Research paper (scientific journal)

  36. Large time behavior of solutions in super-critical cases to degenerate Keller-Segel systems

    Stephan Luckhaus, Yoshie Sugiyama

    Mathematical Modelling and Numerical Analysis　Vol. 40　No. 3　p. 597-621　2006　Research paper (scientific journal)

  37. Global existence and decay properties of solutions for some degenerate quasilinear parabolic systems modelling chemotaxis

    Yoshie Sugiyama

    Nonlinear Analysis, Theory, Methods and Applications　Vol. 63　No. 5-7　p. E1051-E1062　2005/11/30　Research paper (international conference proceedings)

  38. Lipschitz continuous solutions of some doubly nonlinear parabolic equations

    Mitsuharu Ôtani, Yoshie Sugiyama

    Discrete and Continuous Dynamical Systems　Vol. 8　No. 3　p. 647-670　2002　Research paper (scientific journal)

  39. C∞-solutions of some degenerate parabolic equations

    M. Ôtani, Y. Sugiyama

    Nonlinear Analysis, Theory, Methods and Applications　Vol. 47　No. 5　p. 3171-3181　2001/08　Research paper (scientific journal)

  40. A method of energy estimates in L∞ and its application to porous medium equations

    Mitsuharu Ôtani, Yoshie Sugiyama

    Journal of the Mathematical Society of Japan　Vol. 53　No. 4　p. 745-789　2001　Research paper (scientific journal)

  41. Studies on Cerebral Protective Agents. VI.1) Synthesis of Novel 4-(4-Nitrobenzoyl)pyrimidine and Related Compounds with Anti-anoxic Activity

    Mitsuru Ohkubo, Atsushi Kuno, Hiroyoshi Sakai, Yoshie Sugiyama, Hisashi Takasugi

    Chemical and Pharmaceutical Bulletin　Vol. 42　No. 6　p. 1279-1285　1994　Research paper (scientific journal)

  42. Studies on Cerebral Protective Agents. III. Novel 4-Arylpyrimidine Derivatives with Anti-anoxic and Anti-lipid Peroxidation Activities. (3)

    Atsushi Kun, Kiyotaka Katsuta, Hiroyoshi Sakai, Mitsuru Ohkubo, Yoshie Sugiyama, Hisashi Takasugi

    Chemical and Pharmaceutical Bulletin　Vol. 41　No. 1　p. 139-147　1993　Research paper (scientific journal)

  43. Studies on Cerebral Protective Agents. IV. Synthesis of Novel 4-Arylpyridine and 4-Arylpyridazine Derivatives with Anti-anoxic Activity

    Atsushi Kuno, Hiroyoshi Sakai, Yoshie Sugiyama, Hisashi Takasugi

    Chemical and Pharmaceutical Bulletin　Vol. 41　No. 1　p. 156-162　1993　Research paper (scientific journal)

  44. Studies on Cerebral Protective Agents: I: 1) Novel 4-Arylpyrimidine Derivatives with Anti-anoxic and Anti-lipid Peroxidation Activities

    Atsushi Kunc, Yoshie Sugiyama, Kiyotaka Katsuta, Toshiharu Kamitani, Hisashi Takasugi

    Chemical and Pharmaceutical Bulletin　Vol. 40　No. 6　p. 1452-1461　1992　Research paper (scientific journal)

Misc. 12

  1. 微分方程式を導出する : 偏微分方程式 (特集 微分方程式の考え方 : 無限小から現象の全体像を見る)

    杉山 由恵

    数理科学　Vol. 56　No. 11　p. 14-20　2018/11

    Publisher: サイエンス社

  2. Compactly supported stationary states of the degenerate Keller-Segel system in the diffusion-dominated regime

    José A. Carrillo, Yoshie Sugiyama

    2016/12/16

  3. Multiple points blow-up for the Keller-Segel system (New Role of the Theory of Abstract Evolution Equations : From a Point of View Overlooking the Individual Partial Differential Equations)

    Seki Yukihiro, Sugiyama Yoshie, Velazquez Juan J. L.

    RIMS Kokyuroku　Vol. 1892　No. 1892　p. 21-28　2014/04

    Publisher: Kyoto University

  4. Multiple peak aggregations for the Keller-Segel system

    Yukihiro Seki, Yoshie Sugiyama, Juan J. L. Velázquez

    2012/03/05

  5. Asymptotic stability of stationary solutions to degenerate Keller-Segel systems in sub-critical cases (Progress in Variational Problems : Variational Methods in the Study of Evolution Equations)

    SUGIYAMA Yoshie, YAHAGI Yumi

    RIMS Kokyuroku　Vol. 1779　No. 1779　p. 20-26　2012/02

    Publisher: Kyoto University

  6. Finite speed of propagation in 1-D degenerate Keller-Segel system

    Yoshie Sugiyama

    2009/02/11

  7. Keller-Segel System : Interaction between Non-Linear Diffusion and Drift Terms(<Special Topics>Reaction-Diffusion Models with Convective Terms)

    Sugiyama Yoshie

    Bulletin of the Japan Society for Industrial and Applied Mathematics　Vol. 19　No. 4　p. 246-265　2009

    Publisher: The Japan Society for Industrial and Applied Mathematics

  8. Asymptotic profile for solutions of Keller-Segel model(Viscosity Solution Theory of Differential Equations and its Developments)

    SUGIYAMA Yoshie, LUCKHAUS Stephan

    RIMS Kokyuroku　Vol. 1545　No. 1545　p. 47-53　2007/04

    Publisher: Kyoto University

  9. Global Existence and Blow-up and other properties to Degenerate Keller-Segel Systems(Variational Problems and Related Topics)

    SUGIYAMA Yoshie

    RIMS Kokyuroku　Vol. 1464　p. 40-57　2006/01

    Publisher: Kyoto University

  10. Global existence of solutions of the Keller-Segel model with a nonlinear chemotactical sensitivity function (Theory of Bio-Mathematics and It's Applications)

    Sugiyama Yoshie, Kunii Hiroko

    RIMS Kokyuroku　Vol. 1432　No. 1432　p. 49-54　2005/05

    Publisher: Kyoto University

  11. Smooth Solutions of Porous Medium Equations (Nonlinear Diffusive Systems--Dynamics and Asymptotics)

    Otani Mitsuharu, Sugiyama Yoshie

    RIMS Kokyuroku　Vol. 1178　No. 1178　p. 150-161　2000/11

    Publisher: Kyoto University

  12. Smooth solutions for degenerate parabolic equations (Non linear evolution equation and its applications)

    Sugiyama Yoshie

    RIMS Kokyuroku　Vol. 1135　No. 1135　p. 15-34　2000/04

    Publisher: Kyoto University

Presentations 159

  1. UK-Japan Workshop on Nonlinear PDEs: Singularities and asymptotic patterns in Fluids, Chemotaxis and Geometric PDEs

    杉山由恵, 三浦正成, 芝田康将

    2025/07

  2. On H¨older continuity of solutions to non-linear diffusion equation with derivative external forces

    2020/09/24

  3. 脳動脈瘤治癒過程における 血栓化ダイナミクスを説明する数理モデルの構築

    杉山由恵

    第92回バイオメクフォーラム21研究会　2019/04/20

  4. 脳動脈瘤治癒過程における 血栓化ダイナミクスを説明する数理モデルの構築

    数学パワーが世界を変える2019 さきがけ「数学協働」２期生成果報告会　2019/03/11

  5. On the ε-regularity theorem for the Keller-Segel systems and its application to the analysis of singular sets

    2019/01/25

  6. Measure valued solutions of 2D Keller-Segel systems

    2018/10/31

  7. Measure valued solutions of 2D Keller-Segel systems

    2018/10/26

  8. Compactly supported stationary states of the degenerate Keller-Segel system in the difusion-dominated regime

    2018/08/07

  9. On the Structure of Solutions of Keller-Segel Systems with Sinks of Fluid

    The 12th AIMS Conference on Dynamical Systems　2018/07/08

  10. Compactly supported stationary states of the degenerate Keller-Segel systemin the difusion-dominated regime

    2018/07/07

  11. 退化型Keller-Segel系の解構造について

    杉山由恵

    大阪大学数学科談話会　2018/05/28

  12. On the structure of solutions of Keller-Segel systems with fluid and its application to life science

    2018/05/11

  13. Compactly supported stationary states of the degenerate Keller-Segel system in the diffusion-dominated regime

    2018/04/28

  14. On the structure of solutions of Keller-Segel systems with sinks of fluid

    The 3rd International Workshop on Mathematical Analysis of Chemotaxis　2018/02/23

  15. On the structure of solutions of Keller-Segel systems with sinks of fluid

    2017/09/05

  16. Measure valued solutions of 2D Keller-Segel systems

    2017/06/23

  17. Global existence and finite time blow-up criterion of solutions to the Keller-Segel systems coupled with the Navier-Stokes fluid

    Tianfu International Conference on PDEs　2017/06/17

  18. Existence and uniqueness theorem on mild solutions to the Keller-Segel system coupled with the Navier-Stokes fluid

    2017/03/27

  19. Existence and uniqueness theorem on mild solutions to the Kellee-Segel system coupled with the Navier-Stokes fluid

    Yoshie Sugiyama

    2017/03/27

  20. On H¨older continuity of solutions to fast diffusion equations with external forces and its applications

    2017/02/24

  21. Global existence and finite time blow-up criterion of solutions to the Keller-Segel systems coupled with the Navier-Stokes fluid

    2016/11/13

  22. Global existence and finite time blow-up criterion of solutions to the Keller-Segel systems coupled with the Navier-Stokes fluid

    2016/11/11

  23. Existence and uniqueness theorem on mild solutions to the Keller-Segel system coupled with the Navier-Stokes fluid

    2016/10/13

  24. Global existence and finite time blow-up criterion of solutions to the Keller-Segel systems coupled with the Navier-Stokes fluid

    2016/09/15

  25. Global existence and finite time blow-up criterion of solutions to the Keller-Segel systems coupled with the Navier-Stokes fluid

    2016/09/06

  26. Time global existence and finite time blow-up criterion for solutions to the Keller–Segel system coupled with Navier–Stokes fluid

    2016/02/23

  27. Time global existence and finite time blow-up criterion for solutions to the Keller-Segel system coupled with Navier-Stokes fluid

    2016/02/18

  28. Mathematical Modeling and Analysis of Chemotactic Cell Migration

    2015/11/06

  29. Global existence and finite time blow-up of solutions to the Keller-Segel systems coupled with the Navier-Stokes fluid

    2015/05/11

  30. On uniqueness theorem on weak solutions to the Keller-Segel system of degenerate and singular types

    2014/12/24

  31. Keller-Segel系の解の構造について

    2014/12/11

  32. Uniqueness theorem on weak solutions to the Keller-Segel system of degenerate and singular types

    THE NINTH MEETING ON PROBABILITY AND PDE, 津田塾大学　2014/11/12

  33. On uniqueness theorem on weak solutions to the parabolic-parabolic Keller–Segel system of degenerate and singular types

    2014/09/27

  34. On uniqueness theorem of weak solutions to the parabolic-parabolic Keller-Segel system of degenerate and singular types

    Yoshie Sugiyama

    2014/09/26

  35. Uniqueness theorem on weak solutions to the Keller-Segel system of degenerate and singular types

    Satellite meeting of ICM2014，KIAS(Korea Institute for Advanced Study),　2014/08/10

  36. On existence and uniqueness theorem on weak solutions to parabolicelliptic and parabolic-parabolic the Keller-Segel system of degenerate and singular types

    the 10th AIMS Conference on Dynamical Systems, ICMAT　2014/07/09

  37. Global solutions to a chemotaxis system with non-difusive memory

    2014/03/15

  38. Uniqueness theorem on weak solutions to the parabolic-elliptic Keller-Segel system of degenerate and singular types

    2014/03/15

  39. Uniqueness theorem on weak solutions to the Keller-Segel system

    2013/10/19

  40. On the Degenerate Keller-Segel system

    2013/09/27

  41. Keller-Segel系の解の構造について

    2013/07/10

  42. Existence and uniqueness theorem on weak solutions to the parabolic-elliptic Keller-Segel system

    2013/01/30

  43. Measure valued solutions of the 2D Keller-Segel system

    2012/12/05

  44. On the Structure of solutions to Keller-Segel systems

    PDE Working Group seminar　2012/10/26

  45. Existence and uniqueness theorem on weak solutions to the parabolic-elliptic Keller-Segel system

    2012/10/19

  46. Keller-Segel系の解の構造について

    A Big Wave Special Colloquium　2012/09/26

  47. Measure valued solutions of the 2D Keller-Segel system

    2012/09/10

  48. Measure valued solutions of the 2D Keller-Segel system

    2012/07/05

  49. Keller-Segel系の解の構造について

    杉山由恵

    南大阪応用数学セミナー　2012/06/16

  50. Asymptotic stability of stationary solutions to degenerate Keller-Segel systems

    2012/03/18

  51. Asymptotic stability of stationary solutions to degenerate Keller-Segel systems

    https://researchmap.jp/sugiyamayoshie/presentations/add#　2012/02/12

  52. Asymptotic stability of stationary solutions to degenerate Keller-Segel systems

    Yoshie Sugiyama

    2011/12

  53. Asymptotic stability of stationary solutions to degenerate Keller-Segel systems

    Yoshie Sugiyama

    2011/09

  54. Asymptotic stability of stationary solutions to degenerate Keller-Segel systems

    2011/06

  55. Measure valued solutions of the 2D Keller-Segel system

    Yoshie Sugiyama

    2011/04

  56. Measure valued solutions of the 2D Keller-Segel system

    Yoshie Sugiyama

    2011/04

  57. Measure valued solutions of the 2D Keller-Segel system

    Yoshie Sugiyama

    2011/04

  58. Uniqueness and continuity of solution for the initial data the degenerate Keller– Segel system

    Yoshie Sugiyama

    2011/03

  59. Measure valued solutions of the 2D Keller-Segel system

    Yoshie Sugiyama

    2011/03

  60. Measure valued solutions of the 2D Keller-Segel system

    Yoshie Sugiyama

    2011/02

  61. Measure valued solutions of the 2D Keller-Segel system

    Yoshie Sugiyama

    2010/11

  62. Measure valued solutions of the 2D Keller– Segel system

    Yoshie Sugiyama

    2010/09

  63. Measure valued solutions of the 2D Keller– Segel system

    Yoshie Sugiyama

    2010/08

  64. Measure valued solutions of the 2D Keller– Segel system

    Yoshie Sugiyama

    2010/03

  65. Extinction and decay for Keller-Segel systems of fast diffusion type

    Yoshie Sugiyama

    2009/12

  66. Extinction, decay and blow-up for Keller– Segel systems of fast diffusion type

    Yoshie Sugiyama

    2009/09

  67. Recent topices on the degenerate Keller-Segel systems

    Yoshie Sugiyama

    2009/05

  68. Aronson-Benilan type estimate and the optimal Hölder continuity of weak solutions for the 1D degenerate Keller-Segel systems

    2009/02

  69. Partial regularity and blow-up asymptotics of weak solutions to Keller-Segel systems

    2009/02

  70. Aronson-Benilan type estimate and the optimal Hoelder continuity of weak solutions for the 1D degenerate Keller-Segel systems

    2009/01

  71. Aronson-Benilan type estimate and the optimal Hoelder continuity of weak solutions for the 1D degenerate Keller-Segel systems

    2008/11

  72. Finite speed of propagation in 1-D degenerate Keller-Segel system

    Yoshie Sugiyama

    2008/10

  73. Interfaces for 1-D degenerate Keller-Segel systems

    Yoshie Sugiyama

    2008/10

  74. Aronson-Benilan type estimate and the optimal Hoelder continuity of weak solutions for the 1D degenerate Keller-Segel systems

    Yoshie Sugiyama

    2008/10

  75. Partial regularity and blow-up asymptoticsof weak solutions to Keller-Segel systems

    Yoshie Sugiyama

    Tohoku Univ. 「 The 3rd Euro-Japanes e Workshop on Blowup」　2008/09

  76. ε-regularity theorem and its application to the blow-up solutions of degenerate Keller-Segel systems

    Yoshie Sugiyama

    2008/03

  77. ε-regularity theorem and its application to the blow-up asymptotics of solutions to Keller-Segel systems

    Yoshie Sugiyama

    2008/03

  78. ε-regularity theorem and its application to the blow-up solutions of degenerate Keller-Segel systems

    2008/02

  79. ε-regularity theorem and its application to blow-up asymptotics of weak solutions to degenerate Keller-Segel systems

    2008/01

  80. ε-regularity theorem and its application to the blow-up solutions of degenerate Keller-Segel systems

    Yoshie Sugiyama

    2008/01

  81. ε-regularity theorem and its application to the blow-up solutions of degenerate Keller-Segel systems

    Yoshie Sugiyama

    2007/12

  82. ε-regularity theorem and its application to the blow-up solutions of degenerate Keller-Segel systems

    Yoshie Sugiyama

    2007/12

  83. シンポジウム「複雑系現象の時系列解析」

    Yoshie Sugiyama

    2007/11

  84. Partial regularity and blow-up asymptotics of weak solutions to degenerate Keller-Segel systems

    Yoshie Sugiyama

    2007/11

  85. ε-regularity theorem and its application to the blow-up solutions of degenerate Kell69er-Segel systems

    2007/11

  86. Partial regularity of weak solutions to degenerate Keller-Segel systems

    Yoshie Sugiyama

    2007/10

  87. Gradient estimates and interfaces for degenerate Keller-Segel systems

    Yoshie Sugiyama

    2007/10

  88. Partial regularity and blow-up asymptotics of weak solutions to degenerate Keller-Segel systems

    Yoshie Sugiyama

    2007/10

  89. 退化型Keller-Segel 系の解の性質について

    Yoshie Sugiyama

    2007/09

  90. 走化性Keller-Segel 系の解の漸近挙動につ いて

    Yoshie Sugiyama

    2007/08

  91. Strong solutions to the Keller-Segel system with the weak Ln/2(Rn) initial data and its application to the blow-up rate

    Yoshie Sugiyama

    2007/03

  92. Blow-up solutions to Keller-Segel systems for the initial data in the scale invariant norm

    Yoshie Sugiyama

    2007/03

  93. Finite speed of propagation in degenerate Keller-Segel system

    Yoshie Sugiyama

    2007/03

  94. Finite speed of propagation in degenerate 1-D Keller-Segel system

    Yoshie Sugiyama

    2007/03

  95. On Keller-Segel System with a power factor in drift term

    Yoshie Sugiyama

    2007/02

  96. On Quasi-linear Keller-Segel System

    Yoshie Sugiyama

    2007/01

  97. Asymptotic profile for the degenerate Keller-Segel system

    Yoshie Sugiyama

    2006/12

  98. On the Fujita exponent for Keller-Segel systems

    Yoshie Sugiyama

    2006/11

  99. Blow-up in Keller-Segel model

    Yoshie Sugiyama

    2006/11

  100. Large time behavior of solutions to the degenerate Keller-Segel model

    Yoshie Sugiyama

    2006/10

  101. On Fujita exponent for Keller-Segel system

    Yoshie Sugiyama

    2006/10

  102. Keller-Segel system of parabolic-parabolic type with initial data in weak Ln/2(Rn) and its application to the self-similar solution

    Yoshie Sugiyama

    2006/09

  103. Asymptotic profile for solutions of Keller-Segel model in super-critical cases

    Yoshie Sugiyama

    2006/09

  104. On the Keller-Segel system and the Fujita exponent

    Yoshie Sugiyama

    2006/09

  105. On the Keller-Segel system in higher dimensions

    Yoshie Sugiyama

    2006/09

  106. Fujita exponent for Keller-Segel model

    Yoshie Sugiyama

    2006/09

  107. Asymptotic profile with optimal convergence rate for Keller-Segel model

    Yoshie Sugiyama

    2006/09

  108. On the Keller Segel system in higher dimensions

    Yoshie Sugiyama

    2006/08

  109. On 3-D Keller-Segel system

    Yoshie Sugiyama

    2006/07

  110. Asymptotic profile for solutions of Keller-Segel model

    Yoshie Sugiyama

    2006/06

  111. On the Fujita exponent for Keller-Segel systems

    Yoshie Sugiyama

    2006/06

  112. Blow-up in Keller Segel system

    Yoshie Sugiyama

    2006/06

  113. Large time behavior of solutions in super-critical cases to Keller-Segel systems

    Yoshie Sugiyama

    2006/05

  114. Finite time blow-up for solution to Keller-Segel model of degenerate type

    Yoshie Sugiyama

    2006/03

  115. Global solution and decay property for Keller-Segel system of semilinear and quasilinear type

    Yoshie Sugiyama

    2006/03

  116. Time-global solution and asymptotic behaviour for Keller-Segel models of semilinear and quasilinear degenerate type

    Yoshie Sugiyama

    2006/03

  117. Some property to a degenerate Keller-Segel system

    Yoshie Sugiyama

    2005/06

  118. Global Existence and blow up in a degenerate Keller-Segel model

    Yoshie Sugiyama

    2005/05

  119. Global Existence and Asymptotic Behavior of Solutions to Degenerate Quasi-linear Parabolic Systems for Chemotaxis-Growth Models

    Yoshie Sugiyama

    2005/04

  120. Behaviors of solutions to some degenerate quasilinear systems modeling chemotaxis

    Yoshie Sugiyama

    2005/03

  121. 準線型退化放物型をしたKeller-Segel系の 時間大域解の存在と漸近挙動について

    Yoshie Sugiyama

    2005/03

  122. On global existence and decay properties of solutions for some degenerate quasilinear systems modelling chemotaxis

    Yoshie Sugiyama

    2005/03

  123. Behaviours of solutions of the Keller-Segel model with a nonlinear chemotactical sensitivity function

    Yoshie Sugiyama

    2005/03

  124. 準線形退化放物型をしたKeller-Segel 系 の解の存在と漸近挙動

    Yoshie Sugiyama

    2005/01

  125. On the global existence and asymptotic behavior of solutions to some degenerate quasilinear parabolic systems modeling chemotaxis

    Yoshie Sugiyama

    2005/01

  126. Time Global Existence and Asymptotic Behavior of Solutions to Degenerate Quasilinear Systems for Chemotaxis-Growth Models

    Yoshie Sugiyama

    2005/01

  127. Behaviors of solutions to some quasilinear degenerate parabolic systems for chemotaxis-growth models

    Yoshie Sugiyama

    2005/01

  128. 準線形退化放物型をしたKeller-Segel 系 の解の存在と漸近挙動について

    Yoshie Sugiyama

    2004/12

  129. Behaviour of solutions to a degenerate quasilinear parabolic system modelling chemotaxis

    Yoshie Sugiyama

    2004/12

  130. Keller-Segel 系に関係する方程式系の解 の爆発について

    Yoshie Sugiyama

    2004/11

  131. Global Existence and Asymptotic Behavior of Solutions to Degenerate Quasilinear Systems for the Keller-Segel model

    Yoshie Sugiyama

    2004/10

  132. Asymptotic properties of reaction-diffusion systems modeling chemotaxis

    Yoshie Sugiyama

    Orlando, Florida, USA The Fourth World Congress of Nonlinear Analysts　2004/07

  133. Global existence of weak solutions and decay properties for some degenerate quasilinear parabolic systems modeling chemotaxis

    Yoshie Sugiyama

    National Tsing Hua University , Hsinchu, Taiwan Workshop on Reaction-Dif fusion Equations and Related Topics　2004/05

  134. Global existence and decay property of weak solutions for some degenerate quasilinear parabolic systems modeling chemotaxis

    Yoshie Sugiyama

    2004/04

  135. Global existence of weak solutions for a quasilinear degenerate parabolic system of chemotaxis

    Yoshie Sugiyama

    2004/03

  136. Local existence of C∞-solutions of Porous Medium Equations with perturbation

    2003/07

  137. On the regularity and interface of solutions to Porous Medium Equations

    Yoshie Sugiyama

    2003/06

  138. On the blow-up profile of porous medium equations with localized source

    Yoshie Sugiyama

    2003/02

  139. Total blow-up for porous medium equations with localized source

    Yoshie Sugiyama

    2002/11

  140. C∞-solutions of some degenerate parabolic equations

    Yoshie Sugiyama

    University of Catania Third World Congress of Nonlinear Analysts WCNA-2000　2000/07

  141. Local existence of smooth solutions for porous medium equations in RN

    Yoshie Sugiyama

    Kennesaw University Internationa l Conference on Dynamical Systems and Differential Equations　2000/05

  142. C∞-solutions of porous medium equations in RN

    Yoshie Sugiyama

    2000/03

  143. Smooth solutions for degenerate parabolic equations

    Yoshie Sugiyama

    2000/03

  144. C∞-solutions of some doubly nonlinear Equations

    Yoshie Sugiyama

    Chiba University Internationa l Conference on Free Boundary Problems: Theory and Applications　1999/11

  145. Smooth solutions for degenerate parabolic equations

    Yoshie Sugiyama

    1999/10

  146. Some degenerate parabolic equations

    Yoshie Sugiyama

    1999/05

  147. The behoviour of the interface of porous medium equations

    Yoshie Sugiyama

    1999/04

  148. C∞-solutions for porous medium equations

    Yoshie Sugiyama

    1999/03

  149. How does the interface begin to move?

    Yoshie Sugiyama

    1999/03

  150. C∞-solutions of porous medium equations in RN

    Yoshie Sugiyama

    1999/02

  151. C∞-solutions of doubly nonlinear equations

    Yoshie Sugiyama

    1999/01

  152. C∞-solutions of porous medium equations in RN

    Yoshie Sugiyama

    1998/04

  153. C∞-solutions for porous medium equations with perturbations

    Yoshie Sugiyama

    1998/03

  154. Smooth solutions for porous medium equations

    Yoshie Sugiyama

    University of Philippines　1996/10

  155. C∞-regularity for generalized porous medium equations

    Yoshie Sugiyama

    1996/09

  156. Smooth solutions of porous medium equations

    Yoshie Sugiyama

    1996/01

  157. Smooth solutions of porous medium equations

    Yoshie Sugiyama

    1995/11

  158. Time local estimates for derivatives of solutions of porous medium equations

    Yoshie Sugiyama

    1995/09

  159. Existence of strong solutions for some doubly nonlinear parabolic equations

    Yoshie Sugiyama

    1995/03

Industrial Property Rights 10

  1. 壁厚み推定方法、壁厚み推定装置及び壁厚み推定システム

    杉山 由恵

    特許第7381081号(P7381081)

    出願日:2020/06/12

    登録日:2023/11/07

  2. 血管壁厚み推定方法、血管壁厚み推定装置及び血管壁厚み推定システム

    杉山 由恵

    特許第7152077号(P7152077)

    出願日:2020/02/19

    登録日:2022/10/03

  3. 治具、システム、方法及びコンピュータプログラム

    杉山 由恵

    出願日:2023/11/27

  4. 壁厚み推定方法、コンピュータプログラム、学習方法、模型作製方法、壁厚み推定装置及び壁厚み推定システム

    杉山 由恵

    出願日:2022/10/07

  5. 血管壁厚み推定方法、血管壁厚み推定装置及び血管壁厚み推定システム PCT

    杉山 由恵

    出願日:2020/02/19

  6. 血管吻合デバイス

    杉山 由恵

    出願日:2024/06/11

  7. 壁厚み推定方法、コンピュータプログラム、学習方法、模型作製方法、壁厚み推定装置及び壁厚み推定システム

    杉山 由恵

    出願日:2022/10/07

  8. 壁厚み推定方法、コンピュータプログラム、壁厚み推定装置及び壁厚み推定システム

    杉山 由恵

    出願日:2022/02/18

  9. 壁厚み推定方法、コンピュータプログラム、壁厚み推定装置及び壁厚み推定システム

    杉山 由恵

    出願日:2022/02/18

  10. 壁厚み推定方法、壁厚み推定装置及び壁厚み推定システム

    杉山 由恵

    出願日:2021/08/19