Junya's blog

This is a blog of Junya Nishiguchi.

Talks and Posters

2017

International conferences

  • (Invited) Junya Nishiguchi, "Differential equations with unbounded delay, and dynamics in spaces without natural metrics," RIMS Workshop "Succession and Innovation of Studies on ODEs in Real Domains", Kyoto.

Web page: RIMS Workshop "Succession and Innovation of Studies on ODEs in Real Domains"

  • Junya Nishiguchi, "Time-delay systems, and dynamics in spaces without natural metrics," AIMR Math Group Seminar, Tohoku University, Miyagi, October 6, 2017.

Web page: WPI-AIMR Math Unit

  • Junya Nishiguchi, "An interpretation of time-delay coordinates for time-delay systems", RIMS Workshop “Dynamical Systems ― Joint Exploration of Theory and Application”, Kyoto, June 5 - 9 (7).

Web page: http://www.math.keio.ac.jp/~hiroki/rims2017-e.html

  • Junya Nishiguchi, "A unification of theory of well-posedness for delay differential equations", Special LCDS Seminar, Providence, United States, February 23.

Web page: A Unification of theory of well-posedness for delay differential equations | Division of Applied Mathematics

  • Junya Nishiguchi, "A necessary and sufficient condition for well-posedness of initial value problems of retarded functional differential equations", ICMC - Summer Meeting on Differential Equations - 2017 Chapter, Sao Paulo, Brazil, February 6 - 8 (7).

Web page: .:: ICMC Summer Meeting on Differential Equations 2017 ::.

国内学会・シンポジウム

Web page: マクロ経済動学の非線形数理

  • 西口 純矢,「A unification of theory of well-posedness for delay differential equations」,南大阪応用数学セミナー,大阪市立大学,7月15日.

Web page: 南大阪応用数学セミナー(2017年度)-研究活動│大阪市立大学数学研究所 - Osaka City University Advanced Mathematical Institute Web

Web page: 応用数学に関する勉強会(応用数学セミナー)@芝浦工大

Web page: 日本数学会・2017年度年会

  • 西口 純矢.「Global attrcators on spaces without natural metrics」,2016年度冬の力学系研究集会,日本大学軽井沢研修所,1月7日〜10日(発表日 7日).

Program: https://tsujiimasato.files.wordpress.com/2015/03/2016-karuizawa-program.pdf


2016

  • Junya Nishiguchi, "Retarded functional differential equations with general delay structure", National Chiao Tung University, Taiwan, December 9.

2015

  • Junya Nishiguchi, "Exponential stability of equilibrium solutions of delay differential equations and its applications", RIMS Conference "Qualitative theory of ordinary differential equations in real domains", Kyoto, November 9 - 11 (10).

Web page: RIMS Workshop 2015

  • Junya Nishiguchi, "Characteristic equations and Lambert W function", Workshop on delay equation, Tokyo, August 8.

Web page: Workshop on Delay Equation

  • Junya Nishiguchi, "Asymptotic stability of constant solutions in delay differential equations with a constant delay and transcendental equations with complex coefficients", Equadiff 2015, 6-10, July, Lyon, France (Poster).

Web page: Equadiff 2015 - Sciencesconf.org

  • Junya Nishiguchi, "Asymptotic stability of constant solutions in delay differential equations with a constant delay and transcendental equations with complex coefficients", 10th Colloquium on the Qualitative Theory of Differential Equations, Szeged, Hungary, July 1 - 4 (4).

Web page: 10th Colloquium on the Qualitative Theory of Differential Equations

  • Junya Nishiguchi, "Stabilization of unstable steady solution by delayed feedback control", 2015 East Asian Core Doctorial Forum on Mathematics, Taiwan, January 19 - 22 (19).

Web page: http://www.math.ncu.edu.tw/~east-asian/

2014

  • Junya NISHIGUCHI, ''Infinitesimal analysis of stabilization of unstable steady solution by delayed feedback control'', Doctorial Forum of Mathematics between Fudan and Kyoto Universities, November 3-7, Shanghai, China.

Japanese

2016

2015

  • 西口 純矢,「Dynamics of functional differential equations」,第7回白浜研究集会,12月7-10日,和歌山.
  • 西口 純矢,「Delay differential equations and Lambert W function」,力学系数理コロキウム,7月16日,京都.
  • 西口 純矢,「遅延微分方程式とある超越方程式の根について」,第12回城崎新人セミナー,2月16-20日,兵庫.
  • 西口 純矢,「On roots of characteristic equation of some linear delay differential equations」,なかもず解析セミナー,2月6日,大阪.

2014

  • 西口 純矢,「不安定な定常解の遅延フィードバック制御における特性方程式の解析:Lambert の W 関数による方法」,2014年度応用数学合同研究集会,12月18-20日,滋賀.
  • 西口 純矢,「遅延フィードバック制御による定常解の安定化: 特性方程式の解析」,第6回白浜研究集会,12月2-4日,和歌山.
  • 西口 純矢,「Stabilization of unstable steady solution by delayed feedback control: Introduction to dynamics of delay differential equations, and analysis of characteristic equation」,京都力学系セミナー,11月28日,京都.
  • 西口 純矢,「遅延フィードバック制御による局所的な安定性の変化: Lambert の W 関数による解析」,日本数学会異分野・異業種研究交流会(ポスター発表),10月25日,東京.
  • 西口 純矢,「遅延フィードバック制御による不安定な定常解の安定化: Lambert W 関数によるアプローチ」,日本数学会2014年度秋季総合分科会,9月25-28日,広島.

2013

  • 西口 純矢,「Lambert W 関数と不安定定常解の遅延フィードバック制御による安定化」,2013年度応用数学合同研究集会,12月19-21日,滋賀.
  • 西口 純矢,「Lambert W 関数と不安定平衡点の遅延フィードバック制御による安定化」,第5回白浜研究集会,12月2-5日,和歌山.

2012

  • 西口 純矢,「時間遅れフィードバック制御と Floquet 理論」,第4回白浜研究集会,12月3-6日,和歌山.