List of Presentations


  1. Asymptotic existence theorem for formal power series solutions of singularly perturbed linear q-difference equations, November 08, 2023, RIMS Workshop "Various problems in microlocal analysis and asymptotic analysis", RIMS (Kyoto), November 06-10, 2023.
  2. The Gevrey asymptotics in the initial value problem for singularly perturbed nonlinear differential equations, March 08, 2023. Workshop "Recent topics in algebraic analysis", Nihon University (Tokyo), March 7-9, 2023.
  3. Asymptotic existence theorem for formal solutions with singularities of nonlinear partial differential equations, October 13, 2021, RIMS online workshop "Exact WKB Analysis, Microlocal Analysis, Painlev\'e Equations and Related Topics", RIMS (online), October 11-15, 2021.
  4. Uniqueness of the solution of some nonlinear singular partial differential equations, Virtual Conference「Workshop FASnet21」, Alcala (Spain), June 28 - July 02, 2021.
  5. Uniqueness of the solution of nonlinear singular first order partial differential equations, September 11, 2019, Workshop FASFE19 : Formal and analytic solutions of functional equations, Valladlid (Spain), September 09-12, 2019.
  6. Gevrey type estimates of formal solutions of some totally characteristic partial differential equations, December 18,2018, RIMS Workshop : Formal and analytic solutions of functional equations on the complex domain, RIMS (Kyoto), December 17-20,2018.
  7. Maillet type theorem for nonlinear totally characteristic partial differential equations, October 17, 2018, RIMS Workshop "Various problems in algebraic analysis - microlocal analysis and asymptotic analysis -" , RIMS (Kyoto), October 15-19, 2018.
  8. Maillet type theorem for nonlinear totally characteristic partial differential equations, September 14, 2018, Conference CDDE2018 : Complex differential and difference equations, Bedlewo (Poland), September 10-14, 2018.
  9. Some examples of the Borel summability of formal solutions of linear partial differential equations, October, 19, 2017, RIMS Workshop "Microlocal analysis and asymptotic analysis", RIMS (Kyoto), October 16-20, 2017.
  10. On analytic solutions of some nonilear singular partial differential equations, September 6, 2017, Workshop FASdiff17:Formal and Analytic Solutions of Diff. Equations, September 4 - Septembre 8, 2017, Alcala University, Madrid, Spain.
  11. On the summability of formal solutions of some linear q-difference partial differential equations, October 5, 2016, RIMS Workshop "New development of microlocal analysis and singular perturbation theory", RIMS (Kyoto), October 307, 2016.
  12. On the summability of formal solutions of some linear q-difference partial differential equations, September 1, 2016, Workshop FASPDE16:Formal and Analytic Solutions of Partial Differential Equations, August 31 - Septembre 2, 2016, Lisboa University, Lisbon, Portugal.
  13. Summability of formal solutions of q-difference partial differential equations, June 7, 2016, RIMS Workshop "Exponential asymptotics of difference and differential equations", RIMS (Kyoto), June 6-8, 2016.
  14. q-Analogues of Laplace and Borel transforms with application to q-difference equations, January 11, 2016, International Conference on ``Partial Differential Equations: General Theory and Variational Problems", January 11-15, 2016, Costabella Tropical Beach Hotel, Cebu, Philippines.
  15. On singular solutions of nonlinear singular partial differential equations in a sectorial domain, December 9, 2015, RIMS Workshop "Algebraic analytic methods in complex partial differential equations", RIMS (Kyoto), December 8-11, 2015.
  16. Maillet type theorems, convolution equations and multisummability of formal solutions, October 22, 2015, Conference "Differential and difference equations: analytic, arithmetic and Galoisian approaches", held at Universite Lille 1, Lille (France), October 19-23, 2015
  17. Analytic continuation of solutions to nonlinear convolution partial differential equations and its application, 2015年9月18日, Conference "Analytic, Algebraic and Geometric Aspects of Differential Equations" held at Banach Center in Bedlewo (Poland), September 14-19, 2015.
  18. Lifespan of solutions to nonlinear Cauchy problems with small analytic data, July 9, 2015, " EquaDiff 2015 " held at Universite Claude Bernard Lyon 1, Lyon (France), July 6-10, 2015.
  19. Generalized Poincare condition and convergence of formal solutions of some nonlinear totally characteristic equations, fenruary 21, 2015, Conference "Osaka-Umeda seminar in differential equations", Kwansei Gakuin University, Umeda-campus, February 21-22, 2015.
  20. q-Analogues of Laplace and Borel transforms with application to q-difference equations, November 21, 2014, RIMS Workshop "Differential equations in the complex domain - its recent developments -", RIMS (Kyoto), November 17-21, 2014.
  21. q-Analogues of Laplace and Borel transforms by using q-exponentials, October 21, 2014, RIMS Workshop "Several aspects in microlocal analysis", RIMS (Kyoto), October 20-24.
  22. q-Analogues of Laplace and Borel transforms with application to q-difference equations, September 2, 2014, Conference on "Formal and analytic solutions of functional equations" held at University of Valladolid, Valladolid (Spain), September 2-5, 2014.
  23. q-Analogue of the summability of formal solutions of some linear q-difference equations, March 5, 2014, Symposium "Differential equations in Hiroshima - asymptotic analysis and Borel summability -", Hiroshima University (Higashi Hiroshima), March 4-6, 2014.
  24. On q-analogues of Laplace and Borel transforms by using Jacobi theta function, February 17, 2014, Symposium "Algebraic analysis and locally convex spaces", Nihon University (Tokyo), February 17-19, 2014.
  25. On q-analogues of Laplace and Borel transforms by Jacobi theta function, 2013年9月4日, Japan-Polish workshop "Global study of differential equations in the complex domain" held at Banach Center in Warsaw (Poland) in September 2-6, 2013.
  26. Summability of formal solutions to the Cauchy problem for some linear partial differential equations, 2013年8月29日, Conference "Formal and analytic solutions of differential, difference and discrete equations" held at Mathematical Research and Conference Center at Bedlewo (Poland) in August 25-30, 2013.
  27. (with H. Yamazawa) Maillet type theorem, convolution equations and multisummability of formal solutions, October 26, 2012, RIMS Workshop "Recent development of microlocal analysis and asymptotic analysis" RIMS (Kyoto), October 23-26, 2012.
  28. Maillet type theorem, convolution equations and multisummability of formal solutions, 2012年4月24日, "French-Chinese School of Differential and Functional Equations" held at Wuhan University, Wuhan (China) in April 16-27, 2012.
  29. Maillet type theorem and Gevrey regularity in time of solutions to nonlinear partial differential equations, November 17, 2011, RIMS Workshop "Recent development of micro-local analysis for the theory of asymptotic analysis", RIMS (Kyoto) November 15-18, 2011.
  30. Maillet type theorem and Gevrey regularity in time of solutions to nonlinear partial differential equations, August 11, 2011, Banach Center Conference "Formal and Analytic Solutions of Differential and Difference Equations, II" held at Mathematical Research and Conference Center in Bedlewo, Poland in August 7-13, 2011.
  31. Coupling of two partial differential equations and its application, October 21, 2010, "UP Mathematics Centennial Conference " held at University of the Philippines Diliman, October 21-22, 2010.
  32. Coupling of two partial differential equations and its application, August 9, 2010, International Conference "New Directions in Analysis" held at the Institute of Mathematics in Hanoi (Vietnam) in August 9-15, 2010.
  33. On tyhe singularities of solutions of nonlinear partial differential equations in the complex domain (in Japanese), May 26, 2010, RIMS Workshop "Introduction to path integrals and microlocal analysis", RIMS (Kyoto), May 25-28, 2010.
  34. An analogue of Maillet type theorem in convolution partial differential equations, March 17, 2010, Symposium on differential equations in Nagoya, Nagoya University (Nagoya).
  35. Gevrey regularities of solutions of nonlinear singular partial differential equations, October 19, 2009, RIMS Workshop "Microlocal analysis and related topics", Kwansei Gakuin University, Umeda-campus, October 19-22, 2009.
  36. Gevrey regularities of solutions of nonlinear singular partial differential equations, July 14, 2009, 7th ISAAC Congress, Imperial College, London, July 13-18, 2009.
  37. Coupling of two partial differential equations and its application, December 21, 2008, Symposium "General study of differential equations", Kyoto University (Kyoto).
  38. On a reduction of Briot-Bouquet type partial differential equations in a resonant case, November 11,2008, "Journees franco-japonaises en l'honneur de Kazuo Okamoto" held at Universite Louis Pasteur, Strasbourg (France), Novembre 10-13, 2008.
  39. On a reduction of Briot-Bouquet type partial differential equation in a resonant case, September 19, 2008, Symposium on New approach to analytic equations -transformation theory, singular solutions and Stokes problem, RIMS (Kyoto).
  40. On the singularities of solutions of nonlinear partial differential equations in the complex domain, September 10, 2008, International Workshop on Global Behaviors of Differential Equations - Singularity and Transformation Theory -,Hiroshima University (Higashi Hiroshima)
  41. Coupling of two singular partial differential equations and its application, Banach Center Conference "Formal and Analytic Solutions of Differential Equations", August 12, 2008, Mathematical Research and Conference Center in Bedlewo, Poland.
  42. Coupling of two singular partial differential equations and its application, May 29, 2008, RIMS Workshop "WKB analysis and microlocal analysis", RIMS (Kyoto), May 26-30, 2008.
  43. (with H. Yamane) Logarithmic singularities and nonlinear partial differential equations (in Japanese), May 27, 2008, RIMS Workshop "WKB analysis and microlocal analysis", RIMS (Kyoto), May 26-30, 2008.
  44. Coupling of two singular partial differential equations and its application - a dream of R. Gerard -, Conference on holomorphic PDEs, small divisors and summability, January 31, 2008, CIRM at Luminy (Marseille, France).
  45. Coupling of two partial differential equations and its application, August 10, 2006, - Conference: Partial Differential Equations on Noncompact and Singular Manifolds - held at University of Potsdam, Potsdam (Germany), in August 7-11, 2006.
  46. Coupling of two partial differential equations and its application, February 19, 2006, - Tsukuba Symposium on Partial Differential Equations - held at Tsukuba University, in February 17-20, 2006.
  47. Coupling of two partial differential equations (in Japanese), January 14, 2006, Symposium "Recent topics in differential equations - theory and applications -", Hiroshima University (Higashi Hiroshima).
  48. Coupling of two partial differential equations and its application, September 19, 2005, - Conference on"Partial Differential Equations and Purturbation Analysis"- held at Wuhan University, Wuhan (China), in September 15-22, 2005.
  49. Coupling of two partial differential equations and its application, July 8, 2005, Conference on"Algebraic Analysis of Differential Equations - from Microlocal Analysis to Exponential Asymptotics -", RIMS (Kyoto), July 7-14, 2005.
  50. Removable singularities of solutions of nonlinear totally characteristic type partial differential equations, October 29, 2004, RIMS Workshop "Microlocal analysis and related topics", RIMS (Kyoto), October 25-29, 2004.
  51. On the singularities of solutions of nonlinear partial differential equations in the complex domain, March 10, 2004, Internatioanl Conference "Microlocal Analysis and Asymptotic Analysis", RIMS (Kyoto), .
  52. On the singularities of solutions of nonlinear partial differential equations in the complex domain, March 1, 2004, - Workshop "Operator Algebras, Singularities, Deformation Quantisation" - held at University of Potsdam, Potsdam (Germany) in March 01-05, 2004.
  53. On the singularities of solutions of nonlinear partial differential equations in the complex domain, October 28, 2003, - Conference on "Differential Equations and Asymptotic Theorey in Mathematical Physics" - held at Wuhan University, Wuhan (China) in October 20-29, 2003.
  54. Newton's iteration method and its application, I, II, III. january 7, 8, 10, 2003, "Selected topics in partial differential equations - a workshop in celebration of the sixtieth birthday of Professor Milagros Navarro" - held at University of the Philippines, Diliman (Philippines, Quezon city) in January 7-10, 2003.
  55. (with H.Yamazawa) Structure of solutions of nonlinear Fuchsian partial differential equations - without any assumption on characteristic exponents - October 8, 2002, RIMS Workshop "Microlocal analysis and asymptotic analysis of systems of equations", RIMS (Kyoto), October 7-10, 2002.
  56. On the singularities of solutions of nonlinear partial differential equations in the complex domain, (I), (II) (in Japanese), January 26, 27, 2002, Symposium "Differential equations and singularities", Nagoya Univeristy (Nagoya).
  57. Solvability of nonlinear totally characteristic partial differential equations in the complex domain -when resonances occur-, October 26, 2001, RIMS Workshop "Microlocal Analysis and Related Topics", RIMS (Kyoto), October 22-26, 2001.
  58. On the singularities of solutions of nonlinear partial differential equations in the complex domain, Ausust 31, 2001, - Czechoslovak International Conference on Differential Equations and their Applications "Equadiff 10" - held at Charles University of Prague, Prague (Czech) in August 27-31, 2001.
  59. On the singularities of solutions of nonlinear partial differential equations, February 20, 2001, - Conference on "Differential Equations in the Complex Domain" dedicated to the memory of Professor Raymond Gerard - held at Universite Louis Pasteur, Strasbourg (France) in February 20-23, 2001.
  60. On the singular solutions of nonlinear singular partial differential equations, October 18, 2000, RIMS Workshop "Asymptotic Analysis and Microlocal Analysis of Differential Equations", RIMS (Kyoto), October 16-20, 2000.
  61. Introduction to nonlinear partial differential equations in the complex domain, I-IV (in Japanese), January 7,8, 2000, Symposium " Several problems in algebraic analysis", Chiba University (Chiba), January 6-8, 2000.
  62. On the existence of holomorphic solutions of nonlinear partial differential equations in the complex domain (in Japanese), October 5, 1999, RIMS Workshop "Algebraic analysis in integral kernels", RIMS (Kyoto), Octover 4-7, 1999.
  63. On the singular solutions of nonlinear singular partial differential equations, July 20, 1999, - Workshop 1999 "Partial Differential Equations" - held at University of Potsdam, Potsdam (Germany) in July 19-23, 1999.
  64. Uniqueness of the solution of nonlinear singular partial differential equations, April 9, 1999, - Conference on "Partial Differential Equations and Applications" - held at Wuhan University, Wuhan (China) in April 5-9, 1999.
  65. On the analytic continuation of solutions of nonlinear partial differential equations (in Japanese), October 7, 1998, RIMS Workshop "Algebraic analysis and Special functions", RIMS (Kyoto).
  66. On the uniqueness theorem for nonlinear singular partial differential equations, December 16, 1997, RIMS Workshop "Complex Analysis and Microlocal Analysis)", RIMS (Kyoto).
  67. Nonlinear partial differential equations in the complex domain (in Japanese), September 3, 4, 1997, RIMS Workshop "Partial differential equations in the complex domain", RIMS (Kyoto).
  68. Uniqueness of the solution of nonlinear partial differential equations (in Japanese), December 6, 1996, Symposium "Construction of solutions of analysic differential equations and its application", Kobe University (Kobe).
  69. Holomorphic and singular solutions of non-linear PDE September 16, 1996, "Workshop on Singularities and D-Modules" - held at CMAF, University of Lisboa, Lisboa (Portgul) in September 16-19, 1996.
  70. Formal power series solutions of non-linear partial differential equations of the first order, July 2, 1996, RIMS Workshop "The method of algebraic analysis in microlocal analysis", RIMS (Kyoto).
  71. On the uniqueness of solutions of singular nonlinear partial differential equations (in Japanese), March 6, 1996, RIMS Workshop "Study of partial differential equations using functional analytic methods", RIMS (Kyoto).
  72. Logarithmic singularities of solutions of first order nonlinear partial differential equations (in Japanese), December 5, 1995, Symposium "Construction of solutions of analysic differential equations and its application", Ochanomizu University (Tokyo).
  73. Logarithmic singularities of solutions of nonlinear singular PDE, September 21, 1995, "European Research Conference on Mathematical Analysis" - Local singularities of solutions to nonlinear and singular PDE - held at Eden Roc Hotel, San Feliu de Guixols (Spain) in September 19-24, 1995.
  74. Logarithmic singularities of solutions of non-linear singular partial differential equations, September 11, 1995, "Workshop on general theory of partial differential equations & microlocal analysis" - held at ICTP, Trieste (Italy) in September 4-15, 1995.
  75. (with R. Gerard) About the reduction of F(x,y,Ty)=0 where T is a meromorphic vector field, June 28, 1995, 36th Taniguchi Symposium "Structure of solutions of differential equations", Guzesou (Otsu, Shiga).
  76. (with R. Gerard) Holomorphic and singular solutions of non linear singular partial differential equations, June 27, 1995, 36th Taniguchi Symposium "Structure of solutions of differential equations", Guzesou (Otsu, Shiga).
  77. Artin-Maillet's type theorems for non linear first order partial differential equations, November 18, 1994, Symposium "Construction of solutions of differential equations in the complex domain and its application", Kobe University (Kobe).
  78. On the well-posedness in Gevrey classes for Fuchsian hyperbolic equations, December 3, 1993, Symposium "Initial value problems and Newton Polygon", Ehime University (Matsuyama).
  79. Removable singularities of solutions of non linear singular partial differential equations, October 27, 1993, Banach Center Symposium on "Singularities and differential equations" - held at Banach Center, Warsaw (Poland) in September 26 - November 6, 1993.
  80. Holomorphic and singular solutions of non linear singular partial differential equations, April 6, 1993, RIMS Workshop "Complex analysis and differential equations", RIMS (Kyoto).
  81. Holomorphic and singular solutions of singular nonlinear partial differential equations (in Japanese), February 2, 1993, Symposium "Gevrey properties and asymptotic analysis in differential equations", Kobe University (Kobe).
  82. Holomorphic and singular solutions of non linear singular partial differential equations, December 1, 1992, Conference on "Analytic Solutions of Partial Differential Equations" - held in Hotel Villa Madruzzo, Cognola,Trento (Italy) in November 30 - December 4, 1992.
  83. Maillet type theorem and its application, (I), (II) (in Japanese), March 12, 13, 1992, Symposium on partial differential equations, Nagoya City University (Nagoya).
  84. On singular nonlinear partial differential equations (in Japanese), January 26, 1991, Symposium on hyperbolic initial value problems, Kenroku-Sou (Kanazawa).
  85. Nonlinear first order partial differential equations of Briot-Bouquet type (in Japanese), November 6, 1990, RIMS Workshop "Structure of solutions of partial differential equations", RIMS (Kyoto).
  86. On non-linear singular first order partial differential equations, December 19, 1989, Symposium on Fuchsian type partial differential equations, Sophia University (Tokyo).
  87. On a class of singular differential operators, September 27, 1988, RIMS Workshop "Algebraic analysis of differential equations", RIMS (Kyoto).
  88. Cauchy problem in Gevrey classes for a class of weakly hyperbolic equations, July 12, 1988, RIMS Workshop "Initial value problem for hyperbolic equations", RIMS (Kyoto).
  89. Local solvability and boundary value problem for Fuchsian type partial differential equations (in Japanese), April 19, 1988, RIMS Workshop "Prospect on algebraic analysis", RIMS (Kyoto).
  90. Fuchsian hyperbolic equations in Gevrey classes (2), October 28, 1987, RIMS Workshop "Various aspects in algebraic analysis", RIMS (Kyoto).
  91. On the local solvability of Fuchsian type partial differential equations, May 21, 1987, "Tsukuba Symposium on hyperbolic Equations", Tsukuba University (Tsukuba).
  92. Local solvability of second order Fuchsian type equations, October 6, 1986, RIMS Workshop "Development of algebraic aanalysis", RIMS (Kyoto).
  93. Asymptotic expansions of distribution solutions of some Fuchsian hyperbolic equations, July 10, 1986, Symposium "Hyperbolic equations of Fuchs type and of Gevrey classes", University of Tokyo (Toky).
  94. Fuchsian hyperbolic equations in Gevrey classes (in Japanese), December 10, 1985, RIMS Workshop "Hyperfunctions and differential equations", RIMS (Kyoto).
  95. Fuchsian hyperbolic equations and Gevrey classes, September 6, 1985, NATO ASI on"Advances in Microlocal nalysis" - held at Il Ciocco (Italy) in September 2-12, 1985.
  96. On Fuchsian hyperbolic partial differential equations, July 2, 1985, Conference on "Differential Equations in Banach Space" - held at University of Bologna, Bologna (Italy) in July 2-5, 1985
  97. Asymptotic expansion of solutions near the singularities of Fuchsian type partial differential equations (in Japanese), February 9, 1985, "Symposium on differential equations with singularities", Waseda University (Tokyo).
  98. On Fuchsian hyperbolic equations (in Japanese), March 19, 1980, RIMS Workshop "Study of linear and nonlinear partial differential equations", RIMS (Kyoto).
  99. Fuchsian hyperbolic equations and related topics (in Japanese), November 6, 1979, RIMS Workshop "Study of the structure of solutions of partial differential equations", RIMS (Kyoto).
  100. On the initial value problem for Fuchsian hyperbolic equations (in Japanese), June 8, 1978, RIMS Workshop "Hyperfunctions and linear differential equations, VI", RIMS (Kyoto).
  101. The structure of local solutions of partial differential equations of the Fuchsian type, April 21, 1976,"Symposium on Algebraic Analysis", RIMS (Kyoto).
  102. Frobenius mathod in Fuchsian type partial differfential equations (in Japanese), RIMS Workshop "Differential equations and hyperfunctions", RIMS (Kyoto).
  103. Structure of hyperfunction solutions of Fuchsian hyperbolic equations (in Japanese), July 31, 1975, RIMS Workshop "Various problems in algebraic analysis", RIMS (Kyoto).
  104. Fuchsian hyperbolic equations (in Japanese), April 7, 1975, RIMS Workshop "Hyperfunctions and linear differential equations, IV", RIMS (Kyoto).
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