List of Presentations
- 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.
- 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.
- 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.
- Uniqueness of the solution of some nonlinear singular partial
differential equations, Virtual Conference「Workshop FASnet21」,
Alcala (Spain), June 28 - July 02, 2021.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- (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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- An analogue of Maillet type theorem in convolution
partial differential equations, March 17, 2010,
Symposium on differential equations in Nagoya, Nagoya University
(Nagoya).
- 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.
- Gevrey regularities of solutions of nonlinear
singular partial differential equations, July 14, 2009,
7th ISAAC Congress, Imperial College, London, July 13-18,
2009.
- Coupling of two partial differential equations and its
application, December 21, 2008, Symposium "General study of
differential equations", Kyoto University (Kyoto).
- 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.
- 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).
- 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)
- 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.
- 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.
- (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.
- 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).
- 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.
- 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.
- Coupling of two partial differential equations (in Japanese),
January 14, 2006, Symposium "Recent topics in differential equations
- theory and applications -", Hiroshima University
(Higashi Hiroshima).
- 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.
- 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.
- 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.
- 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), .
- 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.
- 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.
- 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.
- (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.
- 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).
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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).
- On the uniqueness theorem for nonlinear singular partial differential
equations, December 16, 1997, RIMS Workshop "Complex Analysis and
Microlocal Analysis)", RIMS (Kyoto).
- 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).
- 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).
- 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.
- 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).
- 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).
- 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).
- 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.
- 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.
- (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).
- (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).
- 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).
- On the well-posedness in Gevrey classes for Fuchsian hyperbolic
equations, December 3, 1993, Symposium "Initial value problems and
Newton Polygon", Ehime University (Matsuyama).
- 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.
- Holomorphic and singular solutions of non linear singular partial
differential equations, April 6, 1993, RIMS Workshop
"Complex analysis and differential equations",
RIMS (Kyoto).
- 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).
- 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.
- Maillet type theorem and its application, (I), (II) (in Japanese),
March 12, 13, 1992, Symposium on partial differential equations,
Nagoya City University (Nagoya).
- On singular nonlinear partial differential equations (in Japanese),
January 26, 1991, Symposium on hyperbolic initial value problems,
Kenroku-Sou (Kanazawa).
- 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).
- On non-linear singular first order partial differential equations,
December 19, 1989, Symposium on Fuchsian type partial differential
equations, Sophia University (Tokyo).
- On a class of singular differential operators,
September 27, 1988, RIMS Workshop "Algebraic analysis of differential
equations", RIMS (Kyoto).
- 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).
- 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).
- Fuchsian hyperbolic equations in Gevrey classes (2),
October 28, 1987, RIMS Workshop "Various aspects in algebraic
analysis", RIMS (Kyoto).
- On the local solvability of Fuchsian type partial differential
equations, May 21, 1987, "Tsukuba Symposium on hyperbolic
Equations", Tsukuba University (Tsukuba).
- Local solvability of second order Fuchsian type equations,
October 6, 1986, RIMS Workshop "Development of algebraic aanalysis",
RIMS (Kyoto).
- 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).
- Fuchsian hyperbolic equations in Gevrey classes (in Japanese),
December 10, 1985, RIMS Workshop "Hyperfunctions and differential
equations", RIMS (Kyoto).
- 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.
- 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
- 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).
- On Fuchsian hyperbolic equations (in Japanese), March 19, 1980,
RIMS Workshop "Study of linear and nonlinear partial differential
equations", RIMS (Kyoto).
- 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).
- On the initial value problem for Fuchsian hyperbolic equations
(in Japanese), June 8, 1978, RIMS Workshop "Hyperfunctions and linear
differential equations, VI", RIMS (Kyoto).
- The structure of local solutions of partial differential equations
of the Fuchsian type, April 21, 1976,"Symposium on Algebraic
Analysis", RIMS (Kyoto).
- Frobenius mathod in Fuchsian type partial differfential equations
(in Japanese), RIMS Workshop "Differential equations and
hyperfunctions", RIMS (Kyoto).
- Structure of hyperfunction solutions of Fuchsian hyperbolic
equations (in Japanese), July 31, 1975,
RIMS Workshop "Various problems in algebraic analysis",
RIMS (Kyoto).
- Fuchsian hyperbolic equations (in Japanese), April 7, 1975,
RIMS Workshop "Hyperfunctions and linear differential equations,
IV", RIMS (Kyoto).