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Cluster algebras and higher order generalizations of the q-Painlevé equations of type A7 and A6 (with T. Masuda and N. Okubo)
RIMS Koukyuroku Bessatsu (in press)

Determinant structure for tau-functions of holonomic deformations of linear differential equations (with M. Ishikawa and T. Mano)
Comm. Math. Phys. 363 (2018), 1081--1101

Hermite-Padé approximation, isomonodromic deformation and hypergeometric integral (with T. Mano)
Math. Z. 285 (2017), 397--431

On a fundamental system of solutions of a certain hypergeometric equation
Ramanujan J. 38 (2015), 597--618

Hypergeometric solution of a certain polynomial Hamiltonian system of isomonodromy type
Quart. J. Math. 63 (2012), 489--505

UC hierarchy and monodromy preserving deformation
J. reine angew. Math. 690 (2014), 1--34

Projective reduction of the discrete Painlevé system of type A2 + A1 (with K. Kajiwara and N. Nakazono)
Int. Math. Res. Not. 2011 (2011), 930--966

From KP/UC hierarchies to Painlevé equations
Int. J. Math. 23 (2012), 1250010 (59pp)

Constructing two-dimensional integrable mappings that possess invariants of high degree (with J. Matsukidaira, A. Nobe and H. Tanaka)
RIMS Koukyuroku Bessatsu B13 (2009), 75--84

Ultradiscretization of a solvable two-dimensional chaotic map assciated with the Hesse cubic curve (with K. Kajiwara, M. Kaneko and A. Nobe)
Kyushu J. Math. 63 (2009), 315--338

On an integrable system of q-difference equations satisfied by the universal characters: its Lax formalism and an application to q-Painlevé equations
Comm. Math. Phys. 293 (2010), 347--359

A geometric approach to tau-functions of difference Painlevé equations
Lett. Math. Phys. 85 (2008), 65--78

Ultradiscretization of solvable one-dimensional chaotic maps (with K. Kajiwara and A. Nobe)
J. Phys. A: Math. Theor. 41 (2008), 395202 (13pp)

A class of integrable and nonintegrable mappings and their dynamics (with B. Grammaticos, A. Ramani and T. Takenawa)
Lett. Math. Phys. 82 (2007), 39--49

Tropical representation of Weyl groups associated with certain rational varieties (with T. Takenawa)
Adv. Math. 221 (2009), 936--954

Tropical Weyl group action via point configurations and tau-functions of the q-Painlevé equations
Lett. Math. Phys. 77 (2006), 21--30

Tau functions of q-Painlevé III and IV equations
Lett. Math. Phys. 75 (2006), 39--47

Universal character and q-difference Painlevé equations
Math. Ann. 345 (2009), 395--415

q-Painlevé VI equation arising from q-UC hierarchy (with T. Masuda)
Comm. Math. Phys. 262 (2006), 595--609

Universal characters and q-Painlevé systems
Comm. Math. Phys. 260 (2005), 59--73

Universal characters, integrable chains and the Painlevé equations
Adv. Math. 197 (2005), 587--606

Tau functions of the fourth Painlevé equation in two variables
Funkcial. Ekvac. 48 (2005), 137--145

Folding transformations of the Painlevé equations (with K. Okamoto and H. Sakai)
Math. Ann. 331 (2005), 713--738

Integrable mappings via rational elliptic surfaces
J. Phys. A: Math. Gen. 37 (2004), 2721--30

Rational solutions of the Garnier system in terms of Schur polynomials
Int. Math. Res. Not. 2003 (2003), 2341--58

Universal characters and an extension of the KP hierarchy
Comm. Math. Phys. 248 (2004), 501--526

Toda equation and special polynomials associated with the Garnier system
Adv. Math. 206 (2006), 657--683

Birational symmetries, Hirota bilinear forms and special solutions of the Garnier systems in 2-variables
J. Math. Sci. Univ. Tokyo. 10 (2003), 355--371

Two approximation problems by Hermite, and Schlesinger transformations (in Japanese) (with T. Mano)
RIMS Kokyuroku Bessatsu B47 (2014), 77--86

UC hierarchy, monodromy preserving deformation and hypergeometric function (in Japanese) ("Hook representation of the universal character" in Appendix C)
RIMS Kokyuroku 1765 (2011), 154--167

UC hierarchy, monodromy preserving deformation and hypergeometric function (in Japanese)
Reports of RIAM Symposium 22AO-S8 (2011), 43--49

Symmetrization of q-Painlevé equations (in Japanese) (with K. Kajiwara and N. Nakazono)
Reports of RIAM Symposium 20ME-S7 (2009), 21--28

A geometric approach to tropical Weyl group actions and q-Painlevé equations (with T. Takenawa)
Oberwolfach Reports 5 (2008), 2588--2590

Universal character and q-difference Painlevé equations (in Japanese)
RIMS Kokyuroku 1473 (2006), 1--14

Infinite-dimensional integrable systems associated with universal characters, and Painlevé equations (in Japanese)
Reports of RIAM Symposium 16ME-S1 (2005), 128--136

Integrable mappings via rational elliptic surfaces (in Japanese)
RIMS Kokyuroku 1400 (2004), 31--38

Universal characters and an extension of the KP hierarchy (in Japanese)
RIMS Kokyuroku 1310 (2003), 54--64

Toda equation and special polynomials associated with the Garnier system (in Japanese)
RIMS Kokyuroku 1296 (2002), 128--136

Hierarchical structure and symmetries of the Garnier systems (in Japanese)
RIMS Kokyuroku 1203 (2001), 57--70

Bilinear forms of the Garnier systems in two variables (in Japanese)
Rokko Lectures in Mathematics 7 (2000), 173--182

Universal characters and Integrable systems
Ph.D. thesis, The University of Tokyo, 2003

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