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math.CA2026
Reducibility of symmetry on -Painlevé equations
Chihiro Sato, Kouichi Takemura, Ohka Yamashita
It is known that -Painlevé equations admit the symmetry of the extended affine Weyl groups. Kajiwara, Noumi and Yamada developed a unified description of the symmetry by introdu…
math.CA2025
Degenerations of -Heun equation
Chihiro Sato, Kouichi Takemura
We obtain several degenerations of the -Heun equation by considering the linear -difference equations associated to several -Painlevé equations. We establish definitions o…