楕円 Ruijsenaars 差分作用素の形式的固有函数 (可積分系数理の深化と展開)

Mathematical structures of integrable systems, its deepening and expansion. September 9-11, 2019. edited by Takao Suzuki. The papers presented in this volume of RIMS Kokyuroku Bessatsu are in final form and refereed.