Yasushi Kasahara. Crossed homomorphisms and low dimensional representations of mapping class groups of surfaces. Transactions of the American Mathematical Society. 2023. 377. 2. 1183-1218
笠原 泰. THE BIRMAN EXACT SEQUENCE AND A VISUALIZATION OF THE LINEARITY FOR MAPPING CLASS GROUP (Geometric and analytic approaches to representations of a group and representation spaces). 数理解析研究所講究録. 2012. 1777. 57-58
笠原 泰. ON REDUCIBLE FINITE SUBGROUPS OF MAPPING CLASS GROUPS OF SURFACES(Complex Analysis on Hyperbolic 3-Manifolds). 数理解析研究所講究録. 1994. 882. 41-46