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Autor Matsumoto, Yukio |
Documentos disponibles escritos por este autor (3)
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Matsumoto, Yukio ; Montesinos Amilibia, José María | Departments of Mathematics of Gakushuin University | 1991The authors prove that every geometric orbifold is good. More precisely, let X be a smooth connected manifold, and let G be a group of diffeomorphisms of X with the property that if any two elements of G agree on a nonempty open subset of X, the[...]texto impreso
The authors classify all topological types of degenerate central fibers appearing in holomorphic families of closed Riemann surfaces of genus g?2 over the unit disc. A degenerating family of genus g is a triple (M,D,?) consisting of a 2-dime[...]texto impreso
Surface mapping classes of algebraically finite type were introduced by Nielsen in 1944. Such a mapping class, in Thurston's classification, is reducible and its restriction to the reduced parts is of finite order. In the book under review, such[...]