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(1998)
Article
Open Access
• #### On the slope of fibred surfaces ﻿

(2000)
Article
Open Access
We give an asymptotically sharp lower bound for the slope $\lambda (f)$ of a fibration $f:S\longrightarrow B$, where $S$ is a surface and $B$ is a curve, if there exists an involution on the general fibre $F$ of $f$. ...

(1998)
Article
Open Access