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Abstract: This note aims to improve known numerical bounds proved earlier by Chen\cite{PAMS} and Chen-Hacon \cite{Chen-Hacon} and to present some new examplesof smooth minimal 3-folds canonically fibred by surfaces resp. curves ofgeometric genus as large as 19 resp. 13. As an interesting by-product, wepresent a new class of general type surfaces which are canonically fibred bycurves of genus 13.



Author: Meng Chen, Aoxiang Cui

Source: https://arxiv.org/







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