On canonically fibred algebraic 3-folds - some new examples

Details On canonically fibred algebraic 3-folds - some new examples On canonically fibred algebraic 3-folds - some new examples

2010-05-21

arxiv.org/abs/1005.3886v2

Pure and Applied Mathematics Quarterly 7(2011), 1105--1128

Mathematics

Algebraic Geometry

20 pages, To appear in Pure and Applied Mathematics Quarterly (Special volume for Eckart Viehweg)

Scientific paper

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 examples of smooth minimal 3-folds canonically fibred by surfaces (resp. curves) of geometric genus as large as 19 (resp. 13). As an interesting by-product, we present a new class of general type surfaces which are canonically fibred by curves of genus 13.

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