English

Generic fibrations around multiple fibers

Geometric Topology 2015-02-25 v2

Abstract

Given some type of fibration on a 4-manifold XX with a torus regular fiber TT, we may produce a new 4-manifold XTX_T by performing torus surgery on TT. There is a natural way to extend the fibration to XTX_T, but a multiple fiber (non-generic) singularity is introduced. We construct explicit generic fibrations (with only indefinite fold singularities) in a neighborhood of this multiple fiber. As an application this gives explicit constructions of broken Lefschetz fibrations on all elliptic surfaces (e.g. the family E(n)p,qE(n)_{p,q}). As part of the construction we produce generic fibrations around exceptional fibers of Seifert fibered spaces.

Keywords

Cite

@article{arxiv.1405.6418,
  title  = {Generic fibrations around multiple fibers},
  author = {Kyle Larson},
  journal= {arXiv preprint arXiv:1405.6418},
  year   = {2015}
}

Comments

12 pages, 6 figures. Corrected typos and made minor revisions

R2 v1 2026-06-22T04:22:57.729Z