Trisecting a 4-dimensional book into three chapters
arXiv:2304.12250 · doi:10.1007/s10711-024-00932-0
Abstract
We describe an algorithm that takes as input an open book decomposition of a closed oriented 4-manifold and outputs an explicit trisection diagram of that 4-manifold. Moreover, a slight variation of this algorithm also works for open books on manifolds with non-empty boundary and for 3-manifold bundles over the circle. We apply this algorithm to several simple open books, demonstrate that it is compatible with various topological constructions, and argue that it generalizes and unifies several previously known constructions.
arXiv comment34 pages, 19 figures; V2: Some corrections, clarifications, and modifications following a referee report; V3: Added an example of a twist spun. Final version, to appear in Geom. Dedicata
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