Indecomposable surface bundles over surfaces
R. Inanc Baykur, Dan Margalit

TL;DR
This paper constructs infinitely many indecomposable surface bundles over surfaces with specified genera, demonstrating their distinct homotopy types and providing explicit examples for each pair of genera.
Contribution
It introduces explicit constructions of indecomposable surface bundles over surfaces for all relevant genus pairs, expanding the known examples in the field.
Findings
Infinite families of indecomposable surface bundles constructed.
Total spaces are pairwise homotopy inequivalent.
Explicit examples for each genus pair provided.
Abstract
For each pair of integers g at least 2 and h at least 1, we explicitly construct infinitely many fiber sum and section sum indecomposable genus g surface bundles over genus h surfaces whose total spaces are pairwise homotopy inequivalent.
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Taxonomy
TopicsGeometric and Algebraic Topology · Homotopy and Cohomology in Algebraic Topology · Algebraic Geometry and Number Theory
