Mapping class groups of Heegaard splittings of surface bundles
classification
🧮 math.GT
keywords
heegaardsurfacebundleclassgenusgroupsmappingsplittings
read the original abstract
Every surface bundle with genus $g$ fiber has a canonical Heegaard splitting of genus $2g+1$. We classify the mapping class groups of such Heegaard splittings in the case when the surface bundle has a sufficiently complicated monodromy map.
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