Combining our main result with the work of Alexander, Reeb, Novikov, and Thurston (see [2, 2.5 and 2.8]) and some 3-dimensional topology we obtain the following results.
No takes yet. Share an insight, caveat, or question.
David Gabai (1987) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: