Orbifold fundamental group finiteness conjecture for slope rationally connected pairs
Orbifold fundamental group finiteness conjecture for slope rationally connected pairs
Let be a smooth connected orbifold pair as above, with integral, and let and denote its topological and algebraic orbifold fundamental groups. Write for the union of components of having multiplicity .
Orbifold fundamental group conjecture. The group is almost abelian, finite if is klt, and trivial if is purely logarithmic or if ; the same assertions hold for .
The claim is presented as a consequence of the preceding special-orbifold fundamental-group conjecture, since slope rationally connected orbifold pairs are special. Its resolution status is not given in the supplied text.
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Sources & referencesView supporting material
Primary source
Frederic Campana, “Orbifold slope-rational connectedness”, arXiv:1607.07829 (2017).
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