Rimma Hämäläinen, Jason Lo, Edward Morales
Published 2022-10-05Version 1
On an elliptic surface or threefold, Catalan numbers appear when one tries to compute the autoequivalence group action on the Bridgeland stability manifold. We explain why this happens by identifying a class of equations in the Chow ring of a fibration, where the solutions always involve Catalan numbers.
Bounding tangencies of sections on elliptic surfaces
A note on Bridgeland stability conditions and Catalan numbers
A natural basis for intersection numbers
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