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math.AG2026
Pure extension of the theta divisor over the moduli space of abelian varieties
Ana María Botero, José Ignacio Burgos Gil, David Holmes +1
A theta divisor on the universal principally polarised abelian variety can be extended to a compactification either by taking the Zariski closure, or by taking the unique extension…
math.AG2014
Néron models and the height jump divisor
Owen Biesel, David Holmes, Robin de Jong
We define an algebraic analogue, in the case of jacobians of curves, of the height jump divisor introduced recently by R. Hain. We give explicit combinatorial formulae for the heig…