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math.AG2025
The intersection of three quadrics in P^7 revisited
R. Donagi, T. Pantev
We show that the natural nc-space attached to an intersection of three quadrics in P^7 is truly non-commutative. In particular, its associated numerical K-lattice is not isomorphic…
math.AG2024
Twistor Hecke eigensheaves in genus 2
Ron Donagi, Tony Pantev, Carlos Simpson
Following the strategy outlined in [DP09] arXiv:math/0604617 and [DP22] arXiv:math/0604617 for bundles of rank 2 on a smooth projective curve of genus , we construct flat connec…
math.AG2023
Moduli stacks of Higgs bundles on stable curves
Oren Ben-Bassat, Sourav Das, Tony Pantev
In this article, we construct a flat degeneration of the derived moduli stack of Higgs bundles on smooth curves using the stack of expanded degenerations of Jun Li. We show that th…