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math.AG2026
The Brauer group of a Stein algebra
Olivier Benoist, James Hotchkiss
We investigate the Brauer group of the ring of holomorphic functions on a finite-dimensional Stein space S. We provide a purely topological computation of this gro…
math.AG2026
The resultant divisor is negative
Olivier Benoist
Fix two integers . We study the birational geometry of a parameter space for pairs of homogeneous polynomials of degrees and in two variables (in which the highe…