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math.AG2024
A polyptych of multi-centered deformation spaces
Adrien Dubouloz, Arnaud Mayeux
Extending Verdier's deformation space to the normal cone of a closed subscheme and Rost's double deformation space of a pair of nested closed subschemes, we introduce a notion of d…
math.AG2024
Completions of the affine -space into del Pezzo fibrations
Adrien Dubouloz, Takashi Kishimoto, Masaru Nagaoka
We give constructions of completions of the affine -space into total spaces of del Pezzo fibrations of every degree other than over the projective line. We show in particula…