Michele Graffeo

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math.AG2026

Higgs Grassmannians

Ugo Bruzzo, Michele Graffeo, Beatriz GraÃ±a Otero

We review and study the notion of Higgs Grassmannians, which are schemes parametrizing the Higgs subbundles of a given Higgs bundle over a smooth variety. We write their equations…

math.AG2024

Moduli spaces of $Z / k Z$ -constellations over $A^{2}$

Michele Graffeo

Let $I ¨ : Z / k Z \to SL (2, C)$ be a representation of a finite abelian group and let $Î^{\text{gen}}\subset \text{Hom}_\mathbb{Z}(R(\mathbb{Z}…

Higgs Grassmannians

Moduli spaces of Z/kZ-constellations over A2

Moduli spaces of $Z / k Z$ -constellations over $A^{2}$