On a question of supports

Frédéric Mangolte (1, 2) , Christophe Raffalli

1 LAREMA - Laboratoire Angevin de Recherche en Mathématiques
2 I2M - Institut de Mathématiques de Marseille

We give a sufficient condition in order that $n$ closed connected subsets in the $n$-dimensional real projective space admit a common multitangent hyperplane.

Domaines: Géométrie algébrique [math.AG]

Frédéric Mangolte, Christophe Raffalli. On a question of supports. European Journal of Mathematics, 2022, 8, pp.1036-1041. ⟨hal-03563888⟩