4 papers
Discrete signature tensors for persistence landscapes
Vincenzo Galgano, Heather A. Harrington, Daniel Tolosa
Signature tensors of paths are a versatile tool for mathematical data analysis. Recently, they have been applied in the context of vectorisation of persistent homology: after a cho…
Some Classical Invariants, from Harmonic Quadruples to Triangle Groups
Giorgio Ottaviani, Vincenzo Galgano
These notes are an expanded version of the lectures held in Tromso, in May 2025 at the "Lie-Stormer Summer School : Invariant Theory from classics to modern developments", in the f…
On the Coupled Cluster Doubles Truncation Variety of Four Electrons
Fabian M. Faulstich, Vincenzo Galgano, Elke Neuhaus +1
We extend recent algebro-geometric results for coupled cluster theory of quantum many-body systems to the truncation varieties arising from the doubles approximation (CCD), focusin…
Secant varieties of generalised Grassmannians
Vincenzo Galgano
Secant varieties of a homogeneously embedded generalised Grassmannian inherit the natural group action, and one can reduce the study of their local geometric properties to $G…