3 papers
quant-ph2022
Classification of four-rebit states
Heiko Dietrich, Willem A. de Graaf, Alessio Marrani +1
We classify states of four rebits, that is, we classify the orbits of the group in the space $(\mathbb R^2)^{\otimes…
math.RT2021
A note on étale representations from nilpotent orbits
Heiko Dietrich, Wolfgang Globke, Marcos Origlia
A linear étale representation of a complex algebraic group is given by a complex algebraic -module such that has a Zariski-open orbit on and . A c…
math.GR2020
Simply transitive NIL-affine actions of solvable Lie groups
Jonas Deré, Marcos Origlia
Every simply connected and connected solvable Lie group admits a simply transitive action on a nilpotent Lie group via affine transformations. Although the existence is gua…