3 papers
quant-ph2026
On Contextuality as a Feature of Logic and Probability Theory
Ask Ellingsen
In quantum mechanics, not everything that can be observed can be observed simultaneously. Observational data exhibits \emph{contextuality} -- a generalisation of nonlocality -- if…
cond-mat.quant-gas2025
Nonlinear Landau levels in the almost-bosonic anyon gas
Alireza Ataei, Ask Ellingsen, Filippa Getzner +3
We consider the quantitative description of a many-particle gas of interacting abelian anyons in the plane, confined in a trapping potential. If the anyons are modeled as bosons wi…
math-ph2023
The six blinds and the elephant or an interdisciplinary selection of measurement features
Ask Ellingsen, Douglas Lundholm, Jean-Pierre Magnot
We propose here selected actual features of measurement problems based on our concerns in our respective fields of research. Their technical similarity in apparently disconnected f…