3 papers
gr-qc2026
Les Houches lectures on Spinfoam Path Integrals
Oleksandra Hrytseniak, Etera R. Livine, Valentine Maris
In these lecture notes for the Les Houches School on Loop Quantum Gravity 2025, which took place in September 2025, we give a pedagogical review of the basics of the spinfoam frame…
hep-th2025
Star-products for Lie-algebraic noncommutative Minkowski space-times
Valentine Maris, Filip Požar, Jean-Christophe Wallet
Poisson structures of the Poincaré group can be linked to deformations of the Minkowski space-time, classified some time ago by Zakrewski. Based on this classification, various qu…
hep-th2025
Quantum causality in kappa Minkoswki
Valentine Maris
Recent results on causality in noncommutative space-time are reviewed. We study, in particular, quantum causal structures in 1+1 dimensional kappa Minkowski space-time. This later…