#manifolds with corners

topicmanifolds with corners

2 papers · 1 filter

math-ph2026

The reduced Dirac structure of General Relativity on manifolds with corners

Alberto S. Cattaneo, Filippo Fila-Robattino, Manuel Tecchiolli

The paper derives the Poisson structure on the corners of four‑dimensional Palatini‑Cartan gravity, constructs a reduced Dirac structure for corner fields, and shows its equivalenc…

math.DG2026

Remarks on the paper "On Gromov's dihedral extremality and rigidity conjectures" by Jinmin Wang, Zhizhang Xie and Guoliang Yu

Christian Baer, Bernhard Hanke, Thomas Schick

The authors present a counterexample to an index calculation used in a recent paper on self‑adjoint extensions of Dirac‑type operators on manifolds with corners, showing that the c…