3 papers
gr-qc2026
The free boundary problem in general relativity
Kostas Tzanavaris, Latham Boyle, Neil Turok
We study the action principle for space-times whose boundary is singular. We suggest that it is natural to treat the singularity as a {\it free} boundary, where the variation is un…
hep-th2026
Spacetime Quasicrystals
Latham Boyle, Sotirios Mygdalas
Self-similar quasicrystals (like the famous Penrose and Ammann-Beenker tilings) are exceptional geometric structures in which long-range order, quasiperiodicity, non-crystallograph…
hep-th2025
-Symmetric Kähler-Dirac Fermions
Latham Boyle, Wei-Ning Deng
Kähler-Dirac (KD) spinors have generated excitement in the lattice gauge theory community, as a way to (i) deal with the ``fermion doubling" problems that plague ordinary (Dirac,…