2 papers
math.AP2026
Proofs on singularity-free solutions and scalarization in nonlinear Einstein-scalar-Gauss-Bonnet cosmology
Chihang He, Chao Liu, Jinhua Wang
The search for singularity-free cosmological solutions has become a highly active topic in the physics community in recent years, yet existing results are largely numerical or base…
math.AP2025
Existence and bounds of nonlinear singularity-free cosmological solutions in a string-inspired gravity
Chihang He, Chao Liu
We provide a rigorous proof for the existence of homogeneous, isotropic and globally singularity-free cosmological solutions in Einstein-dilaton-Gauss-Bonnet (EdGB) gravity with ex…