Advances in Theoretical and Mathematical Physics

Ghost structure and closed strings in vacuum string field theory

Toric morphisms and fibrations of toric Calabi-Yau hypersurfaces

Isolated horizons in $2 + 1$ gravity

Hyperkähler manifolds and birational transformations

Topological quantum field theory for Calabi–Yau threefolds and $G_2$-manifolds

Corrections to “Spin foam quantization of $SO(4)$ Plebanski’s action”