Advances in Theoretical and Mathematical Physics

${\rm SU}(N)$ geometries and topological string amplitudes

The mass of a Lorentzian manifold

Quantum symmetries of face models and the double triangle algebra

G{LSM}s for gerbes (and other toric stacks)

$T$-duality for torus bundles with $H$-fluxes via noncommutative topology. {II}. The high-dimensional case and the $T$-duality group