1. A Mathematical Introduction to String Theory;Albeverio,1997
2. Renormalizing curvature integrals on Poincaré–Einstein manifolds;Albin;Adv. Math.,2009
3. The Decomposition of Global Conformal Invariants;Alexakis,2012
4. Heat Kernels and Quantum Gravity;Avramidi,2000
5. Gauged gravity via spectral asymptotics of non-Laplace type operators;Avramidi;J. High Energy Phys.,2004