• Alternative theories of gravity — canonical dynamics, asymptotic symmetries, teleparallel theory, gravity with torsion
• Black hole physics — thermodynamics, entropy, and information, AdS/CFT correspondence
• Symmetries and integrability — world spinors, Standard Model symmetries, integrable systems, spin chains, Bethe ansatz
• Noncommutative field theories — NC gauge theories, NC Standard Model
• Noncommutative gravity — NC cosmology, NC gravitational waves
• String theory — canonical structure, T-duality, M-theory
• Loop quantum gravity — spin foam models, coupling of matter to gravity, higher gauge theory, higher category theory, numerical simulations
• Foundations of quantum mechanics — quantum information theory, relativistic aspects, gravitational aspects, measurement problem in QM
• Gravitational waves — theoretical aspects, GW in alternative gravity theories
See also the entry in the Serbian Encyclopedia (text in Serbian, by M. Blagojevic).