1. Evidence for F-theory;Vafa;Nucl. Phys. B,1996
2. Exotic branes in string theory;de Boer;Phys. Rep.,2013
3. A geometry for non-geometric string backgrounds;Hull;J. High Energy Phys.,2005
4. Doubled geometry and T-folds;Hull;J. High Energy Phys.,2007
5. Complex structures, T-duality and worldsheet instantons in born sigma models;Kimura;J. High Energy Phys.,2022