Circling the Square: Deforming fractional D-branes in Type II/$\Omega \mathcal{R}$ orientifolds

Michael Blaszczyk, Gabriele Honecker, Isabel Koltermann

We study complex structure deformations of special Lagrangian cycles associated to fractional D-branes at ${\mathbb{Z}}_2$ singularities in Type II/$\Omega \mathcal{R}$ orientifold models.…