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Orientifold Precis

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arxiv 0906.0795 v2 pith:THCJV4WP submitted 2009-06-03 hep-th math.ATmath.DG

Orientifold Precis

classification hep-th math.ATmath.DG
keywords orientifoldanomalybackgroundcancellationchargecomputationconciseconstruction
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We give a precise and concise formulation of the orientifold construction in Type II superstring theory. Our results include anomaly cancellation on the worldsheet and a spacetime computation of the background Ramond-Ramond charge.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. From Baby Universes to Narain Moduli: Topological Boundary Averaging in SymTFTs

    hep-th 2026-05 unverdicted novelty 7.0

    Ensemble averaging in low-dimensional holography is reinterpreted as averaging over topological boundary conditions in a fixed SymTFT slab, reproducing Poisson moments in the Marolf-Maxfield model and Zamolodchikov me...

  2. What makes spacetime spin in string theory?

    hep-th 2026-06 unverdicted novelty 6.0

    GSO projection consistency in Type II string theory requires the target space X to admit a spin structure (or G-equivariant spin structure for orbifolds), identified by computing the mixed bordism group Ω₃^spin(Bℤ₂ × ...

  3. From Baby Universes to Narain Moduli: Topological Boundary Averaging in SymTFTs

    hep-th 2026-05 unverdicted novelty 6.0

    Ensemble averaging in holography is reframed as averaging over topological completions of a relative theory via SymTFT boundary conditions, reproducing known moments in Marolf-Maxfield and Narain models.

  4. Flux Quantization of Type IIA in Unstable K-Theory

    hep-th 2026-05 unverdicted novelty 5.0

    Deformation of unstable K-theory quantizes D0/D2/NS5 and NS1/D4 brane fluxes in Type IIA and oxidizes to M-brane quantization.