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hep-th2026
The warp factor of supersymmetric near-horizon geometries: single-point rigidity, the perfect square, and global constraints
Usman Kayani
On a compact connected section of a supersymmetric -horizon the Killing-spinor bilinears give a pointwise identity relating the warp factor , the rotation one-form…
hep-th2026
A second rotational Killing field on gauged vector-multiplet horizons, and a no-go for varying-moduli black rings
Usman Kayani
We study supersymmetric near-horizon geometries of gauged supergravity coupled to vector multiplets, on the branch where the canonical rotational Killing vector of…