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6 papers · 1 filter
Generalized Kahler geometry and gerbes
C. M. Hull, U. Lindström, M. Roček +2
We introduce and study the notion of a biholomorphic gerbe with connection. The biholomorphic gerbe provides a natural geometrical framework for generalized Kahler geometry in a ma…
On the noncommutative geometry of square superpotential algebras
Charlie Beil
A superpotential algebra is square if its quiver admits an embedding into a two-torus such that the image of its underlying graph is a square grid, possibly with diagonal edges in…
Non-relativistic Branes
Luca Mazzucato, Yaron Oz, Stefan Theisen
We construct gravitational non-relativistic brane solutions of type IIA/IIB string theories and M-theory and their near-horizon geometries. The non-relativistic M2 and M5-brane met…
Bergman Kernel from Path Integral
Michael R. Douglas, Semyon Klevtsov
We rederive the expansion of the Bergman kernel on Kahler manifolds developed by Tian, Yau, Zelditch, Lu and Catlin, using path integral and perturbation theory, and generalize it…
Kinetic terms in warped compactifications
Michael R. Douglas, Gonzalo Torroba
We develop formalism for computing the kinetic terms of 4d fields in string compactifications, particularly with warping. With the help of the Hamiltonian approach, we identify a g…
Dynamics of Warped Flux Compactifications
Gary Shiu, Gonzalo Torroba, Bret Underwood +1
We discuss the four dimensional effective action for type IIB flux compactifications, and obtain the quadratic terms taking warp effects into account. The analysis includes both th…