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arXiv 1105.0127hep-thgr-qcmath-phmath.AGmath.MP
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十一维引力旋量去奇异化的几何学

Geometry of a desingularization of eleven-dimensional gravitational spinors

M. V. Movshev

摘要:

我们证明了由方程$Γ_{αβ}^iλ^αλ^β=0$定义的11维引力旋量空间具有良好的几何性质。特别是各向同性格拉斯曼Ogr(2,11)上的去奇异化纤维。这使我们能够将适用于3型势的线性化11维超引力方程改写为各向同性Grassmannian Ogr(2,11)的超扩展上的Cauchy-Riemann方程。

英文摘要:

We show that the space of gravitational spinors in eleven dimensions, defined by equations $Γ_{αβ}^iλ^αλ^β=0$ admits a desingularization with nice geometric properties. In particular the desingularization fibers over the isotropic Grassmannian OGr(2,11). This enables us to recast equations of linearized eleven-dimensional supergravity adapted to 3-form potential into Cauchy-Riemann equations on a super extension of isotropic Grassmannian OGr(2,11).

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