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arXiv 1004.2872math.DGmath-phmath.MPmath.RT
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常Sectional Curvature流形上Killing张量的代数可积性条件

Algebraic Integrability Conditions for Killing Tensors on Constant Sectional Curvature Manifolds

Konrad P. Schöbel

摘要:

利用n维常截面曲率流形上的两个Killing张量的价空间与代数曲率张量的不可约GL(n+1)-表示空间之间的同构,将Killing张量的Nijenhuis可积条件转化为相应代数曲率张量的纯代数可积条件,得到两个简单的二次和三次代数方程.作为第一个应用程序,我们构建了一个新的家庭可积Killing张量。

英文摘要:

We use an isomorphism between the space of valence two Killing tensors on an n-dimensional constant sectional curvature manifold and the irreducible GL(n+1)-representation space of algebraic curvature tensors in order to translate the Nijenhuis integrability conditions for a Killing tensor into purely algebraic integrability conditions for the corresponding algebraic curvature tensor, resulting in two simple algebraic equations of degree two and three. As a first application of this we construct a new family of integrable Killing tensors.

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