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Unifying the inertia and riemann curvature tensors through geometric algebra

机译:通过几何代数统一惯性和黎曼曲率张量

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We follow a common thread to express linear transformations of vectors and bivectors from different fields of physics in a unified way. The tensorial representations are coordinate independent and assume a compact form using Clifford products. As specific examples, we present (a) the inertia tensor as a vector-to-vector as well as a bivector-to-bivector linear transformation; (b) the Newtonian tidal acceleration; and ? the Riemann tensor corresponding to a Schwarzschild black hole as a bivector-to-bivector tensorial transformation. The resulting expressions have a remarkable similarity when expressed in terms of geometric products.
机译:我们遵循一个共同的思路,以统一的方式来表达来自不同物理学领域的矢量和双矢量的线性变换。张量表示是独立于坐标的,并且使用Clifford产品采用紧凑形式。作为具体示例,我们将(a)惯性张量表示为矢量到矢量以及双矢量到双矢量的线性变换; (b)牛顿潮汐加速度;和?对应于Schwarzschild黑洞的黎曼张量为双矢量到双矢量张量变换。当以几何乘积表示时,所得表达式具有显着的相似性。

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