This is a preview. Log in through your library . Abstract In 1992, P. $Pol\acute{a}\check{c}ik$ showed that one could linearly imbed any vector field into a scalar ...
On a compact n-dimensional manifold, it is well known that a critical metric of the total scalar curvature, restricted to the space of metrics with unit volume is Einstein. It has been conjectured ...
Any vector can be expressed as a sum of a number of other vectors. The vectors which are summed are called the components of the original vector. When you want to add and subtract two dimensional ...
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