Mean values and curvatures

Santaló, Lluís
We divide this exposition into two parts. The first part refers to the mean value of the Euler-Poincaré characteristic of the intersection of two convex hyper surfaces. The second part deals with the definition of qth total absolute curvatures of a compact n-dimensional variety imbedded in Euclidean space of n+N dimensions, extending some results given in ​
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