Chinese Quarterly Journal of Mathematics ›› 1989, Vol. 4 ›› Issue (1): 32-38.
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Abstract:
Let S=AA₁…A, be a simplex in n-dimensional Euclidean Space E with centroid G.The straight line A₁G intersects the surface A₀A₁…A-1 A+1…A,of S at the point G,and the circumsphere F of S at the point A(i=0,1,…,n).
Let the edge-lengths of S be a;₃=A₁A,(i,j=0,1,…,n,i≠j) and the medians be m=A₁G₄(i=0,1,…,n). Following theorem will be proved.
Theorem. For the simplex in E”,we have ...
苏化明. 与单形重心有关的几个几何不等式[J]. Chinese Quarterly Journal of Mathematics, 1989, 4(1): 32-38.
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