Eigenvalues of real symmetric matrices

2014/06/02 by Geck, Meinolf
#15A18 #FOS: Mathematics #History and Overview (math.HO)

paper · doi:10.48550/arxiv.1406.0259

Abstract

We present a proof of the existence of real eigenvalues of real symmetric matrices which does not rely on any limit or compactness arguments, but only uses the notions of "sup", "inf".

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