Browsing Revista Colombiana de Matemáticas by Author "Rada, J."
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On the energy of symmetric matrices and Coulson's integral formula
De la Peña, J. A.; Rada, J.We dene the outer energy of a real symmetric matrix M for the eigenvalues λ1, …, λn of M and their arithmetic mean λ(M). We discuss the properties of the outer energy in contrast to the inner energy defined as Einn(M) = ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Colombiana de Matemáticas.