On functions which preserve the class of Stieltjes matrices

Charles A. Micchelli; R. Willoughby

doi:10.1016/0024-3795(79)90098-3

Linear Algebra and Its Applications

Paper

01 Jan 1979

On functions which preserve the class of Stieltjes matrices

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Abstract

A positive definite symmetric matrix is called a Stieltjes matrix provided that all its off diagonal elements are nonpositive. We characterize functions which preserve the class of Stieltjes matrices. © 1979.

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