POSITIVE OPERATORS AND AN INERTIA THEOREM.
Technical summary rept.
WISCONSIN UNIV MADISON MATHEMATICS RESEARCH CENTER
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A generalization of the theorem of Perron-Frobenius is used to prove an inertia theorem, which contains Lyapunovs theorem and Steins theorem as special cases. It is pointed out that there is a close relation between the inertia theorem and known results on M-matrices. Author