Title of article :
Uniqueness of matrix square roots under a numerical range condition Original Research Article
Author/Authors :
Michael I. Gekhtman and Charles R. Johnson، نويسنده , , Kazuyoshi Okubo، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2002
Abstract :
For
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let W(A) denote the numerical range of A. It is shown that if W(A)∩(−∞,0)=empty set︀, then A has a unique square root
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with W(B) in the closed right half plane.
Keywords :
Spectrum , Matrix square root , numerical range
Journal title :
Linear Algebra and its Applications
Journal title :
Linear Algebra and its Applications
