EIGENVALUES ON THE BOUNDARY OF CERTAIN INCLUSION FOR THE SPECTRUM OF A MATRIX

(整期优先)网络出版时间:1998-01-11
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Weintroducefourtypesofspecialeigenvalueswhichlieontheboundaryofcertaininclusionregionsforthespectrumofacomplexsquarematrix,i.e.,R_r(G_c)-,O(a)-,B_r(B_c)-.andOB(a)-eigenvalues.Thenwecharacterizetheseeigenvaluesandtheircorrespondingeigenvectorsforirreduciblematrices,Finallywegivesomenewsufficientconditionsforanirreduciblecomplexmatrixtobenonsingular.