MATEMATIČKI VESNIK
МАТЕМАТИЧКИ ВЕСНИК



MATEMATIČKI VESNIK
Index of imprimitivity of the non-complete extended $p$-sum of digraphs
Milenko V. Petrić

Abstract

We prove that all components of the non-complete extended $p$-sum (NEPS) of strongly connected digraphs have the same index of imprimitivity. This index is given in dependence of the indices of imprimitivity of digraphs on which the operation is performed.

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Keywords: Index of imprimitivity, product of digraphs.

MSC: 05C40, 05C20

Pages:  57$-$60     

Volume  47 ,  Issue  3$-$4 ,  1995