S. M. Hosseini Moghaddam

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Liver disease has emerged as an important cause of morbidity and mortality after renal transplantation (RT). Hepatitis C virus (HCV) is the leading cause of liver disease after RT. The impact of HCV infection on patient and graft survival is currently a major concern. Retrospective studies with appropriate follow-up have mainly demonstrated that HCV(More)
In this paper, we study the signed total domination number in graphs and present new sharp lower and upper bounds for this parameter. For example by making use of the classic theorem of Turán [8], we present a sharp lower bound on Kr+1-free graphs for r ≥ 2. Applying the concept of total limited packing we bound the signed total domination number of G with(More)
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