Document Type: Original Manuscript

Authors

• A. Behtoei
• E. Vatandoost
• F. Azizi Rajol Abad

Department of Mathematics, Imam Khomeini International University, P.O.Box 34149-16818, Qazvin, Iran.

Abstract

In this paper we study the signed Roman domination
number of the join of graphs. Specially, we determine it for the
join of cycles, wheels, fans and friendship graphs.

Keywords

• Signed Roman domination‎
• ‎Join‎
• ‎Cycle‎
• ‎Wheel‎‎
• ‎Friendship