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    • Another Antimagic Conjecture 

      SIMANJUNTAK, Rinovia; NADEAK, Tamaro; YASIN, Fuad; WIJAYA, Kristiana; HINDING, Nurdin; SUGENG, Kiki Ariyanti (SYMMETRY, 2021-11-02)
      An antimagic labeling of a graph G is a bijection f : E(G) → {1, . . . , |E(G)|} such that the weights w(x) = ∑y∼x f(y) distinguish all vertices. A well-known conjecture of Hartsfield and Ringel (1990) is that every ...
    • Labeling of Chordal Rings 

      Javaid, Imran; Ismail, Abida; Salman, Muhammad; Ahmad, Ali; Slamin, Slamin (2017-09-11)
      The chordal ring of order n, denoted by CRn(x, y, z), is the graph with vertex set Zn, an additive group of integers modulo n, and adjacencies given by i '"i+ x, i '"i + y, i '"i + z for all even vertex i and distinct odd ...