Browsing Mathematics, Statistics & Physics by Publisher "Boletim da Sociedade Paranaense de Matematica"

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    • Extremal number of theta graphs of order 7 

      Jaradat, M. M.M.; Bataineh, M. S.; Al-Rhayyel, A. A.; Mustafa, Zead ( Boletim da Sociedade Paranaense de Matematica , 2021 , Article)
      For a set of graphsF, letH(n;F) denote the class of non-bipartiteHamiltonian graphs onnvertices that does not contain any graph ofFas a subgraphandh(n;F) = max{E(G) :G∈H(n;F)}whereE(G) is the number of edges inG.In this ...

    • Some fixed and periodic point results for generalized contractions on partial ordered metric space with applications in metric space 

      Jaradat, M. M.M.; Ahmad, Jamshaid; Park, Choonkil; Mustafa, Zead ( Boletim da Sociedade Paranaense de Matematica , 2021 , Article)
      In this paper, we introduce new type of Θ-contraction in termof a self-mapping on a metric space to obtain common fixed point results. Some examples arealso provided to support the validity of our results and concepts ...