• K-g-fusion woven in Hilbert spaces 

  Sadri, Vahid; Rahimlou, Gholamreza; Ahmadi, Reza (Işık University Press, 2021)

  In this note, we study weaving K-g-fusion frames in separable Hilbert spaces which motivated by a generalized of fusion frames. We present necessary and sufficient conditions for these woven and also construct them by a ...

• Method based on quasi variable mesh for solution of system of second order boundary value problems with mixed boundary conditions 

  Nayak, Sucheta; Khan, Arshad; Mohanty, Ranjan Kumar (Işık University Press, 2021)

  A new numerical method with third order accuracy is presented for the solution of nonlinear two point boundary value problems(BVPs) with mixed boundary conditions using quasi variable mesh. In case of uniform mesh, method ...

• On fuzzy topologies generated by fuzzy relations 

  Mishra, Seema; Srivastava, Rekha (Işık University Press, 2021)

  In this paper, we have introduced a fuzzy topology generated by a fuzzy relation as a generalization of the corresponding concept given by Smithson and obtained sufficient conditions under which this fuzzy topology becomes ...

• Cm-supermagic labeling of friendship graphs 

  Öner, Tarkan; Hussain, Muhammad; Banaras, Shakila (Işık University Press, 2021)

  The friendship graph Fᵐn is obtained by joining n copies of the cycle graph Cm with a common vertex. In this work, we investigate the Cm-supermagic labeling of friendship graphs.

• Radial basis function generated finite difference method for the solution of sinh-Gordon equation 

  Rashidinia, Jalil; Rasoulizadeh, Mohmmad Navaz (Işık University Press, 2021)

  Accuracy of radial basis functions (RBFs) is increased as the shape parameter decreases and produces an ill-conditioned system. To overcome such difficulty, the global stable computation with Gaussian radial basis function-QR ...

• New intuitionistic fuzzy 2- normed I-convergent double sequence spaces by bounded linear operator 

  Khan, Vakeel Ahmed; Fatima, Hira; Ahmad, Mobeen (Işık University Press, 2021)

  Saadati and Park [Saadati. R, and Park J. H., Chaos, Solitons Fractals 2006] [14] introduced the notion of intuitionistic fuzzy normed space. Motivated by this, we introduce some intuitionistic fuzzy 2-normed I-convergent ...

• Controlled multipliers with two operators in Hilbert C*-modules 

  Rashidi-Kouchi, Mehdi; Rahimi, Asghar (Işık University Press, 2021)

  Improving and extending the notion of controlled frames, in this paper, we introduce controlled frames with two operators for Hilbert C*-modules. This generalize controlled frames in Hilbert and Hilbert C*-module. We show, ...

• Impact of initial time difference on stability criteria of impulsive differential equations 

  Mahajan, Pallvi; Srivastava, Sanjay Kumar; Dogra, Rakesh (Işık University Press, 2021)

  In this paper, an impulsive differential system is investigated for the first time for several stability criteria relative to initial time difference. The investigations are carried out by perturbing Lyapunov functions and ...

• Harmonic reciprocal status index and coindex of graphs 

  Ramane, Harishchandra S.; Talwar, Saroja Y. (Işık University Press, 2021)

  The reciprocal status of a vertex u is defined as the sum of reciprocal of the distances between u and all other vertices of a graph G. In this paper we have defined the harmonic reciprocal status index and coindex of a ...

• Fixed points in φ-ordered partial quasi-metric space 

  Leko Moutuou, Domini Jocema; Blessing Khumalo, Precious (Işık University Press, 2021)

  We obtain fixed points for an order preserving mapping in a preordered left p-complete partial quasi-metric space using a preorder induced by an appropriate function. In particular, we do not make use of any contraction condition.

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