• An approximate wave solution for perturbed KDV and dissipative NLS equations: weighted residual method 

  Demiray, Hilmi (Işık University Press, 2019-10)

  In the present work, we modified the conventional "weighted residual method" to some nonlinear evolution equations and tried to obtain the approximate progressive wave solutions for these evolution equations. For the ...

• Some bounds on the Seidel energy of graphs 

  Kaya Gök, Gülistan (Işık University Press, 2019)

  This paper includes new bounds concepting the Seidel incidence energy. In the sequel, improved bounds about the Seidel Laplacian energy concerned with the edges and the vertices are established.

• Approximation by Stancu type Jakimovski-Leviatan-Păltănea operators 

  Kumar, Alok; Rai, Vandana (Işık University Press, 2019)

  The present article deals with the general family of summation-integral type operators. Here, we introduce the Stancu type generalization of the Jakimovski-LeviatanPăltănea operators and study Voronovskaja-type asymptotic ...

• On hubtic and restrained hubtic of a graph 

  Khalaf, Shadi Ibrahim; Mathad, Veena (Işık University Press, 2019-05-07)

  In this article, the hubtic number of the join and corona of two connected graphs is computed. The restrained hubtic number ξr(G) of a graph G is the maximum number such that we can partition V (G) into pairwise disjoint ...

• Degree of approximation by product (Ṅ, pn, qn)(E, q) summability of fourier serıes of a signal belonging to Lip(α, r)-class 

  Parida, Priyadarsini; Paikray, Susanta Kumar; Dash, Minaskhi; Misra, Umakanta (Işık University Press, 2019)

  Approximation of periodic functions by different linear summation methods have been studied by many researchers. Further, for sharpening the estimate of errors out of the approximations several product summability methods ...

• Randic type SDI index of certain graphs 

  Prakasha, Kunkanadu Nanjundappa; Kiran, K.; Rakshith, S. (Işık University Press, 2019)

  In this paper, we calculate the Randic type SDI index of double graphs, subdivision graphs and complements of some standard graphs.

• On the estimations of the small eigenvalues of non-self-adjoint Sturm-Liouville operators 

  Nur, Cemile; Veliev, Oktay (Işık University Press, 2019)

  We give a new approach for the estimations of the eigenvalues of non-selfadjoint Sturm-Liouville operators with regular but not strongly regular boundary conditions. Moreover we give the error estimations.

• Some inclusion relations between various subclasses of planar harmonic mappings involving confluent hypergeometric distribution series 

  Porwal, Saurabh (Işık University Press, 2019)

  The purpose of the present paper is to establish connections between various subclasses of harmonic univalent functions by applying certain convolution operator involving Confluent Hypergeometric distribution series. To ...

• Numerical solution of an inverse problem for the Liouville Equation 

  Gölgeleyen, Fikret; Hasdemir, Muhammed (Işık University Press, 2019)

  We consider an inverse problem for the Liouville Equation. We present the solvability conditions and obtain numerical solution of the problem based on the finite difference approximation.

• On gray images of constacyclic codes over the finite ring F? + u?F? + u?F? 

  Özkan, Mustafa; Dertli, Abdullah; Çengellenmiş, Yasemin (Işık University Press, 2019)

  We introduce the finite ring F? + u?F? + u?F?, u? ² = u? , u? ² = 0 , u?.u? = u?.u? = 0 which is not a finite chain ring. We focus on (1 + u?) -constacyclic codes over F? + u?F? + u?F? of odd length. We prove that the Gray ...

• M-polynomial method for topological indices of 3-layered probabilistic neural networks 

  Javaid, Muhammad; Raheem, Abdul; Abbas, Mujhaid; Cao, Jinde (Işık University Press, 2019)

  A molecular network can be uniquely identified by a number, polynomial or matrix. A topological index (TI) is a number that characterizes a molecular network completely which is used to predict the physical features of the ...

• Common fixed point results for w-compatible mappings along with (CLRst) property in fuzzy metric spaces 

  Jain, Manish; Gupta, Neetu; Kumar, Sanjay (Işık University Press, 2019)

  In this paper, we extend the concepts of common property (E.A) and (CLRst ) property for problems in coupled fixed point theory. Employing these notions, we prove some common fixed point results for the pairs of w-compatible ...

• An approximate analytical solution of one-dimensional groundwater recharge by spreading 

  Patel, Mahendrakumar Amrutbhai; Desai, Narendrasinh Bhagwansinh (Işık University Press, 2019)

  The present paper discusses the problem of one dimensional groundwater recharge in the vertical direction. The groundwater is recharged by spreading of water in vertical direction and the moisture content of soil increases. ...

• Adriatic indices and sanskruti index envisage of carbon nanocone 

  Lokesha, Veerebradiah; Muddalapuram, Manjunath; Devendraiah, K. M. (Işık University Press, 2019)

  In [17, 18], D. Vukicevic notified the 148 discrete adriatic indices. They were analyzed on the testing sets provided by the International Academy of Mathematical Chemistry and it had been shown that they have good presaging ...

• Fractional integrals for the product of Srivastava's polynomial and (p, q)-extended hypergeometric function 

  Suthar, Dayalal; Mishra, Lakshmi Narayan; Alaria, Anita; Khan, Arif M. (Işık University Press, 2019)

  The main object of this paper is to present certain new image formulas for the product of general class of polynomial and (p, q)–extended Gauss’s hypergeometric function by applying the Saigo-Maeda fractional integral ...

• A modification of artificial bee colony algorithm for solving initial value problems 

  Günel, Korhan; Gör, İclal (Işık University Press, 2019)

  In this paper, some improvements have been made on Artificial Bee Colony (ABC) algorithm to get numerical solutions of both linear and nonlinear differential equations as initial value problems. The solutions are obtained ...

• Annihilator domination number of tensor product of path graphs 

  Sharma, Khushbu; Sharma, Usha (Işık University Press, 2019)

  An annihilator dominating set (ADS) is a representative technique for finding the induced subgraph of a graph which can help to isolate the vertices. A dominating set of graph G is called ADS if its induced subgraph is ...

• On Hermite-Hadamard type inequalities via Katugampola fractional integrals 

  Yaldız, Hatice (Işık University Press, 2019)

  In this paper, we give new definitons related to Katugampola fractional integral for two variables functions. We are interested in giving the Hermite–Hadamard inequality for a rectangle in plane via convex functions on ...

• Mix-point property in quasi-pseudometric spaces 

  Gaba, Yae Ulrich (Işık University Press, 2019)

  In this article, we give new results in the startpoint theory for quasi-pseudometric spaces. The results we present provide us with the existence of startpoint (endpoint, fixed point) for multi-valued maps defined on a ...

• On new Grüss type inequalities for conformable fractional integrals 

  Set, Erhan; Mumcu, İlker (Işık University Press, 2019)

  We use conformable fractional integral, recently introduced by Khalil et. al. and Abdeljavad, to obtain some new integral inequalities of Grüss type. We show two new theorems associated with Grüss inequality, as well as ...

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