Makale Koleksiyonu
Recent Submissions
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On the spectrums of some class of selfadjoint singular differential operators
(Ankara University, 2016)Abstract. In this work, based on the Everitt-Zettl and Calkin-Gorbachuk methods in terms of boundary values all selfadjoint extensions of the minimal operator generated by some linear singular multipoint symmetric ... -
Some Korovkin type results via power series method in modular spaces
(Ankara University, 2016)Abstract. In this paper, we obtain a Korovkin type approximation result for a sequence of positive linear operators deÖned on modular spaces with the use of power series method . We also provide an example which satisfies ... -
A trace formula for the sturm-liouville type equation with retarded argument
(Ankara Üniversitesi, 2017)In this paper, we deal with a discontinuous Sturm-Liouville problem with retarded argument and eigenparameter-dependent boundary conditions. We obtain the asymptotic formulas for the eigenvalues and the regularized trace ... -
Korovkin type approximation theorems in weighted spaces via power series method
(Element D.O.O., 2018)In this paper we consider power series method which is also member of the class of all continuous summability methods. We study a Korovkin type approximation theorem for a sequence of positive linear operators acting from ... -
Sturm-Liouville problem with moving discontinuity points
(Springer International Publishing, 2015)In this paper, we present a new discontinuous Sturm-Liouville problem with symmetrically located discontinuities which are defined depending on a parameter in the neighborhood of an interior point in the interval. Also the ... -
A note on the generalized Matsumoto relation
(TUBITAK, 2017)We give an elementary proof of a relation, first discovered in its full generality by Korkmaz, in the mapping class group of a closed orientable surface. Our proof uses only the well-known relations between Dehn twists. © TÜBİTAK. -
Some results concerning the summability of spliced sequences
(TUBİTAK, 2016)A spliced sequence is formed by combining all of the terms of two or more convergent sequences, in their original order, into a new spliced sequence. In this paper replacing convergent sequences by bounded sequences, we ... -
Some results on uniform statistical cluster points
(TUBİTAK, 2017)In this paper, we present some results linking the uniform statistical limit superior and inferior, almost convergence and uniform statistical convergence of a sequence. We also study the relationship between the set of ... -
First order self-adjoint multipoint quasi-differential operators
(TÜBİTAK, 2018)In this paper, using the Calkin-Gorbachuk method, the general form of all self-adjoint operators generated by first order linear singular multipoint quasi-differential expressions in the direct sum of weighted Hilbert ... -
Inclusion results on statistical cluster points
(Springer Netherlands, 2016)We study the concepts of statistical cluster points and statistical core of a sequence for A? methods defined by deleting some rows from a nonnegative regular matrix A. We also relate A?-statistical convergence to ... -
Lightlike hypersurfaces of a semi-riemannian product manifold and quarter-symmetric nonmetric connections
(Hindawi Publishing Corporation, 2012)We study lightlike hypersurfaces of a semi-Riemannian product manifold. We introduce a class of lightlike hypersurfaces called screen semi-invariant lightlike hypersurfaces and radical anti-invariant lightlike hypersurfaces. ... -
Symmetry in complex contact manifolds
(Hitit Üniversitesi Fen Bilimleri Enstitüsü, 2017)Takahashi defined local φ-symmetry for Sasaki-an manifolds by the curvature condition that (()( , ) , )0gR Y ZWTX∇=0 for all horizontal vector fields ,,, ,X Y ZWT ([12]). There are two generalizations ... -
On information geometrical structures
(Hitit Üniversitesi Fen Bilimleri Enstitüsü, 2017-11-18)Information geometry is a modern differential geometric approach to statistics, in particular theory of information. The main motivation for this expository survey article is the lack of compact material that mainly address ...
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