Erhan, İnci

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I.,Erhan
E.,İnci
İ.,Erhan
E.,Inci
İnci, Erhan
E., Inci
Erhan, Inci
Erhan,İ.
Inci, Erhan
Erhan,I.
I., Erhan
Erhan, İnci
Erhan, Inci M.
Erhan, I. M.
Erhan,I.M.
Ercan, I
Erhan, İnci M.
Job Title
Profesör Doktor
Email Address
inci.erhan@atilim.edu.tr
Main Affiliation
Mathematics
Status
Former Staff
Website
ORCID ID
Scopus Author ID
Turkish CoHE Profile ID
Google Scholar ID
WoS Researcher ID

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Scholarly Output

65

Articles

58

Views / Downloads

236/982

Supervised MSc Theses

5

Supervised PhD Theses

0

WoS Citation Count

1515

Scopus Citation Count

1478

Patents

0

Projects

0

WoS Citations per Publication

23.31

Scopus Citations per Publication

22.74

Open Access Source

27

Supervised Theses

5

JournalCount
Fixed Point Theory and Applications10
Filomat5
Abstract and Applied Analysis4
Crystal Research and Technology3
Journal of Inequalities and Applications3
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Scholarly Output Search Results

Now showing 1 - 10 of 44
  • Article
    Citation - WoS: 4
    Citation - Scopus: 3
    Existence of solutions of integral equations via fixed point theorems
    (Springeropen, 2014) Gulyaz, Selma; Erhan, Inci M.
    Existence and uniqueness of fixed points of a mapping defined on partially ordered G-metric spaces is discussed. The mapping satisfies contractive conditions based on certain classes of functions. The results are applied to the problems involving contractive conditions of integral type and to a particular type of initial value problems for the nonhomogeneous heat equation in one dimension. This work is a generalization of the results published recently in (Gordji et al. in Fixed Point Theory Appl. 2012:74, 2012, doi:10.1186/1687-1812-2012-74) to G-metric space.
  • Master Thesis
    B-metrik Uzaylarında Sabit Nokta Teoremleri
    (2015) Isawı, Hıba Tareq Husseın; Erhan, İnci; Karapınar, Erdal
    Bu tezde b-metrik uzayında tanımlı çeşitli büzülme dönüşümlerinin sabit noktaları ile ilgili bazı yeni sonuçlar biraraya getirilmiştir. b-metrik uzayları, metrik uzayların bir genellemesidir ve bu uzaylarda üçgen esşitsizliği, s ≥ 1 bir sabit olmak üzere, d(x,y) ≤ s[d(x,z) + d(z,y)], şeklinde modifiye edilmektedir. Dolayısıyla, metrik uzaylarda var olan tüm sonuçlar, b- metrik uzaylardaki sonuçlardan elde edilebilir. Son yıllarda literatürde b-metrik uzayları ile ilgili çok sayıda çalışma yayınlandı. Bizim amacımız bu çalışmalardan bazılarını tek bir belge olarak toplamak ve derlemektir. Ozel olarak, yardımcı fonksiyonlar aracılığı ile tanımlanan büzülme dönüşümleri için sabit noktaların varlığı ve tekliği ile ilgili teoremler verilmektedir. Birinci bölümde metrik uzayların bazı genellemeleri verilmekte ve Banach büzülme prensibinin bu uzaylardaki versiyonu ifade edilmektedir. Ayrıca bu uzaylara ait örnekler verilmektedir. ˙İkinci bölümde, b-metrik uzaylarında karşılaştırma fonksiyonları aracılığı ile tanımlanan büzülme dönüşümlerinin sabit nokta teoremleri verilmektedir. Bölüm 3'de ise, b-metrik uzaylarında Geraghty tipi büzülme dönüşümleri ele alınmaktadır . Bölüm2 ve Bölüm3'de incelenen büzülme dönüşümleri α-kabullü olarak tanımlanmaktadır. Aslında bu sonuçlar, literatürde var olan teoremleri α-kabullü olacak şekilde düzenlenerek ifade edilmektedir. Bu şekilde, kısmi sıralı uzaylardaki ve standart metrik uzay- lardaki dönüşümlerin ve döngüsel dönüşümlerin, α-kabullü dönüşümlerin sonuçları olarak ifade edilmesi mümkün olur. Dördüncü bölümde kısmi sıralama bağıntısı tanımlanmıs ¸ b-metrik uzaylar için Bölüm 2 ve Bölüm 3'deki teoremler sonuç olarak verilmektedir. α fonksiyonunun özel bir seçimi ile tüm teoremlerin kısmi sıralanmıs ¸ uzaylarda da geçerli olduğu vurgulanmaktadır.
  • Article
    Citation - Scopus: 1
    Some Remarks About the Existence of Coupled g-coincidence Points
    (Springeropen, 2015) Erhan, Inci M.; Roldan-Lopez-de-Hierro, Antonio-Francisco; Shahzad, Naseer
    Very recently, in a series of subsequent papers, Nan and Charoensawan introduced the notion of g-coincidence point of two mappings in different settings (metric spaces and G-metric spaces) and proved some theorems in order to guarantee the existence and uniqueness of such kind of points. Although their notion seems to be attractive, in this paper, we show how this concept can be reduced to the unidimensional notion of coincidence point, and how their main theorems can be seen as particular cases of existing results. Moreover, we prove that the proofs of their main statements have some gaps.
  • Article
    Citation - WoS: 1
    Citation - Scopus: 2
    Common Fixed Point of Multifunctions on Partial Metric Spaces
    (Springer international Publishing Ag, 2015) Aleomraninejad, S. Mohammad Ali; Erhan, Inci M.; Kutbi, Marwan A.; Shokouhnia, Masoumeh
    In this paper, some multifunctions on partial metric space are defined and common fixed points of such multifunctions are discussed. The results presented in the paper generalize some of the existing results in the literature. Several conclusions of the main results are given.
  • Article
    Citation - WoS: 11
    Citation - Scopus: 8
    Coupled Coincidence Point and Coupled Fixed Point Theorems via Generalized Meir-Keeler Type Contractions
    (Hindawi Ltd, 2012) Aydi, Hassen; Karapinar, Erdal; Erhan, Inci M.
    We prove coupled coincidence point and coupled fixed point results of F : X x X -> X and g : X -> X involving Meir-Keeler type contractions on the class of partially ordered metric spaces. Our results generalize some recent results in the literature. Also, we give some illustrative examples and application.
  • Article
    Citation - WoS: 21
    Citation - Scopus: 23
    Best Proximity Points of Generalized Almost Ψ-Geraghty Contractive Non-Self
    (Springer international Publishing Ag, 2014) Aydi, Hassen; Karapinar, Erdal; Erhan, Inci M.; Salimi, Peyman
    In this paper, we introduce the new notion of almost psi-Geraghty contractive mappings and investigate the existence of a best proximity point for such mappings in complete metric spaces via the weak P-property. We provide an example to validate our best proximity point theorem. The obtained results extend, generalize, and complement some known fixed and best proximity point results from the literature.
  • Article
    ON A GENERALIZED α-ADMISSIBLE RATIONAL TYPE CONTRACTIVE MAPPING
    (Yokohama Publ, 2016) Erhan, Inci M.; Kir, Mehmet
    Recently, many generalized contractive conditions which involve rational contractive inequalities have been introduced in the context of partially ordered metric spaces. In this paper, we aim to give a generalized rational contractive condition which involves some of these results without need of extra restrictions.
  • Article
    Citation - WoS: 32
    Citation - Scopus: 45
    Fixed Point Theorems for a Class of Α-Admissible Contractions and Applications To Boundary Value Problem
    (Hindawi Publishing Corporation, 2014) Alsulami, Hamed H.; Gulyaz, Selma; Karapinar, Erdal; Erhan, Inci M.
    A class of alpha-admissible contractions defined via altering distance functions is introduced. The existence and uniqueness conditions for fixed points of such maps on complete metric spaces are investigated and related fixed point theorems are presented. The results are reconsidered in the context of partially ordered metric spaces and applied to boundary value problems for differential equations with periodic boundary conditions.
  • Article
    Citation - WoS: 7
    Citation - Scopus: 9
    Cyclic Contractions and Related Fixed Point Theorems on g-metric Spaces
    (Natural Sciences Publishing Corp-nsp, 2014) Bilgili, N.; Erhan, I. M.; Karapinar, E.; Turkoglu, D.
    Very recently, Jleli and Samet [53] and Samet et. al. [52] reported that some fixed point result in G-metric spaces can be derived from the fixed point theorems in the setting of usual metric space. In this paper, we prove the existence and uniqueness of fixed points of certain cyclic mappings in the context of G-metric spaces that can not be obtained by usual fixed point results via techniques used in [53,52]. We also give an example to illustrate our statements.
  • Article
    Citation - Scopus: 1
    APPLICATIONS OF NON-UNIQUE FIXED POINT THEOREM OF CIRIC TO NONLINEAR INTEGRAL EQUATIONS
    (Department of Mathematics and Computer Sciences, University of Prishtina, 2019) Sevіnіk-Adigіüzel,R.; Karapinar,E.; Erhan,I.
    In this paper we discuss the application of the non-unique fixed point theorem of Cirić to nonlinear Fredholm integral equations. We establish an existence theorem for the solutions of such integral equations and apply the theorem to particular examples. © 2019 Universiteti i Prishtinës, Prishtinë, Kosovë.