Metrikler
Yayın
153
Açık Erişim
43
BM Sürdürülebilir Kalkınma Amaçları
Duyurular & Dokümanlar
Tez Dosyaları
Dosya İndir
Eğitim Bilgileri
2004 - 2007
2004 - 2007Doktora
Kocaeli Üniversitesi, Fen Bilimleri Enstitüsü, Matematik Anabilim Dalı, Türkiye
1995 - 1997
1995 - 1997Yüksek Lisans
University of Illinois at Urbana-Champaign, Matematik, Matematik, Amerika Birleşik Devletleri
1989 - 1993
1989 - 1993Lisans
İstanbul Teknik Üniversitesi, Fen-Edebiyat, Matematik Mühendisliği, Türkiye
Yaptığı Tezler
2007
2007Doktora
Lyapunov-Schmidt indirgeme metodu ile elde edilen indirgenmiş bifurkasyon denklemi ve analizi
Kocaeli Üniversitesi, Fen Bilimleri Enstitüsü
Yabancı Diller
C2 Ustalık
C2 Ustalıkİngilizce
Araştırma Alanları
Temel Bilimler
Akademik Ünvanlar / Görevler
2021 - Devam Ediyor
2021 - Devam EdiyorProf. Dr.
Kocaeli Üniversitesi, Fen Edebiyat Fakültesi, Matematik
2014 - 2021
2014 - 2021Doç. Dr.
Kocaeli Üniversitesi, Fen Edebiyat Fakültesi, Matematik
2007 - 2014
2007 - 2014Yrd. Doç. Dr.
Kocaeli Üniversitesi, Fen-Edebiyat Fakültesi, Matematik Bölümü
2003 - 2007
2003 - 2007Araştırma Görevlisi
Kocaeli Üniversitesi, Fen-Edebiyat Fakültesi, Matematik Bölümü
Yönetimsel Görevler
2009 - Devam Ediyor
2009 - Devam EdiyorAnabilim/Bilim Dalı Başkanı
Kocaeli Üniversitesi
2019 - 2022
2019 - 2022Dekan Yardımcısı
Kocaeli Üniversitesi, Fen Edebiyat Fakültesi, Matematik
Yönetilen Tezler
2023
2023Doktora
Uzay-zaman kesirli diferansiyel denklemlerinin çözümlerinin analizi
Kodal Sevindir H., DEMİR A. (Eş Danışman)
S.ÇETİNKAYA(Öğrenci)
2019
2019Yüksek Lisans
Kesirli mertebeden difüzyon denklemi için başlangıç sınır değer probleminin çözümü
Demir A. (Danışman)
G.LÜLECİ(Öğrenci)
2019
2019Yüksek Lisans
Küçük gecikme içeren lineer kesirli diferensiyel denklemlerin çözümü
Demir A. (Danışman)
K.KARAPINAR(Öğrenci)
2016
2016Doktora
Durum değişkenine bağlı gecikme terimi içeren diferensiyel denklemlerin analizi
Demir A. (Danışman)
S.ERMAN(Öğrenci)
2012
2012Yüksek Lisans
Adomian ayrıştırma metodu ile ısı transfer denklemi için ters problem analizi
Demir A. (Danışman)
E.KORKMAZ(Öğrenci)
Makaleler
Tümü (98)
SCI-E, SSCI, AHCI (49)
SCI-E, SSCI, AHCI, ESCI (74)
ESCI (25)
Scopus (66)
TRDizin (10)
Diğer Yayınlar (13)
2025
20251. Inverse source problem for time-fractional diffusion equation with nonlocal boundary conditions through two different methods utilizing Hermite polynomials
Bayrak M. A., Demir A.
COMPUTATIONAL & APPLIED MATHEMATICS
, cilt.45, sa.2, 2025 (SCI-Expanded, Scopus)
2025
20252. A New Approach for the Fractional Rosenau–Hyman Problem by ARA Transform
ÇETİNKAYA S., DEMİR A.
Mathematical Methods in the Applied Sciences
, cilt.48, sa.11, ss.10970-10977, 2025 (SCI-Expanded, Scopus)
2025
20253. A NOVEL ANALYTICAL METHOD FOR TIME FRACTIONAL CONVECTION-DIFFUSION EQUATION THROUGH CLIQUE POLYNOMIALS OF THE COCKTAIL PARTY GRAPH
BAYRAK M. A., DEMİR A., Büyük A.
Journal of Applied Analysis and Computation
, cilt.15, sa.1, ss.564-573, 2025 (SCI-Expanded, Scopus)
2025
20254. Analytical and approximate approaches for generalized nonlinear Schrödinger equations involving the M-fractional derivative
BAYRAK M. A., DEMİR A.
Arabian Journal of Mathematics
, 2025 (ESCI, Scopus)
2025
20255. Investigation of inverse problem for unknown coefficient in a time fractional diffusion problem with periodic boundary conditions
ÇETİNKAYA S., BAĞLAN İ., DEMİR A.
COMMUNICATIONS FACULTY OF SCIENCES UNIVERSITY OF ANKARA-SERIES A1 MATHEMATICS AND STATISTICS
, cilt.74, sa.3, ss.403-410, 2025 (ESCI, TRDizin)
2024
20246. On the inverse problem of time dependent coefficient in a time fractional diffusion problem by sinc wavelet collocation method
BAYRAK M. A., DEMİR A.
PHYSICA SCRIPTA
, cilt.99, sa.10, 2024 (SCI-Expanded, Scopus)
2024
20247. The stability analysis of a neural field model with small delay
Ozgur B., DEMİR A.
SIGMA JOURNAL OF ENGINEERING AND NATURAL SCIENCES-SIGMA MUHENDISLIK VE FEN BILIMLERI DERGISI
, cilt.42, sa.3, ss.900-904, 2024 (ESCI, Scopus)
2024
20248. On Applications Shehu Variational Iteration Method to Time Fractional Initial Boundary Value Problems
ÇETİNKAYA S., DEMİR A.
Konuralp Journal of Mathematics
, cilt.12, sa.1, ss.13-20, 2024 (Scopus)
2024
20249. On a Fractional Operator of Adjoint Hybrid Fractional Derivative Operator
BAYRAK M. A., DEMİR A.
Annals of the University of Craiova, Mathematics and Computer Science Series
, cilt.51, sa.1, ss.21-39, 2024 (ESCI, Scopus)
2023
202310. On the Inverse Problem of Time-Dependent Coefficient in a Time Fractional Diffusion Problem by Newly Defined Monic Laquerre Wavelets
Bayrak M. A., Demir A.
JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS
, cilt.18, sa.11, 2023 (SCI-Expanded, Scopus)
2023
202311. Diffusion Equation Including Local Fractional Derivative and Dirichlet Boundary Conditions
ÇETİNKAYA S., DEMİR A.
Konuralp Journal of Mathematics
, cilt.11, sa.2, ss.148-154, 2023 (Scopus)
2023
202312. Diffusion Equation Including Local Fractional Derivative and Dirichlet Boundary Conditions
Çetinkaya S., Demir A.
Konuralp Journal of Mathematics , cilt.11, sa.2, ss.148-154, 2023 (Hakemli Dergi)
2023
202313. On new aspects of Chebyshev polynomials for space-time fractional diffusion process
Demir A., Bayrak M. A., Bulut A., Ozbilge E., Cetinkaya S.
APPLIED MATHEMATICS AND NONLINEAR SCIENCES
, cilt.8, sa.2, ss.1051-1062, 2023 (ESCI, Scopus)
2023
202314. On the Solution of Mathematical Model Including Space-Time Fractional Diffusion Equation in Conformable Derivative, Via Weighted Inner Product
ÇETİNKAYA S., DEMİR A.
Kocaeli Journal of Science and Engineering
, cilt.6, sa.1, ss.1-5, 2023 (TRDizin)
2023
202315. A novel approach for the solution of fractional diffusion problems with conformable derivative
Bayrak M. A., Demir A., Ozbilge E.
NUMERICAL METHODS FOR PARTIAL DIFFERENTIAL EQUATIONS
, cilt.39, sa.3, ss.1870-1887, 2023 (SCI-Expanded, Scopus)
2023
202316. Solving inverse non-linear fractional differential equations by generalized Chelyshkov wavelets
Erman S., DEMİR A., Ozbilge E.
Alexandria Engineering Journal
, cilt.66, ss.947-956, 2023 (SCI-Expanded, Scopus)
2023
202317. On the solution of time fractional initial value problem by a new method with ARA transform
ÇETİNKAYA S., DEMİR A.
Journal of Intelligent and Fuzzy Systems
, cilt.44, sa.2, ss.2693-2701, 2023 (SCI-Expanded, Scopus)
2022
202218. Identification of a time-dependent diffusivity coefficient in heat-like space-time fractional differential equations
Bayrak M. A., Demir A.
Journal of Amasya University the Institute of Sciences and Technology
, cilt.3, sa.2, ss.11-20, 2022 (Hakemli Dergi)
2022
202219. On the challenge of identifying space dependent coefficient in space-time fractional diffusion equations by fractional scaling transformations method
Bayrak M. A., Demir A.
TURKISH JOURNAL OF SCIENCE
, cilt.7, sa.2, ss.132-145, 2022 (Hakemli Dergi)
2022
202220. NUMERICAL SOLUTIONS OF NONLINEAR SYSTEM OF FRACTIONAL DIFFERENTIAL EQUATIONS VIA A NEW INTEGRAL TRANSFORM
Demir A., Çetinkaya S.
TWMS JOURNAL OF PURE AND APPLIED MATHEMATICS
, cilt.12, sa.3, ss.1061-1068, 2022 (Hakemli Dergi)
2022
202221. On the numerical solution of conformable fractional diffusion problem with small delay
Bayrak M. A., Demir A., Ozbilge E.
NUMERICAL METHODS FOR PARTIAL DIFFERENTIAL EQUATIONS
, cilt.38, sa.2, ss.177-189, 2022 (SCI-Expanded, Scopus)
2022
202222. Hybrid Fractional Diffusion Problem with Dirichlet Boundary Conditions
ÇETİNKAYA S., DEMİR A.
JOURNAL OF MATHEMATICAL EXTENSION , cilt.15, sa.5, ss.1-15, 2022 (Hakemli Dergi)
2022
202223. Time fractional problem via ınner product including weighted function
ÇETİNKAYA S., DEMİR A.
Balıkesir Üniversitesi Fen Bilimleri Enstitüsü Dergisi
, cilt.24, 2022 (TRDizin)
2022
202224. Solutions of Fuzzy Time Fractional Heat Equation
ÇETİNKAYA S., DEMİR A.
JOURNAL OF MATHEMATICAL EXTENSION
, sa.6, 2022 (ESCI)
2022
202225. Time fractional problem via inner product including weighted function
ÇETİNKAYA S., DEMİR A.
Journal of Balıkesir University Institute of Science and Technology , cilt.24, sa.1, ss.91-98, 2022 (TRDizin)
2022
202226. ON THE INTEGRAL TRANSFORM SHEHU FOR NONLINEAR FRACTIONAL PROBLEMS
ÇETİNKAYA S., DEMİR A.
MELDAR : REVISTA INTERNACIONAL DE ESTUDIOS SEFARDÍES , 2022 (Hakemli Dergi)
2022
202227. DIFFUSION EQUATION INCLUDING A LOCAL FRACTIONAL DERIVATIVE AND WEIGHTED INNER PRODUCT
ÇETİNKAYA S., DEMİR A.
JOURNAL OF APPLIED MATHEMATICS AND COMPUTATIONAL MECHANICS
, cilt.21, sa.1, ss.19-27, 2022 (ESCI, Scopus)
2022
202228. Effects of the ARA transform method for time fractional problems
ÇETİNKAYA S., DEMİR A.
Centre for Evaluation in Education and Science (CEON/CEES) , cilt.26, 2022 (Hakemli Dergi)
2022
202229. An Improved Version of Residual Power Series Method for Space-Time Fractional Problems
Bayrak M. A., Demir A., Ozbilge E.
ADVANCES IN MATHEMATICAL PHYSICS
, cilt.2022, 2022 (SCI-Expanded, Scopus)
2022
202230. A New Iterative Algorithm for the Time-Fractional Fisher Equation Including Small Delay
Demir A., Bayrak M. A.
Konuralp journal of mathematics
, cilt.10, sa.1, ss.1-10, 2022 (Hakemli Dergi)
2022
202231. On Fractional Newton-Type Method for Nonlinear Problems
Bayrak M. A., Demir A., Ozbilge E.
Journal of Mathematics
, cilt.2022, 2022 (SCI-Expanded, Scopus)
2022
202232. SOLUTIONS FOR THE FRACTIONAL MATHEMATICAL MODELS OF DIFFUSION PROCESS
Çetinkaya S., Bayrak M. A., Demir A., Baleanu D.
FACTA UNIVERSITATIS-SERIES MATHEMATICS AND INFORMATICS
, cilt.37, sa.1, ss.103-120, 2022 (ESCI)
2021
202133. Analysis of fractional Fokker-Planck equation with Caputo and Caputo-Fabrizio derivatives
ÇETİNKAYA S., DEMİR A., BALEANU D.
ANNALS OF THE UNIVERSITY OF CRAIOVA-MATHEMATICS AND COMPUTER SCIENCE SERIES
, sa.2, ss.334-348, 2021 (ESCI, Scopus)
2021
202134. DETERMINATION OF TIME DEPENDENT DIFFUSION COEFFICIENT IN TIME FRACTIONAL DIFFUSION EQUATIONS BY FRACTIONAL SCALING TRANSFORMATIONS METHOD
Bayrak M. A., Demir A.
BULLETIN OF THE INSTITUTE OF MATHEMATICS ACADEMIA SINICA NEW SERIES
, cilt.16, sa.4, ss.303-319, 2021 (ESCI)
2021
202135. A NEW APPROACH FOR THE APPROXIMATE SOLUTION OF FRACTIONAL INTEGRO-DIFFERENTIAL EQUATIONS
Bayrak M. A., Demir A.
BULLETIN OF THE INSTITUTE OF MATHEMATICS ACADEMIA SINICA NEW SERIES
, cilt.16, sa.3, ss.193-215, 2021 (ESCI)
2021
202136. Solving Time Fractional Schrodinger Equation in the Sense of Local Fractional Derivative
Bayrak M. A., Demir A.
JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS
, cilt.16, sa.8, 2021 (SCI-Expanded, Scopus)
2021
202137. Sequential space fractional diffusion equation's solutions via new inner product
ÇETİNKAYA S., DEMİR A.
ASIAN-EUROPEAN JOURNAL OF MATHEMATICS
, cilt.14, sa.7, 2021 (ESCI, Scopus)
2021
202138. Sequential time space fractional diffusion equation including nonhomogenous initial boundary conditions
ÇETİNKAYA S., DEMİR A.
TBILISI MATHEMATICAL JOURNAL
, cilt.14, sa.2, ss.83-91, 2021 (ESCI)
2021
202139. Solution of Space-Time-Fractional Problem by Shehu Variational Iteration Method
Çetinkaya S., Demir A., Kodal Sevindir H.
ADVANCES IN MATHEMATICAL PHYSICS
, cilt.2021, 2021 (SCI-Expanded, Scopus)
2021
202140. ON SOLUTIONS OF HYBRID TIME FRACTIONAL HEAT PROBLEM
ÇETİNKAYA S., DEMİR A.
BULLETIN OF THE INSTITUTE OF MATHEMATICS ACADEMIA SINICA NEW SERIES
, cilt.16, sa.1, ss.49-62, 2021 (ESCI)
2021
202141. NUMERICAL SOLUTIONS OF NONLINEAR FRACTIONAL DIFFERENTIAL EQUATIONS VIA LAPLACE TRANSFORM
Cetinkaya S., Demir A.
FACTA UNIVERSITATIS-SERIES MATHEMATICS AND INFORMATICS
, cilt.36, sa.2, ss.249-257, 2021 (ESCI)
2021
202142. ON THE SOLUTION OF BRATU'S INITIAL VALUE PROBLEM IN THE LIOUVILLE-CAPUTO SENSE BY ARA TRANSFORM AND DECOMPOSITION METHOD
ÇETİNKAYA S., DEMİR A.
COMPTES RENDUS DE L ACADEMIE BULGARE DES SCIENCES
, cilt.74, sa.12, ss.1729-1738, 2021 (SCI-Expanded, Scopus)
2021
202143. SOLUTION OF HYBRID TIME FRACTIONAL DIFFUSION PROBLEM VIA WEIGHTED INNER PRODUCT
ÇETİNKAYA S., DEMİR A.
JOURNAL OF APPLIED MATHEMATICS AND COMPUTATIONAL MECHANICS
, cilt.20, sa.2, ss.17-27, 2021 (ESCI)
2021
202144. On Effects of a New Method for Fractional Initial Value Problems
KODAL SEVİNDİR H., ÇETİNKAYA S., DEMİR A.
ADVANCES IN MATHEMATICAL PHYSICS
, cilt.2021, 2021 (SCI-Expanded, Scopus)
2020
202045. On solution of fractional partial differential equation by the weighted fractional operator
Bayrak M. A., Demir A., Ozbilge E.
Alexandria Engineering Journal
, cilt.59, ss.4805-4819, 2020 (SCI-Expanded, Scopus)
2020
202046. Diffusion Equation Including Local Fractional Derivatıve and Non-Homogenous Dirichlet Boundary Conditions
Çetinkaya S., Demir A.
Journal of Scientific Reports-A , cilt.45, ss.101-110, 2020 (Hakemli Dergi)
2020
202047. DIFFUSION EQUATION INCLUDING LOCAL FRACTIONAL DERIVATIVE AND NON-HOMOGENOUS DIRICHLET BOUNDARY CONDITIONS
ÇETİNKAYA S., DEMİR A.
Journal of Scientific Reports-A , sa.45, ss.101-110, 2020 (TRDizin)
2020
202048. DIFFUSION EQUATION INCLUDING LOCAL FRACTIONAL DERIVATIVE AND NON-HOMOGENOUS DIRICHLET BOUNDARY CONDITIONS
Çetinkaya S., Demir A.
Journal of Scientific Reports-A
, sa.45, ss.101-110, 2020 (TRDizin)
2020
202049. On the construction and stability analysis of the solution of linear fractional differential equation
Erman S., Demir A.
APPLIED MATHEMATICS AND COMPUTATION
, cilt.386, 2020 (SCI-Expanded, Scopus)
2020
202050. Numerical solution of fractional diffusion equation by Chebyshev collocation method and residual power series method
Bayrak M. A., Demir A., Ozbilge E.
Alexandria Engineering Journal
, cilt.59, ss.4709-4717, 2020 (SCI-Expanded, Scopus)
2020
202051. Time Fractional Equation Including Non-homogenous Dirichlet Boundary Conditions
Çetinkaya S., Demir A.
Sakarya University Journal of Science
, cilt.6, sa.24, ss.1185-1190, 2020 (TRDizin)
2020
202052. New approaches for the solution of space-time fractional Schrodinger equation
Demir A., Bayrak M. A., Ozbilge E.
ADVANCES IN DIFFERENCE EQUATIONS
, cilt.2020, sa.1, 2020 (SCI-Expanded, Scopus)
2020
202053. Equation Including Local Fractional Derivative and Neumann Boundary Conditions
ÇETİNKAYA S., DEMİR A.
Kocaeli Journal of Science and Engineering , cilt.3, sa.2, 2020 (TRDizin)
2020
202054. THE ANALYTIC SOLUTION OF SEQUENTIAL SPACE-TIME FRACTIONAL DIFFUSION EQUATION INCLUDING PERIODIC BOUNDARY CONDITIONS
ÇETİNKAYA S., DEMİR A., KODAL SEVİNDİR H.
JOURNAL OF MATHEMATICAL ANALYSIS
, cilt.11, sa.1, ss.17-26, 2020 (ESCI, Scopus)
2020
202055. Time Fractional Diffusion Equation with Periodic Boundary Conditions
Çetinkaya S., Demir A.
Konuralp Journal of Mathematics
, cilt.8, sa.2, ss.337-342, 2020 (Hakemli Dergi)
2020
202056. THE ANALYTIC SOLUTION OF INITIAL BOUNDARY VALUE PROBLEM INCLUDING TIME FRACTIONAL DIFFUSION EQUATION
Çetinkaya S., Demir A., Kodal Sevindir H.
FACTA UNIVERSITATIS-SERIES MATHEMATICS AND INFORMATICS
, cilt.35, sa.1, ss.243-252, 2020 (ESCI)
2020
202057. On the Solutions of Linear Fractional Differential Equations of Order 2q Including Small Delay Where 0 < q < 1
Demir A., Karapinar K., Erman S.
COMMUNICATIONS IN MATHEMATICS AND APPLICATIONS
, cilt.11, ss.31-40, 2020 (ESCI)
2020
202058. The Analytic Solution of Initial Periodic Boundary Value Problem Including Sequential Time Fractional Diffusion Equation
Çetinkaya S., Demir A., Kodal Sevindir H.
COMMUNICATIONS IN MATHEMATICS AND APPLICATIONS
, cilt.11, ss.173-179, 2020 (ESCI)
2020
202059. ON THE EXISTENCE AND UNIQUENESS OF SOLUTIONS FOR A FIRST AND SECOND-ORDER DISCRETE BOUNDARY VALUE PROBLEM
Coskun A., Demir A.
JOURNAL OF MATHEMATICAL ANALYSIS
, cilt.11, sa.2, ss.86-101, 2020 (ESCI, Scopus)
2019
201960. On time-fractional Lotka-Volterra diffusion model
Demir A., Bayrak M. A.
New Trends in Mathematical Science
, cilt.3, sa.7, ss.178-285, 2019 (Hakemli Dergi)
2019
201961. The Analytic Solution of Time-Space Fractional Diffusion Equation via New Inner Product with Weighted Function
Çetinkaya S., Demir A.
COMMUNICATIONS IN MATHEMATICS AND APPLICATIONS
, cilt.10, ss.865-873, 2019 (ESCI)
2018
201862. A new approach for space-time fractional partial differential equations by residual power series method
Bayrak M. A., Demir A.
APPLIED MATHEMATICS AND COMPUTATION
, cilt.336, ss.215-230, 2018 (SCI-Expanded, Scopus)
2018
201863. The stability analysis of a system with two delays
Erman S., Sevindir H., Demir A.
BOUNDARY VALUE PROBLEMS
, 2018 (SCI-Expanded)
2018
201864. An Inverse Source Problem in Time-Space Fractional Differential Equations
ÖZBİLGE KAHVECİ E., DEMİR A.
Applied Mathematics & Information Sciences
, cilt.12, sa.3, ss.587-591, 2018 (Scopus)
2018
201865. ON THE STABILITY OF TWO NEURON POPULATIONS INTERACTING WITH EACH OTHER
Ozgur B., DEMİR A.
ROCKY MOUNTAIN JOURNAL OF MATHEMATICS
, cilt.48, sa.7, ss.2337-2346, 2018 (SCI-Expanded, Scopus)
2018
201866. A note on the stability of a neural field model
Ozgur B., Demir A., Erman S.
HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS
, cilt.47, ss.1495-1502, 2018 (SCI-Expanded, Scopus, TRDizin)
2018
201867. An Approximate Solution of the Time-Fractional Fisher Equation with Small Delay by Residual Power Series Method
Demir A., Bayrak M. A., Özbilge E.
MATHEMATICAL PROBLEMS IN ENGINEERING
, cilt.2018, 2018 (SCI-Expanded, Scopus)
2018
201868. Distinguishability of a source function in a time fractional inhomogeneous parabolic equation with Robin boundary condition
Ozbilge E., DEMİR A.
HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS
, cilt.47, sa.6, ss.1503-1511, 2018 (SCI-Expanded, Scopus, TRDizin)
2018
201869. The Solution of Initial Boundary Value Problem with Time and Space-Fractional Diffusion Equation via a Novel Inner Product
Sevindir H., DEMİR A.
ADVANCES IN MATHEMATICAL PHYSICS
, cilt.2018, 2018 (SCI-Expanded, Scopus)
2017
201770. Determination of an unknown spacewise dependent coefficient for the time-fractional heat equation
Bayrak M. A., Demir A.
European International Journal of Science and Technology , cilt.6, sa.6, 2017 (Hakemli Dergi)
2017
201771. A new approach for determination of boundary functionfor diffusion equation by fourier method
ERMAN S., ÖZGÜR B., DEMİR A.
New Trends in Mathematical Sciences , 2017 (Hakemli Dergi)
2016
201672. An analysis on the stability of a state dependent delay differential equation
Erman S., DEMİR A.
OPEN MATHEMATICS
, cilt.14, ss.425-435, 2016 (SCI-Expanded, Scopus)
2016
201673. Some Stability Charts of A Neural Field Model of Two Neural Populations
Ozgur B., DEMİR A.
COMMUNICATIONS IN MATHEMATICS AND APPLICATIONS
, cilt.7, sa.2, ss.159-166, 2016 (ESCI)
2016
201674. Determination of the Unknown Source Function in Time Fractional Parabolic Equation with Dirichlet Boundary Conditions
ÖZBİLGE KAHVECİ E., DEMİR A., KANCA F., Ozbilge E.
Applied Mathematics & Information Sciences
, cilt.10, sa.1, ss.283-289, 2016 (Scopus)
2016
201675. A Novel Approach for the Stability Analysis of State Dependent Differential Equation
Erman S., DEMİR A.
COMMUNICATIONS IN MATHEMATICS AND APPLICATIONS
, cilt.7, sa.2, ss.105-113, 2016 (ESCI)
2015
201576. IDENTIFICATION OF UNKNOWN COEFFICIENT IN TIME FRACTIONAL PARABOLIC EQUATION WITH MIXED BOUNDARY CONDITIONS VIA SEMIGROUP APPROACH
Ozbilge E., Demir A.
DYNAMIC SYSTEMS AND APPLICATIONS
, cilt.24, sa.3, ss.341-348, 2015 (SCI-Expanded, Scopus)
2015
201577. Numerical solution and distinguishability in time fractional parabolic equation
DEMİR A., Kanca F., Ozbilge E.
BOUNDARY VALUE PROBLEMS
, 2015 (SCI-Expanded, Scopus)
2015
201578. Inverse problem for a time-fractional parabolic equation
Ozbilge E., DEMİR A.
JOURNAL OF INEQUALITIES AND APPLICATIONS
, 2015 (SCI-Expanded, Scopus)
2014
201479. Analysis of the inverse problem in a time fractional parabolic equation with mixed boundary conditions
Ozbilge E., DEMİR A.
BOUNDARY VALUE PROBLEMS
, 2014 (SCI-Expanded, Scopus)
2014
201480. Identification of the unknown diffusion coefficient in a linear parabolic equation via semigroup approach
Ozbilge E., DEMİR A.
ADVANCES IN DIFFERENCE EQUATIONS
, 2014 (SCI-Expanded, Scopus)
2013
201381. Analysis of fractional partial differential equations by Taylor series expansion
DEMİR A., Erman S., Ozgur B., Korkmaz E.
BOUNDARY VALUE PROBLEMS
, 2013 (SCI-Expanded, Scopus)
2013
201382. Analysis of the new homotopy perturbation method for linear and nonlinear problems
Demir A., Erman S., Ozgur B., Korkmaz E.
BOUNDARY VALUE PROBLEMS
, 2013 (SCI-Expanded, Scopus)
2013
201383. Semigroup approach for identification of the unknown diffusion coefficient in a linear parabolic equation with mixed output data
Ozbilge E., DEMİR A.
BOUNDARY VALUE PROBLEMS
, 2013 (SCI-Expanded, Scopus)
2013
201384. Identification of the unknown boundary condition in a linear parabolic equation
DEMİR A., ÖZBİLGE E.
JOURNAL OF INEQUALITIES AND APPLICATIONS
, 2013 (SCI-Expanded, Scopus)
2013
201385. Identification of the unknown coefficient in a quasi-linear parabolic equation by a semigroup approach
ÖZBİLGE E., DEMİR A.
JOURNAL OF INEQUALITIES AND APPLICATIONS
, 2013 (SCI-Expanded, Scopus)
2013
201386. On the Inverse Problem of the Fractional Heat-Like Partial Differential Equations: Determination of the Source Function
ÖZKUM G., DEMİR A., Erman S., Korkmaz E., Ozgur B.
ADVANCES IN MATHEMATICAL PHYSICS
, cilt.2013, 2013 (SCI-Expanded, Scopus)
2012
201287. Stability for determining the principal coefficient of parabolic equation
Demir A., Erdem A.
APPLIED MATHEMATICS AND COMPUTATION
, cilt.219, sa.8, ss.3826-3830, 2012 (SCI-Expanded, Scopus)
2011
201188. Analysis of a semigroup approach in the inverse problem of identifying an unknown parameters
ÖZBİLGE E., DEMİR A.
APPLIED MATHEMATICS AND COMPUTATION
, cilt.218, sa.3, ss.965-969, 2011 (SCI-Expanded, Scopus)
2010
201089. Hybrid Fractional Problem with Periodic Boundary Conditions
ÇETİNKAYA S., DEMİR A.
PUNJAB UNIVERSITY JOURNAL OF MATHEMATICS
, cilt.8, sa.8, ss.400-412, 2010 (ESCI, Scopus)
2009
200990. Analysis for the identification of an unknown diffusion coefficient via semigroup approach
DEMİR A., ÖZBİLGE E.
MATHEMATICAL METHODS IN THE APPLIED SCIENCES
, cilt.32, sa.18, ss.2405-2415, 2009 (SCI-Expanded)
2008
200891. Analysis of a semigroup approach in the inverse problem of identifying an unknown coefficient
DEMİR A., ÖZBİLGE E.
MATHEMATICAL METHODS IN THE APPLIED SCIENCES
, cilt.31, sa.14, ss.1635-1645, 2008 (SCI-Expanded, Scopus)
2008
200892. Parametrized fibonacci search method with k-Lucas numbers
DEMİR A., ÖMÜR N., ULUTAS Y. T.
APPLIED MATHEMATICS AND COMPUTATION
, cilt.198, sa.1, ss.355-360, 2008 (SCI-Expanded, Scopus)
2008
200893. Trisection method by k-Lucas numbers
Demir A.
APPLIED MATHEMATICS AND COMPUTATION
, cilt.198, sa.1, ss.339-345, 2008 (SCI-Expanded, Scopus)
2008
200894. Identification of the unknown diffusion coefficient in a linear parabolic equation by the semigroup approach
DEMİR A., Hasanov A.
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS
, cilt.340, sa.1, ss.5-15, 2008 (SCI-Expanded, Scopus)
2008
200895. Optimization by k-Lucas numbers
DEMİR A., ÖMÜR N., ULUTAS Y. T.
APPLIED MATHEMATICS AND COMPUTATION
, cilt.197, sa.1, ss.366-371, 2008 (SCI-Expanded, Scopus)
2007
200796. Monotonicity of input-output mappings in inverse coefficient and source problems for parabolic equations
HASANOV A., Demir A., Erdem A.
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS
, cilt.335, sa.2, ss.1434-1451, 2007 (SCI-Expanded, Scopus)
2007
200797. Semigroup approach for identification of the unknown diffusion coefficient in a quasi-linear parabolic equation
Demir A., Ozbilge E.
MATHEMATICAL METHODS IN THE APPLIED SCIENCES
, cilt.30, sa.11, ss.1283-1294, 2007 (SCI-Expanded, Scopus)
2006
200698. Delay equations with fluctuating delay related to the regenerative chatter
Demir A., Hasanov A., Namachchivaya N.
INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS
, cilt.41, sa.3, ss.464-474, 2006 (SCI-Expanded, Scopus)
Hakemli Bilimsel Toplantılarda Yayımlanmış Bildiriler
2024
20241. Numerical Scheme of Atangana-Baleanu Fractional Derivative
ÇETİNKAYA S., DEMİR A.
Avrasya 11th International Conference on Applied Sciences, Tashkent, Özbekistan, 1 - 05 Ağustos 2024, ss.152-161, (Tam Metin Bildiri)
2024
20242. On the Solution of Space-Time Fractional Wave Problem with Fractional Neumann Boundary Conditions
ÇETİNKAYA S., DEMİR A.
Avrasya 11th International Conference on Applied Sciences, Tashkent, Özbekistan, 1 - 05 Ağustos 2024, ss.140-151, (Tam Metin Bildiri)
2024
20243. Fractional Initial Value Problem with Caputo and Caputo Fabrizio Fractional Derivatives
ÇETİNKAYA S., DEMİR A.
1. International Üsküdar Scientific Research and Innovation Congress, İstanbul, Türkiye, 19 - 20 Temmuz 2024, ss.443-453, (Tam Metin Bildiri)
2024
20244. The Effect of Euler Method on Fractional Initial Value Problems
ÇETİNKAYA S., DEMİR A.
1. International Üsküdar Scientific Research and Innovation Congress, İstanbul, Türkiye, 19 - 20 Temmuz 2024, ss.454-460, (Tam Metin Bildiri)
2024
20245. On the Solution of Time Fractional Wave Problem With Neumann Boundary Conditions
ÇETİNKAYA S., DEMİR A.
Icsas 1st International Conference On Mathematics, Eskişehir, Türkiye, 26 - 28 Temmuz 2024, ss.57-67, (Tam Metin Bildiri)
2024
20246. Euler Method for Initial Value Problems of Linear Fractional Differential System
ÇETİNKAYA S., DEMİR A.
Icsas 1st International Conference On Mathematics, Eskişehir, Türkiye, 26 - 28 Temmuz 2024, ss.68-79, (Tam Metin Bildiri)
2024
20247. On the Fractional Fornberg-Whitham Equation by Shehu Variational Iteration Method
ÇETİNKAYA S., DEMİR A.
Anadolu 15th International Conference on Applied Sciences, Diyarbakır, Türkiye, 12 - 14 Temmuz 2024, ss.46-55, (Tam Metin Bildiri)
2024
20248. Identification of Source Function in Time Fractional Diffusion Problem by Laplace Transform and Daftardar-Gejji and Jafari Iteration Method
ÇETİNKAYA S., DEMİR A.
Anadolu 15th International Conference on Applied Sciences, Diyarbakır, Türkiye, 12 - 14 Temmuz 2024, ss.56-65, (Tam Metin Bildiri)
2023
20239. Novel Wavelet Approach for Solving Time or Space Fractional Klein-Gordon Problems
Bayrak M. A., Demir A., Erman S., Büyük A.
ICOLES 2023, Antalya, Türkiye, 2 - 05 Kasım 2023, (Yayınlanmadı)
2023
202310. On the Solution of Time Fractional Diffusion Equations with Periodic Boundary Conditions in the Sense of Local Fractional Derivatives
Çetinkaya S., Demir A.
AICNHS 3rd International Conference on New Horizons in Science, Casablanca, Fas, 1 - 03 Eylül 2023, ss.11-20, (Tam Metin Bildiri)
2023
202311. On the Sequential Space Fractional Heat-Like Problems
Çetinkaya S., Demir A.
AICNHS 3rd International Conference on New Horizons in Science, Casablanca, Fas, 1 - 03 Eylül 2023, ss.1-10, (Tam Metin Bildiri)
2023
202312. On the Solution of Diffusion Equation in the Sense of Proportional Fractional Derivative
Çetinkaya S., Demir A.
EU 2nd International Conference on Health, Engineering and Applied Sciences, Belgrade, Sırbistan, 4 - 06 Ağustos 2023, ss.150-162, (Tam Metin Bildiri)
2023
202313. Augmented Shehu Transformations for Space-Time Fractional Diffusion Process
Çetinkaya S., Demir A.
EU 2nd International Conference on Health, Engineering and Applied Sciences, Belgrade, Sırbistan, 4 - 06 Ağustos 2023, ss.126-149, (Tam Metin Bildiri)
2022
202214. A new approach to differential equations using clique collocation method
Büyük A., BAYRAK M. A., DEMİR A.
5th International conference on life and engineering sciences, Alanya, Türkiye, 19 Mayıs 2022, (Tam Metin Bildiri)
2022
202215. On the Sequential Fractional Initial Boundary Problem
Çetinkaya S., Demir A.
International Dumlupınar Science and Mathematics Congress, Kütahya, Türkiye, 5 - 07 Eylül 2022, ss.499-510, (Tam Metin Bildiri)
2022
202216. On the effectiveness of improved adjoint hybrid fractional derivative operator
ERMAN S., BAYRAK M. A., DEMİR A.
Mediterranean International Conference on Research in Applied Sciences, Antalya, Türkiye, 12 Nisan 2022, (Tam Metin Bildiri)
2022
202217. Comparison of finite difference method and residual power series method for time fractional diffusion problems
ERMAN S., BAYRAK M. A., DEMİR A.
International ONLINE conference on mathematical advances and applications (ICOMAA-2022), İstanbul, Türkiye, 11 Nisan 2022, (Tam Metin Bildiri)
2021
202118. On The Solution of Mathematical Problem Including Sequential Time Fractional Wave Equation
AKYOL M., DEMİR A., ÇETİNKAYA S.
4th International E-Conference on Mathematical Advances and Applications (ICOMAA-2021), İstanbul, Türkiye, 26 Mayıs 2021, cilt.4, ss.91-94, (Tam Metin Bildiri)
2019
201919. THE ANALYTIC SOLUTION OF INITIAL BOUNDARY VALUE PROBLEM INCLUDING TIME-FRACTIONAL DIFFUSION EQUATION
ÇETİNKAYA S., DEMİR A.
International Marmara Sciences Congress (Autumn) 2019, Kocaeli, Türkiye, 1 - 03 Kasım 2019, ss.174-179, (Tam Metin Bildiri)
2019
201920. DETECTION OF PREMATURE VENTRICULAR CONTRACTION BY USING ADABOOST ALGORITHM AND FRACTIONAL DERIVATIVE
ÇETİNKAYA S., DEMİR A.
International Marmara Sciences Congress (Autumn) 2019, Kocaeli, Türkiye, 1 - 03 Kasım 2019, ss.180-183, (Tam Metin Bildiri)
2019
201921. The Analytic Solution of Initial Boundary Value Problem Including Space-Time Fractional Diffusion Equation
Çetinkaya S., Demir A.
10th International Conference on Image Processing, Wavelet and Applications (IWW2019), Kocaeli, Türkiye, 18 - 20 Ekim 2019, ss.61, (Özet Bildiri)
2019
201922. Determination of Atrial Premature Beat by Using Adaboost Algorithm and Fractional Derivative
Çetinkaya S., Demir A.
10th International Conference on Image Processing, Wavelet and Applications (IWW2019), Kocaeli, Türkiye, 18 - 20 Ekim 2019, ss.60, (Özet Bildiri)
2019
201923. Detection of Parkinson's Disease via J48 Algorithm (Özet)
Çetinkaya S., Demir A., Kodal Sevindir H.
10th International Conference on Image Processing, Wavelet and Applications (IWW2019), Kocaeli, Türkiye, 18 - 20 Ekim 2019, ss.58, (Özet Bildiri)
2019
201924. Performance Evaluation of Adaboost and Naive Bayes Algorithms for the Detection of Heart Attack (Özet)
Çetinkaya S., Demir A., Kodal Sevindir H.
10th International Conference on Image Processing, Wavelet and Applications (IWW2019), Kocaeli, Türkiye, 18 - 20 Ekim 2019, ss.59, (Özet Bildiri)
2019
201925. Determination of Amyotrophic Lateral Sclerosis Disease Using K Nearest Neighborhood Algorithm
Çetinkaya S., Demir A., Kodal Sevindir H.
International Marmara Science and Social Sciences Congress, Kocaeli, Türkiye, 26 - 28 Nisan 2019, ss.1470-1474, (Tam Metin Bildiri)
2019
201926. Heart Attack Prediction by Using Support Vector Machine
Çetinkaya S., Demir A., Kodal Sevindir H.
International Marmara Science and Social Sciences Congress, Kocaeli, Türkiye, 26 - 28 Nisan 2019, ss.1579-1583, (Tam Metin Bildiri)
2019
201927. THE ANALYTIC SOLUTION OF INITIAL BOUNDARY VALUE PROBLEM INCLUDING SPACE-FRACTIONAL DIFFUSION EQUATION
ÇETİNKAYA S., DEMİR A., BAYRAK M. A.
International Marmara Sciences Congress (Spring 2019), Kocaeli, Türkiye, 26 - 28 Nisan 2019, ss.1453-1457, (Tam Metin Bildiri)
2018
201828. Destek Vektör Makineleri ile Aritmi Sınıflandırılması
Çetinkaya S., Demir A., Kodal Sevindir H.
International Marmara Science and Social Sciences Congress , Kocaeli, Türkiye, 23 - 25 Kasım 2018, ss.1629-1633, (Tam Metin Bildiri)
2018
201829. On The Existence And Uniqueness Of Solutions For A First And Second-Order Discrete Boundary ValueProblem
ERDEM A., DEMİR A.
5Th INTERNATIONAL CONFERENCE ON RECENTADVANCES IN PURE AND APPLIED MATHEMATICS (ICRAPAM 2018), 23 - 27 Temmuz 2018, (Tam Metin Bildiri)
2018
201830. On the Solutions of Linear Fractional Differential Equations of Order 2q , Including Small Delay Where 0q1
DEMİR A., KARAPINAR K.
ICOMATH2018 - INTERNATIONAL CONFERENCE ON MATHEMATICS: AN ISTANBUL MEETING FOR WORLD MATHEMATICIANS, 3 - 06 Temmuz 2018, (Özet Bildiri)
2018
201831. On the Solution of Initial Boundary Value Problem for Space-Fractional Diffusion Equation
DEMİR A., LÜLECİ G.
ICOMATH2018 - INTERNATIONAL CONFERENCE ON MATHEMATICS: AN ISTANBUL MEETING FOR WORLD MATHEMATICIANS, 3 - 06 Temmuz 2018, (Özet Bildiri)
2018
201832. A new iterative algorithm for the time-fractional Fisher equation including small delay
Demir A., Bayrak M. A., Bayrak M.
ICOMAA2018, International Conference on Mathematical Advances and Applications,May 11-13, 2018, İstanbul, Türkiye, 11 - 13 Mayıs 2018, (Özet Bildiri)
2018
201833. A new iterative algorithm on the time-fractional Fisher equation with small delay
Demir A., Bayrak M. A., Bayrak M.
International Conference on Mathematical Advances and Applications, İstanbul, Türkiye, 11 - 13 Mayıs 2018, (Özet Bildiri)
2018
201834. A novel iterative algorithm for the time-fractional Fisher equation with small delay
Demir A., Bayrak M. A., Bayrak M.
International Conference on Mathematical Advances and Applications (ICOMAA2018), İstanbul, Türkiye, 11 - 13 Mayıs 2018, (Özet Bildiri)
2018
201835. A novel iterative algorithm on the time-fractional Fisher equation including small delay
Bayrak M. A., Demir A., Bayrak M.
International Conference on Mathematical Advances and Applications, İstanbul, Türkiye, 11 - 13 Mayıs 2018, (Özet Bildiri)
2017
201736. Determination of an unknown spacewise dependent coefficient for the timefractionalheat equation
BAYRAK M. A., DEMİR A.
International conference on mathematics and Engineering, 10 - 12 Mayıs 2017, (Özet Bildiri)
2017
201737. Determination of an unknown time dependent coefficient for the time fractional heatequation
DEMİR A., BAYRAK M. A.
International conference on Mathematics and Engineering, 10 - 12 Mayıs 2017, (Özet Bildiri)
2017
201738. A new approach for space-time fractional partial differential equations by Residualpower series method
BAYRAK M. A., DEMİR A.
International Conference on mathematics and Engineering, 10 - 12 Mayıs 2017, (Özet Bildiri)
2017
201739. A new approach for the solution of space-time fractional order heat-like partialdifferential equations by Residual power series method
DEMİR A., BAYRAK M. A.
International conference on mathematics and Engineering, 10 - 12 Mayıs 2017, (Özet Bildiri)
2016
201640. The Stability Analysis of a Delay Differential Equation withState Dependent Delay
erman s., DEMİR A.
International Conference on Recent Advances in Pure and Applied Mathematics, 19 - 23 Mayıs 2016, (Özet Bildiri)
2016
201641. On the Stability of a Neural Field Model
ÖZGÜR B., DEMİR A.
International Conference on Recent Advances in Pure and Applied Mathematics, 19 - 23 Mayıs 2016, (Özet Bildiri)
2014
201442. Local Stability Analysis of Strogatz Model with Two Delays
ERMAN S., DEMİR A.
International Congress in Honour of Prof Ravi P. Agarwal, 23 - 26 Haziran 2014, (Özet Bildiri)
2013
201343. On the Existence and Uniqueness of Solutions for Discrete Boundary Value Problems
ERDEM A., DEMİR A.
Nonlinear Phenomena in Complex System, II International Seminar Nonlinear PhenomenologyAdvances, 1 - 05 Ekim 2013, (Özet Bildiri)
2012
201244. Analysis of Fractional Partial Differential Equations by Taylor Series Expansion
DEMİR A., ERMAN S., ÖZGÜR B., BOZTEPE E.
International Congress in Honour of Professor H. M. Srivastava, 23 - 26 Ağustos 2012, (Özet Bildiri)
2012
201245. Inverse Problem of the Fractional Heat-like Partial Differential Equations
DEMİR A., ÖZKUM G., ERMAN S., ÖZGÜR B., BOZTEPE E.
International Congress in Honour of Professor H. M. Srivastava, 23 - 26 Ağustos 2012, (Özet Bildiri)
2012
201246. Inverse Problem of Determining Source Function in a Linear Parabolic Equation by Adomian Decomposition Method
DEMİR A., BOZTEPE E., ÖZGÜR B., ERMAN S.
International Congress in Honour of Professor H. M. Srivastava, 23 - 26 Ağustos 2012, (Özet Bildiri)
2012
201247. Analysis of New Homotopy Perturbation Method for Linear and Nonlinear Problems
DEMİR A., ERMAN S., ÖZGÜR B., BOZTEPE E.
International Congress in Honour of Professor H. M. Srivastava, 23 - 26 Ağustos 2012, (Özet Bildiri)
2010
201048. Analysis of a Semigroup approach in the inverse problem of Identifying an Unknown Parameter
ÖZBİLGE KAHVECİ E., DEMİR A.
International Congress in Honour of Prof HM Srivastava on his 70th Birth Anniversary, 18 - 21 Ağustos 2010, (Özet Bildiri)
2009
200949. Identification of an Unknown Coefficient Approximately
ÖZBİLGE E., DEMİR A.
International Conference on Numerical Analysis and Applied Mathematics, Rethimnon, Yunanistan, 18 - 22 Eylül 2009, cilt.1168, ss.81-82, (Tam Metin Bildiri)
2008
200850. Identification of th Unknown Coefficient in a Linear Parabolic Equation by Semigroup Approach with Mixed Output Data
ÖZBİLGE KAHVECİ E., DEMİR A.
International Conference on Mathematical Analysis, Differential Equations and Their Applications, 12 - 15 Eylül 2008, (Özet Bildiri)
2008
200851. Determination of the Unknown Boundary Condition in a Quasi-Linear Parabolic Equation
ÖZBİLGE KAHVECİ E., DEMİR A.
The 20th International Congress of Jangjeon Mathematical Society, 21 - 23 Ağustos 2008, (Özet Bildiri)
2008
200852. Verification of the Unknown Diffusion Coefficient by Semigroup Method
DEMİR A., ÖZBİLGE KAHVECİ E.
The 20th International Congress of Jangjeon Mathematical Society, 21 Ağustos 2008 - 23 Ağustos 2003, (Özet Bildiri)
Kitaplar
2017
20171. Elemanter Fonksiyonlar
Demir A.
Kompleks Analiz ve Uygulamaları, A. DERNEK, Editör, Nobel Yayın Dağıtım, Ankara, ss.157-211, 2017