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Analele ştiinţifice ale Universităţii "Ovidius" Constanţa. Seria Matematică

Volume 24 (2016): Issue 2 (June 2016)

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21 Articles
Open Access | Sep 21, 2017
Relation Between Groups with Basis Property and Groups with Exchange Property
Al Khalaf Khalaf

Al Khalaf Khalaf

Department of Mathematics, College of Sciences, Al-Imam Mohammad Ibn Saud Islamic, University, P.O. Box 90950,Riyadh, Saudi Arabia
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Khalaf, Al Khalaf
 and 
Mohammed Alkadhi

Mohammed Alkadhi

Department of Mathematics, College of Sciences, Al-Imam Mohammad Ibn Saud Islamic University, P.O. Box 90950,Riyadh, Saudi Arabia
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Alkadhi, Mohammed
  
Open Access | Sep 21, 2017
Prime filters of hyperlattices
Reza Ameri

Reza Ameri

Department of Mathematics, Tehran University,Tehran, Iran
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Ameri, Reza
, 
M. Amiri-Bideshki

M. Amiri-Bideshki

Department of Mathematics, Payame-Noor University, Tehran,Tehran, Iran
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Amiri-Bideshki, M.
, 
Arsham Borumand Saeid

Arsham Borumand Saeid

Department of Pure Mathematics, Faculty of Mathematics and Computer, Shahid Bahonar University of Kerman,Kerman, Iran
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Saeid, Arsham Borumand
 and 
Sarka Hoskova-Mayerova

Sarka Hoskova-Mayerova

Department of Mathematics and Physics, University of Defence, Kounicova 65,Brno, Czech Republic
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Hoskova-Mayerova, Sarka
  
Open Access | Sep 21, 2017
Approximating Fixed Points of Nonself Contractive Type Mappings in Banach Spaces Endowed with a Graph
Laszlo Balog

Laszlo Balog

Department of Mathematics and Computer Science, North University Center at Baia Mare, Victorie1 76, 430122Baia Mare, Romania
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Balog, Laszlo
, 
Vasile Berinde

Vasile Berinde

  • Department of Mathematics and Computer Science, North University Center at Baia Mare, Victorie1 76, 430122Baia Mare, Romania
  • Department of Mathematics and Statistics, King Fahd University of Petroleum and Minerals,Dhahran, Saudi Arabia
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Berinde, Vasile
 and 
Mădălina Păcurar

Mădălina Păcurar

Department of Statistics, Analysis, Forecast and Mathematics, Faculty of Economics and Bussiness Administration, Babeş-Bolyai University of Cluj-Napoca,Cluj-Napoca, Romania
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Păcurar, Mădălina
  
Open Access | Sep 21, 2017
Equivalence of Control Systems on the Pseudo-Orthogonal Group SO (2, 1)0
Rory Biggs

Rory Biggs

Department of Mathematics, Rhodes University, PO Box 94, 6140Grahamstown, South Africa
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Biggs, Rory
 and 
Claudiu C. Remsing

Claudiu C. Remsing

Department of Mathematics, Rhodes University, PO Box 94, 6140Grahamstown, South Africa
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Remsing, Claudiu C.
  
Open Access | Sep 21, 2017
A local minimum theorem and critical nonlinearities
Gabriele Bonanno

Gabriele Bonanno

Department of Engineering, University of Messina, c/da Di Dio,Messina, Italy
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Bonanno, Gabriele
, 
Giuseppina D’Aguì

Giuseppina D’Aguì

Department of Engineering, University of Messina, c/da Di Dio,Messina, Italy
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D’Aguì, Giuseppina
 and 
Donal O’Regan

Donal O’Regan

School of Mathematics, Statistics and Applied Mathematics, National University of Ireland,Galway, Ireland
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O’Regan, Donal
  
Open Access | Sep 21, 2017
On sortable intervals of monomials
Vittoria Bonanzinga

Vittoria Bonanzinga

Department DIIES, Mediterranean University of Reggio Calabria, via Graziella (Feo di Vito) 89100Reggio Calabria, Italia
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Bonanzinga, Vittoria
 and 
Shalom Eliahou

Shalom Eliahou

Univ. Littoral Côte d’Opale, EA 2597 LMPA - Laboratoire de Mathématiques Pures et Appliqées Joseph Liouville, F-62228Calais, France
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Eliahou, Shalom
  
Open Access | Sep 21, 2017
Repdigits as Euler functions of Lucas numbers
Jhon J. Bravo

Jhon J. Bravo

Departamento de Matemäticas, Universidad del Cauca, Calle 5 No 4–70,Popayän, Colombia
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Bravo, Jhon J.
, 
Bernadette Faye

Bernadette Faye

School of Mathematics, University of the Witwatersrand, Private Bag X3, Wits 2050, South Africa and AIMS-Sengal, Km 2 route de Joal (Centre IRD Mbour), BP: 64566Dakar-Fann, Senegal
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Faye, Bernadette
, 
Florian Luca

Florian Luca

  • The John Knopfmacher Centre for Applied Analysis and Number Theory, School of Mathematics, University of the Witwatersrand, Private Bag X3, Wits 2050,Witwatersrand, South Africa
  • Centro de Ciencias Matemäticas UNAM,Morelia, Mexico
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Luca, Florian
 and 
Amadou Tall

Amadou Tall

AIMS-Senegal, Km 2 route de Joal (Centre IRD Mbour), BP: 64566Dakar-Fann, Senegal
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Tall, Amadou
  
Open Access | Sep 21, 2017
Properties of a new integral operator
Roberta Bucur

Roberta Bucur

Department of Mathematics, University of Piteşti, Târgul din Vale St., No.1, 110040Piteşti, Romania
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Bucur, Roberta
, 
Loriana Andrei

Loriana Andrei

Department of Mathematics and Computer Science, University of Oradea, 1 Universitatii St., 410087Oradea, Romania
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Andrei, Loriana
 and 
Daniel Breaz

Daniel Breaz

Department of Mathematics, “1 Decembrie 1918” University of Alba Iulia, N. Iorga St., No. 11-13, 510009Alba Iulia, Romania
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Breaz, Daniel
  
Open Access | Sep 21, 2017
Computing abelian subalgebras for linear algebras of upper-triangular matrices from an algorithmic perspective
Manuel Ceballos

Manuel Ceballos

Departamento de Geometría y Topología, Facultad de Matemáticas, Universidad de Sevilla, Aptdo. 1160, 41080Sevilla, Spain
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Ceballos, Manuel
, 
Juan Núñez

Juan Núñez

Departamento de Geometría y Topología, Facultad de Matemáticas, Universidad de Sevilla, Aptdo. 1160, 41080Sevilla, Spain
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Núñez, Juan
 and 
Ángel F. Tenorio

Ángel F. Tenorio

Departamento de Economía, Métodos Cuantitativos e Historia Económica, Escuela Politécnica Superior, Universidad Pablo de Olavide, Ctra. Utrera Km. 1, 41013Sevilla, Spain
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Tenorio, Ángel F.
  
Open Access | Sep 21, 2017
On the binomial edge ideals of block graphs
Faryal Chaudhry

Faryal Chaudhry

Abdus Salam School of Mathematical Sciences, GC University, Lahore 68-B, New Muslim Town,Lahore, Pakistan
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Chaudhry, Faryal
, 
Ahmet Dokuyucu

Ahmet Dokuyucu

  • Faculty of Mathematics and Computer Science, Ovidius University of Constanta, Bd. Mamaia 124, 900527Constanta, Romania
  • Department of Information Technology, Lumina-The University of South-East Europe, Sos. Colentina nr. 64b,Bucharest, Romania
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Dokuyucu, Ahmet
 and 
Rida Irfan

Rida Irfan

Abdus Salam School of Mathematical Sciences, GC University, Lahore 68-B, New Muslim Town,Lahore, Pakistan
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Irfan, Rida
  
Open Access | Sep 21, 2017
Closed orders and closed graphs
Marilena Crupi

Marilena Crupi

University of Messina, Viale Ferdinando Stagno d'Alcontres, 31 98166Messina, Italy
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Crupi, Marilena
  
Open Access | Sep 21, 2017
On Normal Subgroups of Generalized Hecke Groups
Bilal Demir

Bilal Demir

Necatibey Faculty of Education, Department of Secondary Mathematics Education, Balıkesir University, 10100Balıkesir, Turkey
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Demir, Bilal
, 
Özden Koruoğlu

Özden Koruoğlu

Necatibey Faculty of Education, Department of Secondary Mathematics Education, Balıkesir University, 10100Balıkesir, Turkey
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Koruoğlu, Özden
 and 
Recep Sahin

Recep Sahin

Faculty of Science and Arts, Department of Mathematics, Balıkesir University, 10145 Çağış Campus,Balıkesir, Turkey
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Sahin, Recep
  
Open Access | Sep 21, 2017
Classification of Filiform Lie Algebras up to dimension 7 Over Finite Fields
Óscar J. Falcón

Óscar J. Falcón

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Falcón, Óscar J.
, 
Raúl M. Falcón

Raúl M. Falcón

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Falcón, Raúl M.
, 
Juan Núñez

Juan Núñez

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Núñez, Juan
, 
Ana M. Pacheco

Ana M. Pacheco

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Pacheco, Ana M.
 and 
M. Trinidad Villar

M. Trinidad Villar

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Villar, M. Trinidad
  
Open Access | Sep 21, 2017
On the number of diamonds in the subgroup lattice of a finite abelian group
Dan Gregorian Fodor

Dan Gregorian Fodor

Faculty of Mathematics “Al.I. Cuza” University Iaşi,Iaşi, Romania
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Fodor, Dan Gregorian
 and 
Marius Tărnăuceanu

Marius Tărnăuceanu

Faculty of Mathematics “Al.I. Cuza” University Iaşi,Iaşi, Romania
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Tărnăuceanu, Marius
  
Open Access | Sep 21, 2017
Flat local morphisms of rings with prescribed depth and dimension
Cristodor Ionescu

Cristodor Ionescu

Simion Stoilow Institute of Mathematics of the Romanian Academy, PO Box 1-764, 014700Bucharest, Romania
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Ionescu, Cristodor
  
Open Access | Sep 21, 2017
Study of Hilbert algebras in point of filters
Ali Soleimani Nasab

Ali Soleimani Nasab

  • Department of Pure Mathematics, Faculty of Mathematics and Computer, Shahid Bahonar University of Kerman,Kerman, Iran
  • Shahid Chamran Faculty, Technical and Vocational University,Kerman, Iran
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Nasab, Ali Soleimani
 and 
Arsham Borumand Saeid

Arsham Borumand Saeid

Department of Pure Mathematics, Faculty of Mathematics and Computer, Shahid Bahonar University of Kerman,Kerman, Iran
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Saeid, Arsham Borumand
  
Open Access | Sep 21, 2017
On the weak limit of compact operators on the reproducing kernel Hilbert space and related questions
Suna Saltan

Suna Saltan

Department of Mathematics, Suleyman Demirel University, 32260Isparta, Turkey
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Saltan, Suna
  
Open Access | Sep 21, 2017
Some bounds for the relative generalized Hamming weights of some evaluation codes
Manuel González Sarabia

Manuel González Sarabia

  • Instituto Politécnico Nacional, UPIITA, Av. IPN No. 2580, Col. Barrio la Laguna, Ticomán, Gustavo A. Madero, C.P. 07340, Mexico,Ciudad de México, Mexic
  • D.F. Departamento de Ciencias Básicas,Bogotá, Colombia
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Sarabia, Manuel González
  
Open Access | Sep 21, 2017
Integral theorems for the quaternionic G-monogenic mappings
V. S. Shpakivskyi

V. S. Shpakivskyi

Department of complex analysis and potential theory, Institute of Mathematics of the National Academy of Science of Ukraine, 3 Tereshchenkivs'ka Street,Kyiv, Ukraine
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Shpakivskyi, V. S.
 and 
T. S. Kuzmenko

T. S. Kuzmenko

Department of complex analysis and potential theory, Institute of Mathematics of the National Academy of Science of Ukraine, 3 Tereshchenkivs'ka Street,Kyiv, Ukraine
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Kuzmenko, T. S.
  
Open Access | Sep 21, 2017
Extremal problem on (2n, 2m – 1)-system points on the rays
Andrey Targonskii

Andrey Targonskii

Department of Mathematics, Zhitomir State University, Veluka Berdichivska, 40, 10008Zhitomir, Ukraine
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Targonskii, Andrey
  
Open Access | Sep 21, 2017
Some properties of n-dimensional (∈γ, ∈γ, ∨qδ)-fuzzy subalgebra in BRK-algebras
Muhammad Zulfiqar

Muhammad Zulfiqar

Department of Mathematics GC University LahoreLahore, Pakistan
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Zulfiqar, Muhammad
  

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