Browsing by Author "Özel, Cenap"
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A classification of a totally umbilical slant submanifold of cosymplectic manifolds
Uddin, Siraj; Özel, Cenap; Khan, Viqar Azam (Hindawi Publishing Corporation, 2012)We study slant submanifolds of a cosymplectic manifold. It is shown that a totally umbilical slant submanifold M of a cosymplectic manifold (M) over bar is either an antiinvariant submanifold or a 1dimensional submanifold. ... 
A Classification theorem on totally umbilical submanifolds in a cosymplectic manifold
Uddin, Siraj; Özel, Cenap (2014)In the present paper, we study totally umbilical submanifolds of cosymplectic manifolds. We obtain a result on the classification of totallyumbilical contact CRsubmanifolds of a cosymplectic manifold. 
Domain wall with strange quark matter in kaluzaklein type cosmological model
Khadekar, G. S.; Wanjari, Rupali; Özel, Cenap (Springer/Plenum Publishers, 2009)In this study we have analyzed the KaluzaKlein type Robertson Walker (RW) cosmological model by considering variable cosmological constant term Lambda of the form: Lambda similar to (R) over dot(2)/R(2), Lambda similar ... 
Early universe with variable cosmological constants in higher dimensional space time
Khadekar, G. S.; Kondawar, Gopal L.; Özel, Cenap (Springer/Plenum Publishers, 2008)The field equations with variable cosmological and gravitational constants are consider in the presence of perfect fluid for KaluzaKlein type cosmological model. The exact solutions of the field equations are obtained by ... 
Early viscous universe with variable cosmological and gravitational constants in higher dimensional space time
Khadekar, G. S.; Kondawar, Gopal L.; Kamdi, Vaishali; Özel, Cenap (Springer Science+Business Media, LLC, part of Springer Nature, 2008)In this paper we present a number of classes of solutions of the Einstein's field equations with variable G, Lambda and bulk viscosity for a KaluzaKlein type of cosmological model. The solutions are obtained by using ... 
Entanglement properties of three atomsone field interaction under random phase telegraph noise
Özel, Cenap; İşgören, Duygu; Kayhan, Hünkar; Aktağ, Aliekber (Amer Inst Physics, 2010)In this paper, we studied a system of three atoms with a cavity field interacting stochastically under a random phase telegraph noise (RPTN). The JaynesCummingstwo level atom model with the RPTN is considered. An analytic ... 
The generalized chomology theories, BrumfielMadsen formula and topological construction of BGGtype operators
Özel, Cenap (2000)Bu çalışmada, kompleks yönlendirilebilinir kuramlar, BrumfielMadsen formülü ve BeckerGottlieb dönüşümü hakkındaki detayları vererek, BGG tipi operatörlerin topolojik inşasını araştırıyoruz.BGG operatörlerini, Morava ... 
A geometric inequality for warped product semislant submanifolds of nearly cosymplectic manifolds
Uddin, Siraj; Mustafa, Abdulqader; Wong, Bernardine Renaldo; Özel, Cenap (Union Matematica Argentina, 2014)Recently, we have shown that there do not exist warped product semislant submanifolds of cosymplectic manifolds [K.A. Khan, V.A. Khan and Siraj Uddin, Balkan J. Geom. Appl. 13 (2008), 5565]. The nearly cosymplectic ... 
GrobnerShirshov basis and reduced words for affine Weyl group (A)overtilde(n)
Yılmaz, Erol; Özel, Cenap; Ustaoğlu, Uğur (World Scientific Publ Co Pte Ltd, 2014)Using BuchbergerShirshov Algorithm, CompositionDiamond Lemma and partitions of integers we obtain the reduced GrobnerShirshov basis of (A) over tilde (n) and classify all reduced words of the affine Weyl group (A) over ... 
Higher dimensional lambdaCDM üniverse: A phenomenological approach with many possibilities
Khadekar, G. S.; Kamdi, Vaishali; Özel, Cenap (Springer/Plenum Publishers, 2009)In this paper we investigate the LambdaCDM universe by selecting the specific time dependent form of Lambda, viz. (Lambda) over dot proportional to H(3), in the context of 5 dimensional space time. Timedependent form ... 
Higher dimensional unified description of early universe with variable G and Lambda
Khadekar, G. S.; Sarada, B.; Özel, Cenap (Springer/Plenum Publishers, 2008)A homogeneous and isotropic FriedmannRobertsonWalker (FRW) model with varying gravitational and cosmological constant is studied in the context of higher dimensional space time. Exact solution of the field equations are ... 
Higher dimensional unified description of early universe with variable gravitational and cosmological constants
Khadekar, G. S.; Kondawar, Gopal L.; Kamdi, Vaishali; Özel, Cenap (Springer/Plenum Publishers, 2008)In this paper we consider the five dimensional cosmological model with variable gravitational and cosmological constants in the presence of perfect fluid in KaluzaKlein theory of gravitation. The exact solutions of the ... 
KaluzaKlein type cosmological model with strange quark matter
Özel, Cenap; Kayhan, Hünkar; Khadekar G.S. (2010)In this paper we analyzed the Kaluza Klen type Robertson Walker (RW) cosmological model by considering form of variable cosmological term ?: ? ~ ?2/R2 and ? ~ ? in the presence of strange quark matter. The various physical ... 
Massive and massless gauge fields formed by flat connections
Şener, İbrahim; Karagöz, Nurettin; Özel, Cenap (Springer/Plenum Publishers, 2016)The Yang  Mills type massive and massless gauge theories are interpreted in the geometrical frame of holomorphic principal bundles on a complex 2  manifold. It is seen in this formalism that, the component (1,1) of the ... 
New symmetric identities involving qZeta type functions
Aracı, Serkan; Bagdasaryan, Armen; Özel, Cenap; Srivastava, Hari M. (Natural Sciences Publishing CorpNsp, 2014)The main object of this paper is to obtain several symmetric properties of the qzeta type functions. As applications of these properties, we give some new interesting identities for the modified qGenocchi polynomials. ... 
Note on some identities of new combinatorial integers
Kılıçman, Adem; Özel, Cenap; Yılmaz, Erol (Natural Sciences Publishing Corporation, 2011)The binomial numbers ((m)(n)) are very important in several applications and satisfy several number of identities. The purpose of this paper is to introduce a new combinatorial integer ((m,n)(j)) and obtain some algebraic ... 
On atiyahsinger index of dirac operator on six dimensional sphere with a SO(6)gauge theory
Kayhan, Hünkar; Özel, Cenap (2009)We consider the Dirac operator on a six dimensional sphere with gravitational and YangMills gauge fields. Here we calculate the AtiyahSinger index of Dirac operator on a six dimensional sphere with a 50(6)gauge theory. ... 
On generalized topological groups
Hussain, Murad; Khan, Moiz Ud Din; Özel, Cenap (Univ Nis, Fac Sci Math, 2013)In this paper, we initiate the study of generalized topological groups. A generalized topological group has the algebraic structure of groups and the topological structure of a generalized topological space defined by A. ... 
On reidemeister torsion of flag manifolds of compact semisimple lie groups
Özel, Cenap; Başbaydar, Habib; Sözen, Yaşar; Yılmaz, Erol; Lee, Jung Rye; Park, Choonkil (American Institute of Mathematical Sciences, 2020)In this paper we calculate Reidemeister torsion of flag manifold K/T of compact semisimple Lie group K = S Un+1 using Reidemeister torsion formula and Schubert calculus, where T is maximal torus of K. We find that this ... 
On the cohomology ring of the infinite flag manifold LG/T
Özel, Cenap (1998)In this work, we discuss the calculation of cohomology rings of LG/T. First we describe the root, system and Weyl group of LG, then we give some homotopy equivalences on. the loop groups and homogeneous spaces, and investigate ...