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QUASI NORMS INTEGRAL INEQUALITIES RELATED TO LAPLACE TRANSFORMATION 与拉普拉斯变换有关的拟范数积分不等式
IF 0.4
Facta Universitatis-Series Mathematics and Informatics Pub Date : 2022-04-12 DOI: 10.22190/fumi201203005b
B. Benaissa, Kadda Maazouz
{"title":"QUASI NORMS INTEGRAL INEQUALITIES RELATED TO LAPLACE TRANSFORMATION","authors":"B. Benaissa, Kadda Maazouz","doi":"10.22190/fumi201203005b","DOIUrl":"https://doi.org/10.22190/fumi201203005b","url":null,"abstract":"In [4], the authors have proved the theorems 2.4 and 2.5 related to some integral inequalities via the Laplace transformation with the parameter p > 1. Inthis manuscript, we propose new extension for integral inequalities related to Laplace transformation with two parameters p ; q and using the weight functions w; φ. We deduce some new inequalities linked to the Laplace transformation.","PeriodicalId":54148,"journal":{"name":"Facta Universitatis-Series Mathematics and Informatics","volume":"28 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2022-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73754326","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CONVOLUTION CONDITIONS FOR CERTAIN SUBCLASSES OF MEROMORPHIC p-VALENT FUNCTIONS 亚纯p价函数某些子类的卷积条件
IF 0.4
Facta Universitatis-Series Mathematics and Informatics Pub Date : 2022-04-12 DOI: 10.22190/fumi210404013v
P. Vyas
{"title":"CONVOLUTION CONDITIONS FOR CERTAIN SUBCLASSES OF MEROMORPHIC p-VALENT FUNCTIONS","authors":"P. Vyas","doi":"10.22190/fumi210404013v","DOIUrl":"https://doi.org/10.22190/fumi210404013v","url":null,"abstract":"In the present paper we introduce two subclasses MSp q;λ(b; A; B) and MKp q;λ(b; A; B) of meromorphic multivalent functions by using q-derivative operator defined in the punctured unit disc. Also, we derive several properties including convolution properties, the necessary and sufficient condition and coefficient estimates for these subclasses.","PeriodicalId":54148,"journal":{"name":"Facta Universitatis-Series Mathematics and Informatics","volume":"31 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2022-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84107443","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
INTERSECTIONS OF SURFACES OF REVOLUTION 旋转曲面的交点
IF 0.4
Facta Universitatis-Series Mathematics and Informatics Pub Date : 2022-04-12 DOI: 10.22190/fumi220216001v
Vesna Veličković
{"title":"INTERSECTIONS OF SURFACES OF REVOLUTION","authors":"Vesna Veličković","doi":"10.22190/fumi220216001v","DOIUrl":"https://doi.org/10.22190/fumi220216001v","url":null,"abstract":"In this paper, we deal with surfaces of revolution and their intersections. We start with the surfaces of revolution RS that have their axis along the x3–axis and find intersections with a line, a plane, and then intersection of two such RS. Furthermore, we apply formulas for the intersection with a line to determine the visibility of RS. Later we develop formulas for the intersection of two surfaces of revolution that have their axis along different arbitrary straight lines, and, as a special case, the intersections of two spheres and intersections of general surface of revolution with a sphere and a surface given by an equation. We apply our own software to the graphical representation of all the results we present.","PeriodicalId":54148,"journal":{"name":"Facta Universitatis-Series Mathematics and Informatics","volume":"47 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2022-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89335905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IDEAL CONVERGENCE OF DOUBLE SEQUENCES OF CLOSED SETS 闭集的二重序列的理想收敛性
IF 0.4
Facta Universitatis-Series Mathematics and Informatics Pub Date : 2021-10-09 DOI: 10.22190/fumi210121045t
Ozer Talo, Y. Sever
{"title":"IDEAL CONVERGENCE OF DOUBLE SEQUENCES OF CLOSED SETS","authors":"Ozer Talo, Y. Sever","doi":"10.22190/fumi210121045t","DOIUrl":"https://doi.org/10.22190/fumi210121045t","url":null,"abstract":"In the present paper, we introduce the concepts of ideal inner and ideal outer limits which always exist even if empty sets for double sequences of closed sets in Pringsheim's sense. Next, we give some formulas for finding ideal inner and outer limits in a metric space. After then, we define Kuratowski ideal convergence of double sequences of closed sets by means of the ideal inner and ideal outer limits of a double sequence of closed sets. Additionally, we give some examples that our result is more general than the results obtained before.","PeriodicalId":54148,"journal":{"name":"Facta Universitatis-Series Mathematics and Informatics","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88773719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SOME VECTORS FIELDS ON THE TANGENT BUNDLE WITH A SEMI-SYMMETRIC METRIC CONNECTION 具有半对称度量连接的切束上的一些向量场
IF 0.4
Facta Universitatis-Series Mathematics and Informatics Pub Date : 2021-10-09 DOI: 10.22190/fumi210506050g
A. Gezer, Erkan Karakaş
{"title":"SOME VECTORS FIELDS ON THE TANGENT BUNDLE WITH A SEMI-SYMMETRIC METRIC CONNECTION","authors":"A. Gezer, Erkan Karakaş","doi":"10.22190/fumi210506050g","DOIUrl":"https://doi.org/10.22190/fumi210506050g","url":null,"abstract":"Let $M$ is a (pseudo-)Riemannian manifold and $TM$ be its tangent bundlewith the semi-symmetric metric connection $overline{nabla }$. In thispaper, we examine some special vector fields, such as incompressible vectorfields, harmonic vector fields, concurrent vector fields, conformal vectorfields and projective vector fields on $TM$ with respect to thesemi-symmetric metric connection $overline{nabla }$ and obtain someproperties related to them.","PeriodicalId":54148,"journal":{"name":"Facta Universitatis-Series Mathematics and Informatics","volume":"19 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79391426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
$D_a$-HOMOTHETIC DEFORMATION AND RICCI SOLITIONS IN THREE DIMENSIONAL QUASI-SASAKIAN MANIFOLDS 三维拟sasaki流形的齐次变形和RICCI解
IF 0.4
Facta Universitatis-Series Mathematics and Informatics Pub Date : 2021-10-09 DOI: 10.22190/fumi201114040m
T.N. Mandal
{"title":"$D_a$-HOMOTHETIC DEFORMATION AND RICCI SOLITIONS IN THREE DIMENSIONAL QUASI-SASAKIAN MANIFOLDS","authors":"T.N. Mandal","doi":"10.22190/fumi201114040m","DOIUrl":"https://doi.org/10.22190/fumi201114040m","url":null,"abstract":"In the present paper, we have studied curvature tensors of a quasi-Sasakian manifold with respect to the $D_a$-homothetic deformation. We have deduced the Ricci solition in quasi-Sasakian manifold with respect to the $D_a$-homothetic deformation. We have also proved that the quasi-Sasakian manifold is not $bar{xi}$-projectively flat under $D_a$-homothetic deformation. Also we give an example to prove the existance of quasi-Sasakian manifold.","PeriodicalId":54148,"journal":{"name":"Facta Universitatis-Series Mathematics and Informatics","volume":"150 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77437185","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ON SOME EQUIVALENCE RELATION ON NON-ABELIAN $CA$-GROUPS 非阿贝尔$ ca $-群上的等价关系
IF 0.4
Facta Universitatis-Series Mathematics and Informatics Pub Date : 2021-10-09 DOI: 10.22190/fumi201225043i
M. Iranmanesh, M. Zareian
{"title":"ON SOME EQUIVALENCE RELATION ON NON-ABELIAN $CA$-GROUPS","authors":"M. Iranmanesh, M. Zareian","doi":"10.22190/fumi201225043i","DOIUrl":"https://doi.org/10.22190/fumi201225043i","url":null,"abstract":"A non-abelian group $G$ is called a $CA$-group ($CC$-group) if $C_G(x)$ is abelian(cyclic) for all $xin Gsetminus Z(G)$. We say $xsim y$ if and only if $C_G(x)=C_G(y)$.We denote the equivalence class including $x$ by$[x]_{sim}$. In this paper, we prove thatif $G$ is a $CA$-group and $[x]_{sim}=xZ(G)$, for all $xin G$, then $2^{r-1}leq|G'|leq 2^{rchoose 2}$.where $frac {|G|}{|Z(G)|}=2^{r}, 2leq r$ and characterize all groups whose $[x]_{sim}=xZ(G)$for all $xin G$ and $|G|leq 100$. Also, we will show that if $G$ is a $CC$-group and $[x]_{sim}=xZ(G)$,for all $x in G$, then $Gcong C_mtimes Q_8$ where $C_m$ is a cyclic group of odd order $m$ andif $G$ is a $CC$-group and $[x]_{sim}=x^G$, for all $xin Gsetminus Z(G)$, then $Gcong Q_8$.","PeriodicalId":54148,"journal":{"name":"Facta Universitatis-Series Mathematics and Informatics","volume":"40 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80393819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ROUGH CONTINUOUS CONVERGENCE OF SEQUENCES OF SETS 集合序列的粗糙连续收敛性
IF 0.4
Facta Universitatis-Series Mathematics and Informatics Pub Date : 2021-10-09 DOI: 10.22190/fumi210202046o
Ö. Ölmez, Hüseyin Albayrak, S. Aytar
{"title":"ROUGH CONTINUOUS CONVERGENCE OF SEQUENCES OF SETS","authors":"Ö. Ölmez, Hüseyin Albayrak, S. Aytar","doi":"10.22190/fumi210202046o","DOIUrl":"https://doi.org/10.22190/fumi210202046o","url":null,"abstract":"In this paper, we define a new type of convergence of sequences of sets by using the continuous convergence (or α-convergence) of the sequence of distance functions. Then we proved in which case it is equivalent to rough Wijsman convergence by considering the different values of the roughness degrees.","PeriodicalId":54148,"journal":{"name":"Facta Universitatis-Series Mathematics and Informatics","volume":"29 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90341932","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ON I- CONVERGENCE OF SEQUENCES IN GRADUAL NORMED LINEAR SPACES 渐赋范线性空间中序列的i收敛性
IF 0.4
Facta Universitatis-Series Mathematics and Informatics Pub Date : 2021-10-09 DOI: 10.22190/fumi210108044c
C. Choudhury, S. Debnath
{"title":"ON I- CONVERGENCE OF SEQUENCES IN GRADUAL NORMED LINEAR SPACES","authors":"C. Choudhury, S. Debnath","doi":"10.22190/fumi210108044c","DOIUrl":"https://doi.org/10.22190/fumi210108044c","url":null,"abstract":"In this paper, we introduce the concepts of $mathcal{I}$ and $mathcal{I^{*}}-$convergence of sequences in gradual normed linear spaces. We study some basic properties and implication relations of the newly defined convergence concepts. Also, we introduce the notions of $mathcal{I}$ and $mathcal{I^{*}}-$Cauchy sequences in the gradual normed linear space and investigate the relations between them.","PeriodicalId":54148,"journal":{"name":"Facta Universitatis-Series Mathematics and Informatics","volume":"23 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90412763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
LIFTS OF GOLDEN STRUCTURES ON THE TANGENT BUNDLE 切线束上的金色结构升降机
IF 0.4
Facta Universitatis-Series Mathematics and Informatics Pub Date : 2021-10-09 DOI: 10.22190/fumi210304048v
Geeta Verma
{"title":"LIFTS OF GOLDEN STRUCTURES ON THE TANGENT BUNDLE","authors":"Geeta Verma","doi":"10.22190/fumi210304048v","DOIUrl":"https://doi.org/10.22190/fumi210304048v","url":null,"abstract":"The present paper aims to study the complete lift of golden structure on tangent bundles. Integrability conditions for complete lift and third-order tangent bundle are established.","PeriodicalId":54148,"journal":{"name":"Facta Universitatis-Series Mathematics and Informatics","volume":"7 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83646930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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