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Journal of the Indonesian Mathematical Society最新文献

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On Purely Hermitian R-complex Finsler Space with (α, β)-Metric 具有（α，β）-度量的纯HermitianR-复Finsler空间
IF 0.3
Journal of the Indonesian Mathematical Society Pub Date : 2021-07-24 DOI: 10.22342/JIMS.27.2.929.%P
K. Venkatesha, S. Narasimhamurthy, K. Chandru
{"title":"On Purely Hermitian R-complex Finsler Space with (α, β)-Metric","authors":"K. Venkatesha, S. Narasimhamurthy, K. Chandru","doi":"10.22342/JIMS.27.2.929.%P","DOIUrl":"https://doi.org/10.22342/JIMS.27.2.929.%P","url":null,"abstract":"In the present paper we established some interesting results on purely Hermitian R-complex Finsler space with (α, β)-metrics, Firstly we characterize the conditions for the (α, β)-metric F = p α2 + εβ2 to be a purely Hermitian. Then determined the fundamental metric tensor, its inverse and determinent of the above metric. Further obtained Chern-Finsler connection coefficients and analysed necessary conditions under which an purely Hermitian R-complex Finsler space with (α, β)-metric to be Berwald, Kahler and strongly Kahler also given some examples.","PeriodicalId":42206,"journal":{"name":"Journal of the Indonesian Mathematical Society","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2021-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45017358","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
Study of Properties of Several Kinds of Hyperideals in Ordered Ternary Semihypergroups 有序三元半超群中几类超理想性质的研究
IF 0.3
Journal of the Indonesian Mathematical Society Pub Date : 2021-07-22 DOI: 10.22342/JIMS.27.2.965.228-239
T. Changphas, B. Davvaz
{"title":"Study of Properties of Several Kinds of Hyperideals in Ordered Ternary Semihypergroups","authors":"T. Changphas, B. Davvaz","doi":"10.22342/JIMS.27.2.965.228-239","DOIUrl":"https://doi.org/10.22342/JIMS.27.2.965.228-239","url":null,"abstract":"A non-empty subset S together with an associative function f from S × S×S into the family of all non-empty subsets of S is called a ternary semihypergroup. In this paper, we consider a semihypergroup (S, f) besides a binary relation ≤, where ≤ is a partial order relation on S such that satisfies the monotone condition. This structure is called an ordered ternary semihypergroup. We introduce and investigate the notions of bi-hyperideal and quasi-hyperideal in ordered ternary semihyperroups. In particular, we prove that an ordered ternary semihypergroup is left and right simple if and only if it does not contain proper bi-hyperideals","PeriodicalId":42206,"journal":{"name":"Journal of the Indonesian Mathematical Society","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2021-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44043803","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 Birkhoff Angles in Normed Spaces 赋范空间中的Birkhoff角
IF 0.3
Journal of the Indonesian Mathematical Society Pub Date : 2021-07-20 DOI: 10.22342/jims.27.3.1030.270-284
H. Gunawan, Muhamad Jamaludin, Mas Daffa Pratamadirdja
{"title":"On Birkhoff Angles in Normed Spaces","authors":"H. Gunawan, Muhamad Jamaludin, Mas Daffa Pratamadirdja","doi":"10.22342/jims.27.3.1030.270-284","DOIUrl":"https://doi.org/10.22342/jims.27.3.1030.270-284","url":null,"abstract":"Associated to Birkhoff orthogonality, we study Birkhoff angles in a normed space and present some of their basic properties. We also discuss how to decide whether an angle is more acute or more obtuse than another. In addition, given two vectors $x$ and $y$ in a normed space, we study the formula for Birkhoff `cosine' of the angle from $x$ to $y$ from which we can, in principal, compute the angle. Some examples will be presented.","PeriodicalId":42206,"journal":{"name":"Journal of the Indonesian Mathematical Society","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2021-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47132574","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
Intuitionistic Fuzzy Semi δ-Preopen Sets and Intuitionistic Fuzzy Semi δ-Precontinuity 直觉模糊半δ-预开集与直觉模糊半δ-预连续
IF 0.3
Journal of the Indonesian Mathematical Society Pub Date : 2021-07-16 DOI: 10.22342/JIMS.27.2.993.212-227
S. S. Thakur, Chandra Prakash Rathor, Jyoti Pandey Bajpai
{"title":"Intuitionistic Fuzzy Semi δ-Preopen Sets and Intuitionistic Fuzzy Semi δ-Precontinuity","authors":"S. S. Thakur, Chandra Prakash Rathor, Jyoti Pandey Bajpai","doi":"10.22342/JIMS.27.2.993.212-227","DOIUrl":"https://doi.org/10.22342/JIMS.27.2.993.212-227","url":null,"abstract":"The purpose of this paper is to introduce the concepts of fuzzy semi δ-preopen sets and fuzzy semi δ-precontinuous mappings in intuitionistic fuzzy topological spaces and obtain some of their properties and characterizations.","PeriodicalId":42206,"journal":{"name":"Journal of the Indonesian Mathematical Society","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2021-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46978178","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: 1
Effect of Thermal Stresses and Reduced Differential Transform on Bending of The Rectangular Plate 热应力和降阶微分变换对矩形板弯曲的影响
IF 0.3
Journal of the Indonesian Mathematical Society Pub Date : 2021-07-16 DOI: 10.22342/JIMS.27.2.976.199-211
C. S. Sutar, Sandip N. Patil
{"title":"Effect of Thermal Stresses and Reduced Differential Transform on Bending of The Rectangular Plate","authors":"C. S. Sutar, Sandip N. Patil","doi":"10.22342/JIMS.27.2.976.199-211","DOIUrl":"https://doi.org/10.22342/JIMS.27.2.976.199-211","url":null,"abstract":"The bending of the rectangular plate exists for a large length comparing with its width as we have considered the simply supported plate. Also, it gets the accuracy, if the plate is attached between enough distance from the ends. This paper concern with the study of bending moment in the rectangular plate by using the thermal stresses. In this paper, we have considered the mathematical model of the unsteady state three-dimensional heat conduction equation for a thick rectangular plate with non-zero temperature initially. We have determined the thermal stresses and the bending moment in the rectangular plate by using the reduced differential transform method. The results are discussed by considering the special cases for copper material. Also, results are shown graphically. The graphs are drawn by using mathematical software Scilab.","PeriodicalId":42206,"journal":{"name":"Journal of the Indonesian Mathematical Society","volume":"1 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2021-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41391279","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: 1
Cayley Graphs Versus Algebraic Graphs Cayley图与代数图
IF 0.3
Journal of the Indonesian Mathematical Society Pub Date : 2021-07-16 DOI: 10.22342/JIMS.27.2.800.130-136
Pranjali Pranjali, Amit Kumar, Tanuja Yadav
{"title":"Cayley Graphs Versus Algebraic Graphs","authors":"Pranjali Pranjali, Amit Kumar, Tanuja Yadav","doi":"10.22342/JIMS.27.2.800.130-136","DOIUrl":"https://doi.org/10.22342/JIMS.27.2.800.130-136","url":null,"abstract":"Let Γ be a finite group and let S ⊆ Γ be a subset. The Cayley graph, denoted byCay(Γ, S) has vertex set Γ and two distinct vertices x, y ∈ Γ are joined by a directed edge fromx to y if and only if there exists s ∈ S such that x = sy. In this manuscript, we characterize the generating setsS for which Cay(Γ, S) is isomorphic to somealgebraic graphs, namely, unit graphs, co-unit graphs, total graph and co-total graphs.","PeriodicalId":42206,"journal":{"name":"Journal of the Indonesian Mathematical Society","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2021-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45990435","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
LP-Sasakian Manifolds Equipped with Zamkovoy Connection and Conharmonic Curvature Tensor 具有Zamkovoy连接和共调和曲率张量的LP-Sasakian流形
IF 0.3
Journal of the Indonesian Mathematical Society Pub Date : 2021-07-16 DOI: 10.22342/JIMS.27.2.960.137-149
A. Mandal, A. Das
{"title":"LP-Sasakian Manifolds Equipped with Zamkovoy Connection and Conharmonic Curvature Tensor","authors":"A. Mandal, A. Das","doi":"10.22342/JIMS.27.2.960.137-149","DOIUrl":"https://doi.org/10.22342/JIMS.27.2.960.137-149","url":null,"abstract":"In this paper we have proved some results on conharmonically flat, quasi conharmonically flat and φ-conharmonically flat LP-Sasakian manifolds with respect to Zamkovoy connection. Also, we study generalized conharmonic φ-recurrent LP-Sasakian manifolds with respect to Zamkovoy connection. Moreover, we study LP-Sasakian manifolds satisfying K*(ξ,U)∘R*=0, where K* denotes conharmonic curvature tensor and R* denotes Riemannian curvature tensor with respect to Zamkovoy connection.","PeriodicalId":42206,"journal":{"name":"Journal of the Indonesian Mathematical Society","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2021-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47484153","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: 2
Queens Independence Separation on Rectangular Chessboards 矩形棋盘上的皇后区独立分隔
IF 0.3
Journal of the Indonesian Mathematical Society Pub Date : 2021-07-16 DOI: 10.22342/JIMS.27.2.986.158-169
Sowndarya Suseela Padma Kaluri, Y. Naidu
{"title":"Queens Independence Separation on Rectangular Chessboards","authors":"Sowndarya Suseela Padma Kaluri, Y. Naidu","doi":"10.22342/JIMS.27.2.986.158-169","DOIUrl":"https://doi.org/10.22342/JIMS.27.2.986.158-169","url":null,"abstract":"The famous eight queens problem with non-attacking queens placement on an 8 x 8 chessboard was first posed in the year 1848. The queens separation problem is the legal placement of the fewest number of pawns with the maximum number of independent queens placed on an N x N board which results in a separated board. Here a legal placement is defined as the separation of attacking queens by pawns. Using this concept, the current study extends the queens separation problem onto the rectangular board M x N, (M<N),  to result in a separated board with the maximum number of independent queens. The research work here first describes the  M+k queens separation with k=1 pawn and continue to find for any k. Then it  focuses on finding the symmetric solutions of the M+k queens separation with k pawns.","PeriodicalId":42206,"journal":{"name":"Journal of the Indonesian Mathematical Society","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2021-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44178267","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
Existence and Uniqueness Results for Singular Boundary Value Problem of Weighted Generalized Fisher Type Differential Equation 加权广义Fisher型微分方程奇异边值问题的存在唯一性结果
IF 0.3
Journal of the Indonesian Mathematical Society Pub Date : 2021-07-16 DOI: 10.22342/JIMS.27.2.979.170-198
Nadir Benkaci-Ali
{"title":"Existence and Uniqueness Results for Singular Boundary Value Problem of Weighted Generalized Fisher Type Differential Equation","authors":"Nadir Benkaci-Ali","doi":"10.22342/JIMS.27.2.979.170-198","DOIUrl":"https://doi.org/10.22342/JIMS.27.2.979.170-198","url":null,"abstract":"In this paper, we give existence and uniqueness results of nontrivial positive solution for the boundary value problem of the weighted and generalized Fisher's type differential equation.","PeriodicalId":42206,"journal":{"name":"Journal of the Indonesian Mathematical Society","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2021-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47829642","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
Total Induced Vertex Stress in Barbell-Like Graphs Barbell样图的总诱导顶点应力
IF 0.3
Journal of the Indonesian Mathematical Society Pub Date : 2021-07-16 DOI: 10.22342/JIMS.27.2.966.150-157
J. Shiny, J. Kok, V. Ajitha
{"title":"Total Induced Vertex Stress in Barbell-Like Graphs","authors":"J. Shiny, J. Kok, V. Ajitha","doi":"10.22342/JIMS.27.2.966.150-157","DOIUrl":"https://doi.org/10.22342/JIMS.27.2.966.150-157","url":null,"abstract":"This paper introduces new parameters called induced vertex stress and total induced vertex stress in G, respectively. For graphs G and H, aspects of the maximum and minimum total induced vertex stress that can be obtained by 1-edge addition and 2-vertex merging are discussed.","PeriodicalId":42206,"journal":{"name":"Journal of the Indonesian Mathematical Society","volume":" ","pages":""},"PeriodicalIF":0.3,"publicationDate":"2021-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44080110","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: 4
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