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Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science最新文献

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On the tangent bundles over F-Kahlerian manifolds 论 F-Kahlerian 流形上的切线束
Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science Pub Date : 2024-05-15 DOI: 10.31926/but.mif.2024.4.66.1.4
N.E. Djaa, A. Gezer
{"title":"On the tangent bundles over F-Kahlerian manifolds","authors":"N.E. Djaa, A. Gezer","doi":"10.31926/but.mif.2024.4.66.1.4","DOIUrl":"https://doi.org/10.31926/but.mif.2024.4.66.1.4","url":null,"abstract":"The main purpose of the present paper is to study all forms of Riemannien curvatures and the harmonic Killing vector fields of a tangent bundle over an F−Kahlerian manifold endowed with a Berger type deformed Sasaki metric gBS .","PeriodicalId":505295,"journal":{"name":"Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science","volume":"49 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140973948","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
Automata concepts over game design process 游戏设计过程中的自动机概念
Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science Pub Date : 2024-05-15 DOI: 10.31926/but.mif.2024.4.66.1.14
A. Baicoianu, C. Dobre, M. Lopataru, I.C. Plajer
{"title":"Automata concepts over game design process","authors":"A. Baicoianu, C. Dobre, M. Lopataru, I.C. Plajer","doi":"10.31926/but.mif.2024.4.66.1.14","DOIUrl":"https://doi.org/10.31926/but.mif.2024.4.66.1.14","url":null,"abstract":"Discrete states linked together by events can describe a series of classical video game scenarios. Therefore, the formal concept of automata seems appropriate for describing such games. However, as simple finite automata need to keep track of past events, they are less appropriate for complex designs. By contrast, push-down automata featuring a stack present better capabilities in this context. This paper discusses an enhanced version of the classic PAC-MAN game with push-down automata. The modular design of this game allows the extraction of discrete states, and its minimalist concept enables various approaches and new versions without sacrificing its original essence. Using push-down automata expanded the game with new features, allowing an enhanced game experience. The automaton controls all aspects of the game, ensuring a consistent gameplay. The presented project demonstrates the capabilities of push-down automata in the gaming industry and their potential in future game development projects.","PeriodicalId":505295,"journal":{"name":"Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science","volume":"38 11","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140974193","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
Pseudo-spectrum of non-Archimedean matrix pencils 非阿基米德矩阵铅笔的伪谱
Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science Pub Date : 2024-05-15 DOI: 10.31926/but.mif.2024.4.66.1.5
J. Ettayb
{"title":"Pseudo-spectrum of non-Archimedean matrix pencils","authors":"J. Ettayb","doi":"10.31926/but.mif.2024.4.66.1.5","DOIUrl":"https://doi.org/10.31926/but.mif.2024.4.66.1.5","url":null,"abstract":"In this paper, we define the notions of the C-trace pseudo-spectrum, the M-determinant pseudo-spectrum and the pseudo-spectrum of non-Archimedean matrix pencils. Many results are proved about the C-trace pseudo-spectrum, the M-determinant pseudo-spectrum and the pseudo-spectrum of non-Archimedean matrix pencils. Examples are given to support our work.","PeriodicalId":505295,"journal":{"name":"Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science","volume":"27 11","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140974240","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
Characterization of solutions of certain class of linear and non-linear shift equations undershared values 某类线性和非线性位移方程下共享值解的特征
Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science Pub Date : 2024-05-15 DOI: 10.31926/but.mif.2024.4.66.1.2
A. Banerjee, S. Bhattacharyya
{"title":"Characterization of solutions of certain class of linear and non-linear shift equations undershared values","authors":"A. Banerjee, S. Bhattacharyya","doi":"10.31926/but.mif.2024.4.66.1.2","DOIUrl":"https://doi.org/10.31926/but.mif.2024.4.66.1.2","url":null,"abstract":"In this paper we have considered the generalized form of Pielou Logistic Equation and Riccati Difference equation [6] and characterize the solution of that equation in terms of shared value problem. We have improved and extended the result of Li-Chen in [8].","PeriodicalId":505295,"journal":{"name":"Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science","volume":"39 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140974594","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 the iterates of uni-and multidimensional operators 论单维和多维算子的迭代
Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science Pub Date : 2023-12-18 DOI: 10.31926/but.mif.2023.3.65.2.12
Radu Precup
{"title":"On the iterates of uni-and multidimensional operators","authors":"Radu Precup","doi":"10.31926/but.mif.2023.3.65.2.12","DOIUrl":"https://doi.org/10.31926/but.mif.2023.3.65.2.12","url":null,"abstract":"The problem of the convergence of the iterates of operators or of a sequence of operators is discussed in a general framework related to the fixed point theory, but with a permanent look towards the theory of linear approximation operators. The results are obtained for operators not necessarily linear. Some examples including the class of approximation operators defined by H. Brass are given.","PeriodicalId":505295,"journal":{"name":"Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139172985","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 a Hilfer type fractional integro-differential inclusion 论希尔费型分数积分微分包容
Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science Pub Date : 2023-12-18 DOI: 10.31926/but.mif.2023.3.65.2.6
A. Cernea
{"title":"On a Hilfer type fractional integro-differential inclusion","authors":"A. Cernea","doi":"10.31926/but.mif.2023.3.65.2.6","DOIUrl":"https://doi.org/10.31926/but.mif.2023.3.65.2.6","url":null,"abstract":"A boundary value problem associated to a Hilfer generalized proportional fractional integro-differential inclusion is studied. The existence of solutions is established in the case when the set-valued map has nonconvex values.","PeriodicalId":505295,"journal":{"name":"Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science","volume":"294 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139173914","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
The power of SymPy for programming in geometry SymPy 在几何编程方面的强大功能
Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science Pub Date : 2023-12-18 DOI: 10.31926/but.mif.2023.3.65.2.17
Ernest Scheiber
{"title":"The power of SymPy for programming in geometry","authors":"Ernest Scheiber","doi":"10.31926/but.mif.2023.3.65.2.17","DOIUrl":"https://doi.org/10.31926/but.mif.2023.3.65.2.17","url":null,"abstract":"For didactic purposes the capabilities of SymPy to solve synthetic geometrical problems are highlighted. There is exemplified the Apollonius problem: construct a circle tangent to other three circles. The problem is solved using inversion and some code is provided.","PeriodicalId":505295,"journal":{"name":"Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science","volume":"7 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139173930","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
A weak solution to a Kirkoff type problem with discontinuous nonlinearities 具有不连续非线性的柯尔科夫型问题的弱解法
Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science Pub Date : 2023-12-18 DOI: 10.31926/but.mif.2023.3.65.2.9
∗. AbderrazakKASSIDI, Said Melliani, Abdelaziz Sabiry, Ghizlane Zineddaine
{"title":"A weak solution to a Kirkoff type problem with discontinuous nonlinearities","authors":"∗. AbderrazakKASSIDI, Said Melliani, Abdelaziz Sabiry, Ghizlane Zineddaine","doi":"10.31926/but.mif.2023.3.65.2.9","DOIUrl":"https://doi.org/10.31926/but.mif.2023.3.65.2.9","url":null,"abstract":"This paper is devoted to the study of a class of Kirchhoff-type problems with discontinuous nonlinearities with Neumann boundary data. Here, by employing the topological degree methods for the abstract Hammerstein equation, we establish the existence of at least one solution.","PeriodicalId":505295,"journal":{"name":"Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science","volume":"43 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139175390","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
A comprehensive application architecture for unlocking the potential of student feedback 释放学生反馈潜力的综合应用架构
Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science Pub Date : 2023-12-18 DOI: 10.31926/but.mif.2023.3.65.2.18
D. Simian, M.-E. Serban
{"title":"A comprehensive application architecture for unlocking the potential of student feedback","authors":"D. Simian, M.-E. Serban","doi":"10.31926/but.mif.2023.3.65.2.18","DOIUrl":"https://doi.org/10.31926/but.mif.2023.3.65.2.18","url":null,"abstract":"This article proposes a novel solution aimed at streamlining the student feedback, enabling them to assess various aspects and activities within their institution. Different from the classical solution of collecting students feedback using a set of questions grouped in one or many forms, we designed a solution capable to empower students of all age groups to enhance their higher education experiences by openly expressing opinions about their enrolled faculties, providing valuable guidance to prospective college students. Our proposal introduces a generic application architecture designed to integrate the presentation of the main opportunities and offers from many universities with the student reviews on all aspects of these universities. Thus, we avoid a number of factors that reduce the quantity and objectivity of student feedback. Important elements in our architecture refer to reviewing and rating system as well as the search system which facilitate the use of the existing evaluations on different aspects of an university. We devised a generic architecture for a client-server application, specifying a minimum set of required functionalities. For validation, we designed and implemented a client-server application based on the generic architecture we outlined. The application offers several key advantages, including robust information security measures, and diverse communication channels for authenticated users within the platform. The application’s architecture includes an encryption system based on multiple encryption techniques. Additionally, an algorithm for search optimization within the platform have been developed, further enhancing its utility.","PeriodicalId":505295,"journal":{"name":"Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science","volume":"51 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139175555","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
Numerical approximations and asymptotic limits of some nonlinear problems 某些非线性问题的数值近似和渐近极限
Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science Pub Date : 2023-12-18 DOI: 10.31926/but.mif.2023.3.65.2.5
A. Mabrouk, ∗. AbdelhamidBEZIA, Chouhaied Souissi
{"title":"Numerical approximations and asymptotic limits of some nonlinear problems","authors":"A. Mabrouk, ∗. AbdelhamidBEZIA, Chouhaied Souissi","doi":"10.31926/but.mif.2023.3.65.2.5","DOIUrl":"https://doi.org/10.31926/but.mif.2023.3.65.2.5","url":null,"abstract":"In the present work, a numerical approach is dedicated to the approximation to the solutions of a time-independent nonlinear Schr¨odinger equation in a mixed case provided with numerical tests on the asymptotic limits of the solution according to some parameters. A finite difference discretization with calibrations is applied leading to a quasi-linear algebraic system. where the its solvability is investigated as well as its stability and convergence via Von Neumann method. Some numerical experiments are developed to validate the result, and to test the effect of some parameters on the asymptotic limit of the problem.","PeriodicalId":505295,"journal":{"name":"Bulletin of the Transilvania University of Brasov. Series III: Mathematics and Computer Science","volume":"98 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139173657","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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