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ON THE BLOCKING FORCE OF STEADY-STATE FLOW OF HERSCHEL-BULKLEY FLUID 赫歇尔-巴克利流体稳态流动的阻挡力研究
Advances in Mathematics: Scientific Journal Pub Date : 2022-12-19 DOI: 10.37418/amsj.11.12.8
H. Errahmane Ben Messaoud, F. Messelmi, Z. Bendaoud
{"title":"ON THE BLOCKING FORCE OF STEADY-STATE FLOW OF HERSCHEL-BULKLEY FLUID","authors":"H. Errahmane Ben Messaoud, F. Messelmi, Z. Bendaoud","doi":"10.37418/amsj.11.12.8","DOIUrl":"https://doi.org/10.37418/amsj.11.12.8","url":null,"abstract":"The paper is devoted to the study of the blocking force of Herschel-Bulkley fluid in the case of steady-state flow. To this aim, we consider a mathematical model which describes the steady-state flow of a Herschel-Bulkley fluid in a bounded domain. We give the mathematical formulation of the blockage phenomenon and we establish the existence of blocking force. We also focus on behaviour of the flow with respect to the blocking force.","PeriodicalId":231117,"journal":{"name":"Advances in Mathematics: Scientific Journal","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123542360","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
CONSTRUCTION OF SOME ARCHIMEDEAN COPULAS 一些阿基米德copula的构造
Advances in Mathematics: Scientific Journal Pub Date : 2022-12-17 DOI: 10.37418/amsj.11.12.7
Raymond Loko, R. Bidounga, D. Barro, M. K. Diafouka, C. Vouvoungui
{"title":"CONSTRUCTION OF SOME ARCHIMEDEAN COPULAS","authors":"Raymond Loko, R. Bidounga, D. Barro, M. K. Diafouka, C. Vouvoungui","doi":"10.37418/amsj.11.12.7","DOIUrl":"https://doi.org/10.37418/amsj.11.12.7","url":null,"abstract":"We propose an approach allowing to manage the statistical data. At the same time, starting from the copulas of Gumbel,of Ali-Michael and Haq., we propose some copulas of the Archimedean family that we estimate contribute to the resolution of the problems related to the choice of the maximum or the optimal values for a group of random variables united within d random vectors of size n, independent and identifically distributed, suitably normalized as n tends to infinity. To our knowledge, there exists, in this case, the copula of Ali-Michael and Haq, Which goes in the same direction, however, the copula that we propose takes into account on the one hand the dependence parameters of the marginals and on the other hand the size of the samples including the dependence parameter of the joint distribution function","PeriodicalId":231117,"journal":{"name":"Advances in Mathematics: Scientific Journal","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122530333","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
KERNEL’S ESTIMATION OF GINI INDEX BASED ON THE VARYING BANDWIDTH PARAMETER 基于带宽参数变化的gini指数的核估计
Advances in Mathematics: Scientific Journal Pub Date : 2022-12-15 DOI: 10.37418/amsj.11.12.6
K. Agbokou, Y. Mensah
{"title":"KERNEL’S ESTIMATION OF GINI INDEX BASED ON THE VARYING BANDWIDTH PARAMETER","authors":"K. Agbokou, Y. Mensah","doi":"10.37418/amsj.11.12.6","DOIUrl":"https://doi.org/10.37418/amsj.11.12.6","url":null,"abstract":"Most of the measures of income inequality are derived from the Lorenz curve, and many authors state that the Gini index is the best single measure of inequality. The present paper reviews some of the theorical properties of the Lorenz curve and provides a nonparametric estimate of the Gini index and the almost sure convergence of this estimate. And to confirm the performance of the estimator, an application on real data was carried out.","PeriodicalId":231117,"journal":{"name":"Advances in Mathematics: Scientific Journal","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128660615","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
AN ITERATIVE METHOD FOR THIRD-ORDER BOUNDARY VALUE PROBLEMS 求解三阶边值问题的迭代方法
Advances in Mathematics: Scientific Journal Pub Date : 2022-12-15 DOI: 10.37418/amsj.11.12.5
N. Bendjazia, A. Frioui, A. Guezane
{"title":"AN ITERATIVE METHOD FOR THIRD-ORDER BOUNDARY VALUE PROBLEMS","authors":"N. Bendjazia, A. Frioui, A. Guezane","doi":"10.37418/amsj.11.12.5","DOIUrl":"https://doi.org/10.37418/amsj.11.12.5","url":null,"abstract":"This article is intended to apply the reproducing kernel Hilbert space method (RKHSM) for solving a third order differential equation with multiple characteristics in a rectangular domain. The exact solution is expressed in form of series. The convergence of the iterative method to find the approximate solution is proven. Some numerical examples are studied to demonstrate the accuracy of the present method. Results obtained by the method are compared with the exact solution of each example which are found to be in good agreement with each other.","PeriodicalId":231117,"journal":{"name":"Advances in Mathematics: Scientific Journal","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121559019","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 TRUNCATED XLINDLEY DISTRIBUTION WITH CLASSIC AND 6BAYESIAN INFERENCE UNDER CENSORED DATA 截断xlindley分布与经典贝叶斯和6贝叶斯推理
Advances in Mathematics: Scientific Journal Pub Date : 2022-12-07 DOI: 10.37418/amsj.11.12.4
N. Khodja, H. Aiachi, H. Talhi, I.N. Benatallah
{"title":"THE TRUNCATED XLINDLEY DISTRIBUTION WITH CLASSIC AND 6BAYESIAN INFERENCE UNDER CENSORED DATA","authors":"N. Khodja, H. Aiachi, H. Talhi, I.N. Benatallah","doi":"10.37418/amsj.11.12.4","DOIUrl":"https://doi.org/10.37418/amsj.11.12.4","url":null,"abstract":"We provide a brand-new distribution based on the model of Lindley, with an emphasis on the estimation of its unknown parameters. After introducing the new distribution, we cover two approaches to estimate its parameters; in the presence of a censored scheme, we first use a traditional approach, which is The maximum likelihood technique, then we use the Bayesian approach. The BarzilaiBrown algorithm is used to derive the censored maximum likelihood estimators while a Monte Carlo Markov chains (MCMC) procedure is applied to derive the Bayesian ones. Three loss functions are used to provide the Bayesian estimators: the entropy, the generalized quadratic, and the Linex functions. Using Pitman's proximity criteria; the maximum likelihood and the Bayesian estimations are compared. All of the provided estimations techniques have been evaluated throughout simulation studies. Finally, we consider two sample Bayes predictions to predict future order statistics","PeriodicalId":231117,"journal":{"name":"Advances in Mathematics: Scientific Journal","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114209202","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
FIXED POINT THEOREMS FOR SUSUKI TYPE GENERALIZED mathcal{L}L-CONTRACTIONS IN BRANCIARI DISTANCE SPACES 广义数学{L}缩在BRANCIARI距离空间中的不动点定理
Advances in Mathematics: Scientific Journal Pub Date : 2022-12-05 DOI: 10.37418/amsj.11.12.3
S. Cho
{"title":"FIXED POINT THEOREMS FOR SUSUKI TYPE GENERALIZED mathcal{L}L-CONTRACTIONS IN BRANCIARI DISTANCE SPACES","authors":"S. Cho","doi":"10.37418/amsj.11.12.3","DOIUrl":"https://doi.org/10.37418/amsj.11.12.3","url":null,"abstract":"In this paper, the notion of Suzuki type generalized $mathcal{L}$-contractions is introduced and a new fixed point theorem for such contractions is established.","PeriodicalId":231117,"journal":{"name":"Advances in Mathematics: Scientific Journal","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126013787","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
BLOW UP FOR POSITIVE-INITIAL ENERGY AND DECAY OF A BIHARMONIC SYSTEM WITH VARIABLE-EXPONENT NONLINEARITIES 具有变指数非线性的双调和系统的正初始能量爆破和衰减
Advances in Mathematics: Scientific Journal Pub Date : 2022-12-01 DOI: 10.37418/amsj.11.12.2
O. Bouhoufani, M. Al‐Gharabli, S. Messaoudi
{"title":"BLOW UP FOR POSITIVE-INITIAL ENERGY AND DECAY OF A BIHARMONIC SYSTEM WITH VARIABLE-EXPONENT NONLINEARITIES","authors":"O. Bouhoufani, M. Al‐Gharabli, S. Messaoudi","doi":"10.37418/amsj.11.12.2","DOIUrl":"https://doi.org/10.37418/amsj.11.12.2","url":null,"abstract":"This work is concerned with a coupled system of two biharmonic equations with variable exponents in the damping and source terms. Using the energy approach and for certain solution with positive initial data, we prove the blow-up theorem. Then, we establish the global existence as well as energy decay results of solutions, under appropriate conditions on the parameters of the problem, using the stable-set and the multiplier methods.","PeriodicalId":231117,"journal":{"name":"Advances in Mathematics: Scientific Journal","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124485617","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
A WELL-POSEDNESS RESULT FOR A STOCHASTIC CAHN-HILLIARD EQUATION 随机cahn-hilliard方程的适定性结果
Advances in Mathematics: Scientific Journal Pub Date : 2022-12-01 DOI: 10.37418/amsj.11.12.1
M. Adja, S. Boussaïd
{"title":"A WELL-POSEDNESS RESULT FOR A STOCHASTIC CAHN-HILLIARD EQUATION","authors":"M. Adja, S. Boussaïd","doi":"10.37418/amsj.11.12.1","DOIUrl":"https://doi.org/10.37418/amsj.11.12.1","url":null,"abstract":"This paper is about the study of the well-posedness of a stochastic Cahn-Hilliard equation driven by white noise induced by a Q-Brownian motion. The proof of the existence of a unique global solution relies on the Galerkin method together with a monotonicity method.","PeriodicalId":231117,"journal":{"name":"Advances in Mathematics: Scientific Journal","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129845430","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
Hommogenous weights on the ring $mathfrak{R}_{5,3}=mathbb{F}_5+u_1mathbb{F}_5+u_2mathbb{F}_5+u_3mathbb{F}_5$ 环上的齐次权$mathfrak{R}_{5,3}=mathbb{F}_5+u_1mathbb{F}_5+u_2mathbb{F}_5+u_3mathbb{F}_5$
Advances in Mathematics: Scientific Journal Pub Date : 2022-11-29 DOI: 10.37418/amsj.11.11.11
O. Haddouche, H. Zekraoui, K. Chatouh
{"title":"Hommogenous weights on the ring $mathfrak{R}_{5,3}=mathbb{F}_5+u_1mathbb{F}_5+u_2mathbb{F}_5+u_3mathbb{F}_5$","authors":"O. Haddouche, H. Zekraoui, K. Chatouh","doi":"10.37418/amsj.11.11.11","DOIUrl":"https://doi.org/10.37418/amsj.11.11.11","url":null,"abstract":"In this paper, we investigate linear codes over the ring $ mathfrak{R}_{5,3}=mathbb{F}_{5}+u_{1}mathbb{F}_{5}+u_{2}mathbb{F}_{5}+u_{3}mathbb{F}_{5} $, and we determine the homogeneous weight of this ring, to derive some properties corresponding to these codes.","PeriodicalId":231117,"journal":{"name":"Advances in Mathematics: Scientific Journal","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127716813","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
MATHEMATICAL MODEL TO EVALUATE NON-DETERMINISTIC CUMULATIVE DAMAGE IN AN ORGANIZATION 评估组织中不确定性累积损害的数学模型
Advances in Mathematics: Scientific Journal Pub Date : 2022-11-23 DOI: 10.37418/amsj.11.11.10
V. Srinivasan, J. Råman
{"title":"MATHEMATICAL MODEL TO EVALUATE NON-DETERMINISTIC CUMULATIVE DAMAGE IN AN ORGANIZATION","authors":"V. Srinivasan, J. Råman","doi":"10.37418/amsj.11.11.10","DOIUrl":"https://doi.org/10.37418/amsj.11.11.10","url":null,"abstract":"Unsystematic events like shocks can harm an organization and lead to its demise. The damage is not harmful by itself because of the one-failure time. The organization could eventually collapse due to the alternating damage. The organization fails once the total harm reaches a particular point. To ascertain when the organization's response plan is necessary, the inter-arrival time of harm is estimated. This study will employ the Exponentiated Exponential Binomial Distribution.","PeriodicalId":231117,"journal":{"name":"Advances in Mathematics: Scientific Journal","volume":"20 41","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120927704","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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