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INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES最新文献

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Extended blocker, deletion, and contraction maps on antichains 扩展阻滞剂、缺失和收缩映射在反链上
IF 1.2
INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES Pub Date : 2003-01-01 DOI: 10.1155/S0161171203206086
A. Matveev
{"title":"Extended blocker, deletion, and contraction maps on antichains","authors":"A. Matveev","doi":"10.1155/S0161171203206086","DOIUrl":"https://doi.org/10.1155/S0161171203206086","url":null,"abstract":"Families of maps on the lattice of all antichains of a finite bounded poset that extend the blocker, deletion, and contraction maps on clutters are considered. Influence of the parameters of the maps is investigated. Order-theoretic extensions of some principal relations for the set-theoretic blocker, deletion, and contraction maps on clutters are presented.","PeriodicalId":39893,"journal":{"name":"INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES","volume":"2003 1","pages":"607-616"},"PeriodicalIF":1.2,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/S0161171203206086","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64979615","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
A general lemma for fixed-point theorems involving more than two maps in D-metric spaces with applications d-度量空间中涉及两个以上映射的不动点定理的一般引理及其应用
IF 1.2
INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES Pub Date : 2003-01-01 DOI: 10.1155/S0161171203206293
B. Dhage, S. Arya, J. Ume
{"title":"A general lemma for fixed-point theorems involving more than two maps in D-metric spaces with applications","authors":"B. Dhage, S. Arya, J. Ume","doi":"10.1155/S0161171203206293","DOIUrl":"https://doi.org/10.1155/S0161171203206293","url":null,"abstract":"A general procedural lemma for fixed-point theorems for three and four maps in a D-metric space is proved, and it is further applied for proving the common fixed-point theorems of three and four maps in a D-metric space satisfying certain contractive conditions.","PeriodicalId":39893,"journal":{"name":"INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES","volume":"2003 1","pages":"661-672"},"PeriodicalIF":1.2,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/S0161171203206293","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64980551","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
Unstable K-cohomology algebra is filtered λ-ring 不稳定k -上同代数是经滤波的λ环
IF 1.2
INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES Pub Date : 2003-01-01 DOI: 10.1155/S0161171203208012
Donald Yau
{"title":"Unstable K-cohomology algebra is filtered λ-ring","authors":"Donald Yau","doi":"10.1155/S0161171203208012","DOIUrl":"https://doi.org/10.1155/S0161171203208012","url":null,"abstract":"Boardman, Johnson, and Wilson (1995) gave a precise formulation for an unstable algebra over a generalized cohomology theory. Modifying their definition slightly in the case of complex K -theory by taking into account its periodicity, we prove that an unstable algebra for complex K -theory is precisely a filtered λ -ring, and vice versa.","PeriodicalId":39893,"journal":{"name":"INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES","volume":"2003 1","pages":"593-605"},"PeriodicalIF":1.2,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/S0161171203208012","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64980670","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
Cauchy approximation for sums of independent random variables 独立随机变量和的柯西近似
IF 1.2
INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES Pub Date : 2003-01-01 DOI: 10.1155/S0161171203208206
K. Neammanee
{"title":"Cauchy approximation for sums of independent random variables","authors":"K. Neammanee","doi":"10.1155/S0161171203208206","DOIUrl":"https://doi.org/10.1155/S0161171203208206","url":null,"abstract":"We use Stein's method to find a bound for Cauchy approximation. The random variables which are considered need to be independent.","PeriodicalId":39893,"journal":{"name":"INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES","volume":"2003 1","pages":"1055-1066"},"PeriodicalIF":1.2,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/S0161171203208206","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64981588","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
ASYMPTOTICS OF INTEGRODIFFERENTIAL MODELS WITH INTEGRABLE KERNELS II 具有可积核的积分微分模型的渐近性ii
IF 1.2
INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES Pub Date : 2003-01-01 DOI: 10.1155/S0161171203209091
A. Bijura
{"title":"ASYMPTOTICS OF INTEGRODIFFERENTIAL MODELS WITH INTEGRABLE KERNELS II","authors":"A. Bijura","doi":"10.1155/S0161171203209091","DOIUrl":"https://doi.org/10.1155/S0161171203209091","url":null,"abstract":"where 0 <e � 1 and 0 <β< 1. The functions g(t) and k(t, s) are continuous and k(t, t) < 0, 0 ≤ t ≤ T . The initial condition y0(e) is regular with respect to e as e tends to zero when g(0) = 0 and singular when g(0) ≠ 0. For this reason, it is appropriate to denote y0(e) = y0 when g(0) = 0 and y0(e) = ˜","PeriodicalId":39893,"journal":{"name":"INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES","volume":"2003 1","pages":"1577-1598"},"PeriodicalIF":1.2,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/S0161171203209091","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64982970","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: 6
TWO-MACHINE FLOWSHOP SCHEDULING PROBLEM TO MINIMIZE MAKESPAN OR TOTAL COMPLETION TIME WITH RANDOM AND BOUNDED SETUP TIMES 在随机和有界设置时间下最小化完工时间或总完成时间的双机流水车间调度问题
IF 1.2
INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES Pub Date : 2003-01-01 DOI: 10.1155/S016117120321019X
A. Allahverdi, Tariq A. Aldowaisan, Y. Sotskov
{"title":"TWO-MACHINE FLOWSHOP SCHEDULING PROBLEM TO MINIMIZE MAKESPAN OR TOTAL COMPLETION TIME WITH RANDOM AND BOUNDED SETUP TIMES","authors":"A. Allahverdi, Tariq A. Aldowaisan, Y. Sotskov","doi":"10.1155/S016117120321019X","DOIUrl":"https://doi.org/10.1155/S016117120321019X","url":null,"abstract":"This paper addresses the two-machine flowshop scheduling problem with separate setup times to minimize makespan or total completion time (TCT). Setup times are relaxed to be random variables rather than deterministic as commonly used in the OR literature. Moreover, distribution-free setup times are used where only the lower and upper bounds are given. Global and local dominance relations are developed for the considered flowshops and an illustrative numerical example is given.","PeriodicalId":39893,"journal":{"name":"INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES","volume":"2003 1","pages":"2475-2486"},"PeriodicalIF":1.2,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/S016117120321019X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64984643","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: 37
Graded transcendental extensions of graded fields 分阶域的分阶超越扩展
IF 1.2
INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES Pub Date : 2003-01-01 DOI: 10.1155/S0161171203210656
M. Boulagouaz
{"title":"Graded transcendental extensions of graded fields","authors":"M. Boulagouaz","doi":"10.1155/S0161171203210656","DOIUrl":"https://doi.org/10.1155/S0161171203210656","url":null,"abstract":"We study transcendency properties for graded field extension and give an application to valued field extensions.","PeriodicalId":39893,"journal":{"name":"INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES","volume":"8 1","pages":"4435-4446"},"PeriodicalIF":1.2,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/S0161171203210656","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64986202","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
AN APPROXIMATION TO DISCRETE OPTIMAL FEEDBACK CONTROLS 离散最优反馈控制的近似
IF 1.2
INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES Pub Date : 2003-01-01 DOI: 10.1155/S0161171203211042
Jinghao Zhu, Zhiqiang Zou
{"title":"AN APPROXIMATION TO DISCRETE OPTIMAL FEEDBACK CONTROLS","authors":"Jinghao Zhu, Zhiqiang Zou","doi":"10.1155/S0161171203211042","DOIUrl":"https://doi.org/10.1155/S0161171203211042","url":null,"abstract":"We study discrete solutions of nonlinear optimal control problems. By value functions, we construct difference equations to approximate the optimal control on each interval of “small” time. We aim to find a discrete optimal feedback control. An algorithm is proposed for computing the solution of the optimal control problem.","PeriodicalId":39893,"journal":{"name":"INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES","volume":"2003 1","pages":"2989-3001"},"PeriodicalIF":1.2,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/S0161171203211042","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64986551","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
Quadratic pairs in characteristic 2 and the Witt cancellation theorem. 特征2的二次元对与Witt消去定理。
IF 1.2
INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES Pub Date : 2003-01-01 DOI: 10.1155/S016117120321070X
M. A. Elomary
{"title":"Quadratic pairs in characteristic 2 and the Witt cancellation theorem.","authors":"M. A. Elomary","doi":"10.1155/S016117120321070X","DOIUrl":"https://doi.org/10.1155/S016117120321070X","url":null,"abstract":"We define the orthogonal sum of quadratic pairs and we show that there is no Witt cancellation theorem for this operation in characteristic 2.","PeriodicalId":39893,"journal":{"name":"INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES","volume":"2003 1","pages":"4389-4397"},"PeriodicalIF":1.2,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/S016117120321070X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64986864","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
On a stochastic Burgers equation with Dirichlet boundary conditions 具有Dirichlet边界条件的随机Burgers方程
IF 1.2
INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES Pub Date : 2003-01-01 DOI: 10.1155/S0161171203211121
E. T. Kolkovska
{"title":"On a stochastic Burgers equation with Dirichlet boundary conditions","authors":"E. T. Kolkovska","doi":"10.1155/S0161171203211121","DOIUrl":"https://doi.org/10.1155/S0161171203211121","url":null,"abstract":"We consider the one-dimensional Burgers equation perturbed by a white noise term with Dirichlet boundary conditions and a non-Lipschitz coefficient. We obtain existence of a weak solution proving tightness for a sequence of polygonal approximations for the equation and solving a martingale problem for the weak limit.","PeriodicalId":39893,"journal":{"name":"INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES","volume":"2003 1","pages":"2735-2746"},"PeriodicalIF":1.2,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/S0161171203211121","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64987064","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: 6
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