Pub Date : 2019-01-01DOI: 10.32523/2077-9879-2019-10-4-75-84
G. Magaril-Il'yaev, E. O. Sivkova
{"title":"OPTIMAL RECOVERY OF SEMI-GROUP OPERATORS FROM INACCURATE DATA","authors":"G. Magaril-Il'yaev, E. O. Sivkova","doi":"10.32523/2077-9879-2019-10-4-75-84","DOIUrl":"https://doi.org/10.32523/2077-9879-2019-10-4-75-84","url":null,"abstract":"","PeriodicalId":44248,"journal":{"name":"Eurasian Mathematical Journal","volume":"1 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69697296","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}
Pub Date : 2019-01-01DOI: 10.32523/2077-9879-2019-10-1-80-88
Ş. Yıldız
{"title":"A NEW RESULT ON MATRIX SUMMABILITY FACTORS OF FOURIER SERIES","authors":"Ş. Yıldız","doi":"10.32523/2077-9879-2019-10-1-80-88","DOIUrl":"https://doi.org/10.32523/2077-9879-2019-10-1-80-88","url":null,"abstract":"","PeriodicalId":44248,"journal":{"name":"Eurasian Mathematical Journal","volume":"119 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69696463","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}
Pub Date : 2019-01-01DOI: 10.32523/2077-9879-2019-10-2-65-74
K. Ospanov, Zh.B. Yeskabylova, D. R. Beisenova
{"title":"MAXIMAL REGULARITY ESTIMATES FOR HIGHER ORDER DIFFERENTIAL EQUATIONS WITH FLUCTUATING COEFFICIENTS","authors":"K. Ospanov, Zh.B. Yeskabylova, D. R. Beisenova","doi":"10.32523/2077-9879-2019-10-2-65-74","DOIUrl":"https://doi.org/10.32523/2077-9879-2019-10-2-65-74","url":null,"abstract":"","PeriodicalId":44248,"journal":{"name":"Eurasian Mathematical Journal","volume":"1 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69697043","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}
Pub Date : 2019-01-01DOI: 10.32523/2077-9879-2019-10-2-75-83
F. Rouzkard
{"title":"COMMON FIXED POINT THEOREMS FOR TWO PAIRS OF SELF-MAPPINGS IN COMPLEX-VALUED METRIC SPACES","authors":"F. Rouzkard","doi":"10.32523/2077-9879-2019-10-2-75-83","DOIUrl":"https://doi.org/10.32523/2077-9879-2019-10-2-75-83","url":null,"abstract":"","PeriodicalId":44248,"journal":{"name":"Eurasian Mathematical Journal","volume":"1 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69697162","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}
Pub Date : 2019-01-01DOI: 10.32523/2077-9879-2019-10-1-09-15
A. Darbinyan, A. Tumanyan
{"title":"ON INDEX STABILITY OF NOETHERIAN DIFFERENTIAL OPERATORS IN ANISOTROPIC SOBOLEV SPACES","authors":"A. Darbinyan, A. Tumanyan","doi":"10.32523/2077-9879-2019-10-1-09-15","DOIUrl":"https://doi.org/10.32523/2077-9879-2019-10-1-09-15","url":null,"abstract":"","PeriodicalId":44248,"journal":{"name":"Eurasian Mathematical Journal","volume":"1 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69696735","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}
Pub Date : 2019-01-01DOI: 10.32523/2077-9879-2019-10-4-85-91
Zh.B. Yeskabylova, K. Ospanov, T. Bekjan
{"title":"THE SOLVABILITY RESULTS FOR THE THIRD-ORDER SINGULAR NON-LINEAR DIFFERENTIAL EQUATION","authors":"Zh.B. Yeskabylova, K. Ospanov, T. Bekjan","doi":"10.32523/2077-9879-2019-10-4-85-91","DOIUrl":"https://doi.org/10.32523/2077-9879-2019-10-4-85-91","url":null,"abstract":"","PeriodicalId":44248,"journal":{"name":"Eurasian Mathematical Journal","volume":"1 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69697348","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}
Pub Date : 2019-01-01DOI: 10.32523/2077-9879-2019-10-2-08-29
N. Bokayev, M. Goldman, G. Karshygina
{"title":"CRITERIA FOR EMBEDDING OF GENERALIZED BESSEL AND RIESZ POTENTIAL SPACES IN REARRANGEMENT INVARIANT SPACES","authors":"N. Bokayev, M. Goldman, G. Karshygina","doi":"10.32523/2077-9879-2019-10-2-08-29","DOIUrl":"https://doi.org/10.32523/2077-9879-2019-10-2-08-29","url":null,"abstract":"","PeriodicalId":44248,"journal":{"name":"Eurasian Mathematical Journal","volume":"1 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69696613","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}
Pub Date : 2019-01-01DOI: 10.32523/2077-9879-2019-10-1-30-51
Mongkolsery Lin, B. Fisher, S. Orankitjaroen
{"title":"ON THE INCOMPLETE GAMMA FUNCTION AND ITS NEUTRIX CONVOLUTION FOR NEGATIVE INTEGERS","authors":"Mongkolsery Lin, B. Fisher, S. Orankitjaroen","doi":"10.32523/2077-9879-2019-10-1-30-51","DOIUrl":"https://doi.org/10.32523/2077-9879-2019-10-1-30-51","url":null,"abstract":"","PeriodicalId":44248,"journal":{"name":"Eurasian Mathematical Journal","volume":"1 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69696391","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}
Pub Date : 2019-01-01DOI: 10.32523/2077-9879-2019-10-3-84-88
V. Burenkov, B.Th. Tuyen
where H and M are self-adjoint elliptic differential operators of orders 2k, 2m respectively, where k,m ∈ N,m < k, and Ω is an arbitrary bounded open set in R . Sharp estimates for the variation of the eigenvalues upon domain perturbation will be presented. This work was supported by the grants of the Russian Science Foundation (project no. 19-11-00087) and of the Russian Foundation for Basic Research (project no. 18-51-06005). Based on joint work with Tamara Tararykova and Bien Thanh Tuyen.
式中，H、M分别为2k、2m阶的自伴随椭圆微分算子，其中k, M∈N, M < k， Ω为R中的任意有界开集。对特征值在域扰动下的变化将给出尖锐的估计。这项工作得到了俄罗斯科学基金会的资助(项目编号:1)。19-11-00087)和俄罗斯基础研究基金会(项目编号:18-51-06005)。基于与Tamara Tararykova和Bien Thanh Tuyen的联合工作。
{"title":"ON SPECTRAL STABILITY PROBLEM FOR A PAIR OF SELF-ADJOINT ELLIPTIC DIFFERENTIAL OPERATORS ON BOUNDED OPEN SETS","authors":"V. Burenkov, B.Th. Tuyen","doi":"10.32523/2077-9879-2019-10-3-84-88","DOIUrl":"https://doi.org/10.32523/2077-9879-2019-10-3-84-88","url":null,"abstract":"where H and M are self-adjoint elliptic differential operators of orders 2k, 2m respectively, where k,m ∈ N,m < k, and Ω is an arbitrary bounded open set in R . Sharp estimates for the variation of the eigenvalues upon domain perturbation will be presented. This work was supported by the grants of the Russian Science Foundation (project no. 19-11-00087) and of the Russian Foundation for Basic Research (project no. 18-51-06005). Based on joint work with Tamara Tararykova and Bien Thanh Tuyen.","PeriodicalId":44248,"journal":{"name":"Eurasian Mathematical Journal","volume":"1 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69697130","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}
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