Mai 1982Pub Date : 1982-12-31DOI: 10.1515/9783112547083-048
E. Rannacher
{"title":"Discretization of the Heat Equation with Singular Initial Data","authors":"E. Rannacher","doi":"10.1515/9783112547083-048","DOIUrl":"https://doi.org/10.1515/9783112547083-048","url":null,"abstract":"","PeriodicalId":164554,"journal":{"name":"Mai 1982","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128937184","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}
Mai 1982Pub Date : 1982-12-31DOI: 10.1515/9783112547083-006
J. Betten
{"title":"Zur Aufstellung einer Integritätsbasis für Tensoren zweiter und vierter Stufe","authors":"J. Betten","doi":"10.1515/9783112547083-006","DOIUrl":"https://doi.org/10.1515/9783112547083-006","url":null,"abstract":"","PeriodicalId":164554,"journal":{"name":"Mai 1982","volume":"47 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114038293","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}
Mai 1982Pub Date : 1982-12-31DOI: 10.1515/9783112547083-040
R. Jeltscih, O. Nevanlinna
{"title":"Über das Erhöhen der Fehlerordnung von Mehrschrittverfahren zum Lösen von Anfangswertproblemen","authors":"R. Jeltscih, O. Nevanlinna","doi":"10.1515/9783112547083-040","DOIUrl":"https://doi.org/10.1515/9783112547083-040","url":null,"abstract":"","PeriodicalId":164554,"journal":{"name":"Mai 1982","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121329710","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}
Mai 1982Pub Date : 1982-12-31DOI: 10.1002/ZAMM.19820620502
R. Kress
{"title":"Integralgleichungsmethoden bei direkten und inversen Randwertproblemen aus der Theorie akustischer und elektromagnetischer Schwingungen","authors":"R. Kress","doi":"10.1002/ZAMM.19820620502","DOIUrl":"https://doi.org/10.1002/ZAMM.19820620502","url":null,"abstract":"Es wird berichtet uber einige neuere Entwicklungen bei Integralgleichungsmethoden fur Randwertaufgaben bei der zeitharmonischen Wellengleichung und den zeitharmonischen Maxwellschen Gleichungen, insbesondere im Hinblick auf ihre Verwendung fur numerische Approximationen. Ferner wird exemplarisch die Anwendung von Integralgleichungen fur inverse Randwertprobleme beschrieben, bei denen aus der Kenntnis der Strahlungscharakteristik Aussagen uber Rand bzw. Randwerte zu erschliesen sind.","PeriodicalId":164554,"journal":{"name":"Mai 1982","volume":"143 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115146182","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}
Mai 1982Pub Date : 1982-12-31DOI: 10.1002/ZAMM.19820620503
J. Lions
{"title":"On Some Homogenization Problems","authors":"J. Lions","doi":"10.1002/ZAMM.19820620503","DOIUrl":"https://doi.org/10.1002/ZAMM.19820620503","url":null,"abstract":"This expository paper presents some recent results on the “homogenization” process which consists in “approximating” a nonhomogeneous material with a periodic structure by a homogeneous material. Examples of non homogeneous materials are given by composite materials or by performed materials. The approximation is valid when the size ϵ of the period tends to 0. Actually one obtains in some cases higher order terms in the expansion of the state of the system in terms of “powers” of ϵ, with an ansatz of the type of “multiple scale” variables.","PeriodicalId":164554,"journal":{"name":"Mai 1982","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127291383","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}
Mai 1982Pub Date : 1982-12-31DOI: 10.1515/9783112547083-050
D. Saupe
{"title":"Topologische Perturbationen zum Wechsel der Triangulierung in PL-Algorithmen","authors":"D. Saupe","doi":"10.1515/9783112547083-050","DOIUrl":"https://doi.org/10.1515/9783112547083-050","url":null,"abstract":"","PeriodicalId":164554,"journal":{"name":"Mai 1982","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129040041","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}
Mai 1982Pub Date : 1982-12-31DOI: 10.1515/9783112547083-044
H. N. Mülthei
{"title":"Maximale Konvergenzordnung bei der numerischen Behandlung von gewöhnlichen Differentialgleichungen mit Splines","authors":"H. N. Mülthei","doi":"10.1515/9783112547083-044","DOIUrl":"https://doi.org/10.1515/9783112547083-044","url":null,"abstract":"","PeriodicalId":164554,"journal":{"name":"Mai 1982","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115799494","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}