共查询到20条相似文献,搜索用时 15 毫秒
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Winfried Kaballo 《manuscripta mathematica》1976,18(1):57-82
In this paper we study bounded holomorphic perturbations of a semi-Fredholm operator between sequentially complete locally convex spaces; however, some results are new in the case of Banach spaces, too. We define a concept of holomorphy for bounded operator functions and show that a meromorphy theorem is true for such perturbations of the identity. Then we deal with the problem when a weakly holomorphic bounded operator function is holomorphic in the defined sense. In the case of one complex variable we then prove an existence and extension theorem for solutions of equations T(z)x=y(z) which answers a question of B. Gramsch [7]. Finally we apply our results to partial differential operators. 相似文献
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Dr. Andreas Kriegl 《Monatshefte für Mathematik》1983,95(4):287-309
This paper is a continuation of [6], in which I identified thec ∞-complete bornological locally convex spaces (in short: 1cs) as the right ones for infinite dimensional analysis. Here I discuss smooth mappings between arbitrary 1cs, where a mapping is called smooth iff its compositions with smooth curves are smooth. The 1st part is mainly devoted to prove the cartesian closedness of the category of (bornological,c ∞-complete) 1cs together with the smooth mappings between them. In the 2nd part I discuss the bornology of function spaces and furthermore demonstrate the smoothness of the differentiation process. Finally, in the 3rd part, I compare this concept of smoothness with several others, discussed byKeller in [5], and show it to be the weakest that fulfills the chainrule. 相似文献
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Helmut Schaefer 《Mathematische Zeitschrift》1956,66(1):147-163
Ohne ZusammenfassungDiese Arbeit lag einem auf einer Spezialtagung über Funktionalanalysis im März 1956 in Oberwolfach gehaltenen Vortrag zugrunde. 相似文献
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Johann Jakob Burckhardt 《Commentarii Mathematici Helvetici》1936,9(1):284-302
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Joseph Heinhold 《Mathematische Zeitschrift》1939,44(1):659-688
Ohne ZusammenfassungDie Arbeit wurde von der Naturwissenschaftlichen Fakultät der Universität München als Dissertation (D 19) angenommen. Herrn Geheimrat Prof. Dr. Perron bin ich für die Anregung und Förderung dieser Arbeit zu aufrichtigem Dank verpflichtet. 相似文献
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J. Molnár 《Acta Mathematica Hungarica》1956,7(1):107-108
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Vorgelegt von
G. Hajós 相似文献
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