Kenneth Kunen (2002)
Commentationes Mathematicae Universitatis Carolinae
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There is a locally compact Hausdorff space which is linearly Lindelöf and not Lindelöf. This answers a question of Arhangel'skii and Buzyakova.
Salvador García-Ferreira, Y. F. Ortiz-Castillo (2014)
Commentationes Mathematicae Universitatis Carolinae
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For a free ultrafilter on , the concepts of strong pseudocompactness, strong -pseudocompactness and pseudo--boundedness were introduced in [Angoa J., Ortiz-Castillo Y.F., Tamariz-Mascarúa A., Ultrafilters and properties related to compactness, Topology Proc. 43 (2014), 183–200] and [García-Ferreira S., Ortiz-Castillo Y.F., Strong pseudocompact properties of certain subspaces of , submitted]. These properties in a space characterize the pseudocompactness of the hyperspace of compact...
Satya Narayan Mukhopadhyay, S. Ray (2009)
Mathematica Bohemica
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Several mean value theorems for higher order divided differences and approximate Peano derivatives are proved.
Delil, A. (2007)
Advances in Difference Equations [electronic only]
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Peng, Jian-Wen, Wang, Yan, Zhao, Lai-Jun (2009)
Fixed Point Theory and Applications [electronic only]
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Shouchuan Hu, Nikolaos S. Papageorgiou (1994)
Commentationes Mathematicae Universitatis Carolinae
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In this paper we study the convergence properties of the Galerkin approximations to a nonlinear, nonautonomous evolution inclusion and use them to determine the structural properties of the solution set and establish the existence of periodic solutions. An example of a multivalued parabolic p.d.ei̇s also worked out in detail.