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Displaying similar documents to “Adding tails to C * -correspondences.”

Solvability of a periodic type boundary value problem for first order scalar functional differential equations

Robert Hakl, Alexander Lomtatidze, Jiří Šremr (2004)

Archivum Mathematicum

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Nonimprovable sufficient conditions for the solvability and unique solvability of the problem u ' ( t ) = F ( u ) ( t ) , u ( a ) - λ u ( b ) = h ( u ) are established, where F : is a continuous operator satisfying the Carathèodory conditions, h : R is a continuous functional, and λ .

Unduloids and their geometry

Mariana Hadzhilazova, Ivaïlo M. Mladenov, John Oprea (2007)

Archivum Mathematicum

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In this paper we consider non-compact cylinder-like surfaces called unduloids and study some aspects of their geometry. In particular, making use of a Kenmotsu-type representation of these surfaces, we derive explicit formulas for the lengths and areas of arbitrary segments, along with a formula for the volumes enclosed by them.