Invariants of twist-wise flow equivalence.
Sullivan, Michael C. (1997)
Electronic Research Announcements of the American Mathematical Society [electronic only]
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Sullivan, Michael C. (1997)
Electronic Research Announcements of the American Mathematical Society [electronic only]
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Kolumban Hutter (1985)
Banach Center Publications
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Brunon Kamiński, Artur Siemaszko, Jerzy Szymański (2005)
Bulletin of the Polish Academy of Sciences. Mathematics
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We introduce the concept of an extreme relation for a topological flow as an analogue of the extreme measurable partition for a measure-preserving transformation considered by Rokhlin and Sinai, and we show that every topological flow has such a relation for any invariant measure. From this result, it follows, among other things, that any deterministic flow has zero topological entropy and any flow which is a K-system with respect to an invariant measure with full support is a topological...
V. M. Soundalgekar (1971)
Matematički Vesnik
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Mogollon, Ramon (1980)
International Journal of Mathematics and Mathematical Sciences
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Mark Pollicott (1991-1992)
Séminaire de théorie spectrale et géométrie
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Marshall J. Leitman, Epifanio G. Virga (1988)
Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti
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We show that the smooth bounded channel flows of a viscoelastic fluid exhibit the following qualitative feature: Whenever the channel is sufficiently wide, any bounded velocity field satisfying the homogeneous equation of motion is such that if the flow stops at some time, then the flow is never unidirectional throughout the channel. We first demonstrate the qualitative property of the bounded channel flows. Then we show explicitly how a piecewise linear approximation of a relaxation...
H. Kalisch (2012)
Mathematical Modelling of Natural Phenomena
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Two-dimensional inviscid channel flow of an incompressible fluid is considered. It is shown that if the flow is steady and features no horizontal stagnation, then the flow must necessarily be a parallel shear flow.
D. V. Krishna (1966)
Applicationes Mathematicae
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W. R. Utz (1966)
Colloquium Mathematicae
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Marshall J. Leitman, Epifanio G. Virga (1988)
Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni
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We show that the smooth bounded channel flows of a viscoelastic fluid exhibit the following qualitative feature: Whenever the channel is sufficiently wide, any bounded velocity field satisfying the homogeneous equation of motion is such that if the flow stops at some time, then the flow is never unidirectional throughout the channel. We first demonstrate the qualitative property of the bounded channel flows. Then we show explicitly how a piecewise linear approximation of a relaxation...
Saroop Kaul (1987)
Fundamenta Mathematicae
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