Boundary value problems for the stationary Schrödinger equation on Riemannian manifolds.
Mazepa, E. A. (2002)
Sibirskij Matematicheskij Zhurnal
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Mazepa, E. A. (2002)
Sibirskij Matematicheskij Zhurnal
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Bachman, David, Schleimer, Saul, Sedgwick, Eric (2006)
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Frigerio, Roberto (2006)
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Giroux, Emmanuel, Goodman, Noah (2006)
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Saeki, Osamu, Yamamoto, Takahiro (2006)
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Karel Dekimpe, Wim Malfait (1996)
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The main issue of this paper is an attempt to find a decomposition theorem for infra-nilmanifolds in the same spirit as a result of A. Vasquez for flat Riemannian manifolds. That is: we look for infra-nilmanifolds with prime order holonomy which can be obtained as a fiber space with a non-trivial nilmanifold as fiber and an infra-nilmanifold as its base. In this perspective, we prove the following algebraic result: if E is an almost-Bieberbach group with prime order...
Christian Friesen, Paul van Wamelen (1997)
Acta Arithmetica
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Kuniaki Horie (1994)
Acta Arithmetica
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Jeffrey Lin Thunder, John Wolfskill (1996)
Acta Arithmetica
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Young Im, Yongkuk Kim (1999)
Fundamenta Mathematicae
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Let p: M → B be a proper surjective map defined on an (n+2)-manifold such that each point-preimage is a copy of a hopfian n-manifold. Then we show that p is an approximate fibration over some dense open subset O of the mod 2 continuity set C’ and C’ ∖ O is locally finite. As an application, we show that a hopfian n-manifold N is a codimension-2 fibrator if χ(N) ≠ 0 or