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Displaying 21 –
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533
For , let be a bounded smooth domain and a compact smooth Riemannian manifold without boundary. Suppose that is a sequence of weak solutions in the critical dimension to the perturbed -polyharmonic maps
with in and weakly in . Then is an -polyharmonic map. In particular, the space of -polyharmonic maps is sequentially compact for the weak- topology.
Introduction: This article will present just one example of a general construction known as the Bernstein-Gelfand-Gelfand (BGG) resolution. It was the motivating example from two lectures on the BGG resolution given at the 19th Czech Winter School on Geometry and Physics held in Srní in January 1999. This article may be seen as a technical example to go with a more elementary introduction which will appear elsewhere [M. Eastwood, Notices Am. Math. Soc. 46, No. 11, 1368-1376 (1999)]. In fact, there...
Let be a bundle functor of order , , on the category of -dimensional fibered manifolds and local fibered diffeomorphisms. Given a general connection on an -object we construct a general connection on be means of an auxiliary -th order linear connection on and an -th order linear connection on . Then we construct a general connection on by means of auxiliary classical linear connections on and on . In the case we determine all general connections on from...
Summary: The Ado theorem is a fundamental fact, which has a reputation of being a `strange theorem'. We give its natural proof.
We construct series of examples of non-flat non-homogeneous parabolic geometries that carry a symmetry of the parabolic geometry at each point.
We apply the well-known homotopy continuation method to address the motion planning problem (MPP) for smooth driftless control-affine systems. The homotopy continuation method is a Newton-type procedure to effectively determine functions only defined implicitly. That approach requires first to characterize the singularities of a surjective map and next to prove global existence for the solution of an ordinary differential equation, the Wazewski equation. In the context of the MPP, the aforementioned...
We apply the well-known homotopy continuation method to address the
motion planning problem (MPP) for smooth driftless control-affine
systems. The homotopy continuation method is a Newton-type procedure
to effectively determine functions only defined implicitly. That
approach requires first to characterize the singularities of a
surjective map and next to prove global existence for the solution of
an ordinary differential equation, the Wazewski equation. In the
context of the MPP, the aforementioned...
This paper studies a family of finite volume schemes for the hyperbolic scalar conservation law on a closed Riemannian manifold M.
For an initial value in BV(M) we will show that these schemes converge with a convergence rate towards the entropy solution. When M is 1-dimensional the schemes are TVD and we will show that this improves the convergence rate to
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