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A modification of a classical number-theorem on Diophantine approximations is used for generalizing H. kielhöfer's result on bifurcations of nontrivial periodic solutions to nonlinear wave equations.
One of the important issues on the distribution network design is to incorporate
inventory management cost into the facility location model. This paper deals with a
network model making the decisions on the facility location such as the number of DCs and
their locations as well as the decisions on the inventory management such as the ordering
quantity and the level of safety stock at each DC. The considered model differs from the
previous works by...
One of the important issues on the distribution network design is to incorporate
inventory management cost into the facility location model. This paper deals with a
network model making the decisions on the facility location such as the number of DCs and
their locations as well as the decisions on the inventory management such as the ordering
quantity and the level of safety stock at each DC. The considered model differs from the
previous works by...
This paper is devoted to the proof of almost global existence results for Klein-Gordon equations on compact revolution hypersurfaces with non-Hamiltonian nonlinearities, when the data are smooth, small and radial. The method combines normal forms with the fact that the eigenvalues associated to radial eigenfunctions of the Laplacian on such manifolds are simple and satisfy convenient asymptotic expansions.
In this paper, we investigate the existence of solutions on unbounded domain to a hyperbolic differential inclusion in Banach spaces. We shall rely on a fixed point theorem due to Ma which is an extension to multivalued between locally convex topological spaces of Schaefer's theorem.
The paper aims at extending the notion of regional controllability developed for linear systems cite to the semilinear hyperbolic case. We begin with an asymptotically linear system and the approach is based on an extension of the Hilbert uniqueness method and Schauder's fixed point theorem. The analytical case is then tackled using generalized inverse techniques and converted to a fixed point problem leading to an algorithm which is successfully implemented numerically and illustrated with examples....
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