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scientific article; zbMATH DE number 4126142
| Language | Label | Description | Also known as |
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| English | No label defined |
scientific article; zbMATH DE number 4126142 |
Statements
1990
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hyperbolic systems
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operator equations
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Galerkin type method
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pseudo-A- proper
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Brouwer degree
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asymptotically close at infinity to a selfadjoint map
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reasonance and nonreasonance cases
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existence of time-periodic solutions of the variational boundary
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problems for the semilinear (systems of) wave and telegraph
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equations in one and more space variables
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existence of time-periodic solutions of the variational boundary problems for the semilinear (systems of) wave and telegraph equations in one and more space variables
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