Subharmonic oscillations for forced pendulum type equations (Q755976)
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scientific article; zbMATH DE number 4190195
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Subharmonic oscillations for forced pendulum type equations |
scientific article; zbMATH DE number 4190195 |
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Subharmonic oscillations for forced pendulum type equations (English)
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1990
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The main purpose of this paper is to prove a global result on the existence of subharmonic oscillations for forced pendulum type equations. The proofs use variational techniques including index theory for periodic extremals.
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mountain pass theorem
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existence of subharmonic oscillations for forced pendulum type equations
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index theory for periodic extremals
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