Existence of even homoclinic orbits for
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Ying Lv; Chun-Lei Tang
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Article
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2007
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Elsevier Science
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English
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Some existence theorems for even homoclinic orbits are obtained for a class of second-order nonautonomous Hamiltonian systems with symmetric potentials under a class of new superquadratic conditions. A homoclinic orbit is obtained as a limit of solutions of a certain sequence of nil-boundary-value p