## Found 13 Documents (Results 1–13)

### Multiple periodic solutions of differential delay equations with $$2k-1$$ lags. (English)Zbl 1442.34111

MSC:  34K13 58E50
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MSC:  34K13
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### On the number of periodic solutions to Kaplan-Yorke-like high order differential delay equations with $$2k$$ lags. (English)Zbl 1439.34068

MSC:  34K13 58E50
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### Multiple periodic solutions of high order differential delay equations with $$2k-1$$ lags. (English)Zbl 1458.34123

MSC:  34K13 34C25
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### Periodic orbits to Kaplan-Yorke like differential delay equations with two lags of ratio $$(2k-1)/2$$. (English)Zbl 1419.34089

MSC:  34B10 34B15 34C25
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### Multiple periodic solutions of delay differential systems with $$2k-1$$ lags via variational approach. (English)Zbl 1354.34121

MSC:  34K13 58E50
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### Periodic solutions for nonautonomous first order delay differential systems via Hamiltonian systems. (English)Zbl 1422.34202

MSC:  34K13 34K18 37J45 37B55
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### Periodic solutions of second-order differential equations with multiple delays. (English)Zbl 1291.34112

MSC:  34K13 58E50 47N20
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### Variational approaches for the existence of multiple periodic solutions of differential delay equations. (English)Zbl 1195.34104

MSC:  34K13 58E30
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### Periodic solutions for a class of non-autonomous differential delay equations. (English)Zbl 1186.34091

MSC:  34K13 58E05
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MSC:  34K13
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### Multiple periodic solutions of differential delay equations via Hamiltonian systems. II. (English)Zbl 1136.34330

MSC:  34K13 37J45 58E05
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### Multiple periodic solutions of differential delay equations via Hamiltonian systems. I. (English)Zbl 1136.34329

MSC:  34K13 37J45 58E05
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