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Found 6 Documents (Results 1–6)

Conditions for the existence of two limit cycles in a system with hysteresis nonlinearity. (English. Russian original) Zbl 1434.34039

Vestn. St. Petersbg. Univ., Math. 51, No. 3, 237-243 (2018); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 5(63), No. 3, 402-410 (2018).
MSC:  34C55 34C05
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On stability of zero solution of an essentially nonlinear second-order differential equation. (English. Russian original) Zbl 1434.34049

Vestn. St. Petersbg. Univ., Math. 50, No. 3, 235-241 (2017); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 4(62), No. 3, 394-401 (2017).
MSC:  34D20 37C60 34D10
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Global stability conditions of a system with hysteresis nonlinearity. (English. Russian original) Zbl 1373.34099

Vestn. St. Petersbg. Univ., Math. 50, No. 2, 138-144 (2017); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 4(62), No. 2, 227-235 (2017).
MSC:  34H05 34C55 34D23
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Bifurcation of the state of equilibrium of an oscillator with nonlinear restoring force of third order. (English. Russian original) Zbl 1370.37099

Vestn. St. Petersbg. Univ., Math. 48, No. 2, 57-60 (2015); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 2(60), No. 2, 171-175 (2015).
MSC:  37G10 34C45
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The dependence of the maximal interval of existence of solutions to a differential equation on the initial data. (English. Russian original) Zbl 1370.34023

Vestn. St. Petersbg. Univ., Math. 47, No. 4, 141-144 (2014); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 1(59), No. 4, 511-516 (2014).
MSC:  34A12
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Life and work of Aleksandr Mikhailovich Lyapunov. (English. Russian original) Zbl 1207.01031

Vestn. St. Petersbg. Univ., Math. 40, No. 2, 93-98 (2007); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 2007, No. 2, 3-10 (2007).
MSC:  01A70 34-03
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