## Found 192 Documents (Results 1–100)

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MSC:  34K20

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### Note on some consequences of a problem by Dellac. (English)Zbl 07489633

MSC:  34A40 34A30
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### Differential transformation method for circular membrane vibrations. (English)Zbl 07417602

MSC:  35L05 35L20
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### Solvability of the initial problem for the heat equation with a fractional Laplace operator. (Russian. English summary)Zbl 1483.35105

MSC:  35K15 35R11

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### Improved oscillation results for second-order half-linear delay differential equations. (English)Zbl 1471.34132

MSC:  34K11 34C10
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### Periodic solutions existence for a second order differential equation with a discontinuous nonlinearity. (Russian. English summary)Zbl 1470.34122

MSC:  34C25 34A36 34B15
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### Boundary conditions of volume hyperbolic potential in a domain with curvilinear boundary. (English)Zbl 07401971

MSC:  35-XX 35B65 35L20

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### Necessary and sufficient conditions for optimal control problems subject to Hessenberg differential algebraic equations of arbitrary index and mixed control-state constraints. (English)Zbl 1458.49020

MSC:  49K15 49K21 65L80
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### Existence of periodic solutions for a second order differential equation with a singularity of indefinite type. (Chinese. English summary)Zbl 1463.34280

MSC:  34K13 37C60

### Analysis of random non-autonomous logistic-type differential equations via the Karhunen-Loève expansion and the random variable transformation technique. (English)Zbl 1464.60059

MSC:  60H10 34F05 60G12
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MSC:  65M70
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### Explicit/implicit and Crank-Nicolson domain decomposition methods for parabolic partial differential equations. (English)Zbl 1442.65153

MSC:  65M06 65M55 35K20
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### The existence of solutions for a class of second-order $$m$$-point boundary value problems. (Chinese. English summary)Zbl 1449.34061

MSC:  34B10 34B15

### A fractional inverse initial value problem. (English)Zbl 1444.35163

Singh, Vinai K. (ed.) et al., Advances in mathematical methods and high performance computing. Cham: Springer. Adv. Mech. Math. 41, 387-402 (2019).
MSC:  35R30 35R11 35K20
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### Boundary control of the heat transfer process in the space. (English. Russian original)Zbl 1447.93147

Russ. Math. 63, No. 12, 71-79 (2019); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2019, No. 12, 82-90 (2019).
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### On the Dirichlet problem for an elliptic functional differential equation with affine transformations of the argument. (English. Russian original)Zbl 1442.35103

Dokl. Math. 100, No. 3, 551-553 (2019); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 489, No. 4, 347-350 (2019).
MSC:  35J25
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### Oscillatory criteria for second order differential equations with several sublinear neutral terms. (English)Zbl 1437.34073

MSC:  34K11 34K40
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### Oscillatory results for second-order noncanonical delay differential equations. (English)Zbl 1437.34075

MSC:  34K11 34K06
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### Control with point observation for a parabolic problem with convection. (English. Russian original)Zbl 1436.35221

Trans. Mosc. Math. Soc. 2019, 221-234 (2019); translation from Tr. Mosk. Mat. O.-va 80, No. 2, 259-274 (2019).
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### Relations between second-order Fuchsian equations and first-order Fuchsian systems. (English. Russian original)Zbl 1454.34120

J. Math. Sci., New York 240, No. 5, 646-650 (2019); translation from Zap. Nauchn. Semin. POMI 468, 221-227 (2018).
MSC:  34M35 34M55
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### On the polynomial solution of divided-difference equations of the hypergeometric type on nonuniform lattices. (English)Zbl 1432.33016

MSC:  33D45 39A13
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### Dynamic properties of a nonlinear viscoelastic Kirchhoff-type equation with acoustic control boundary conditions. I. (English. Russian original)Zbl 1435.35221

Math. Notes 106, No. 5, 814-832 (2019); translation from Mat. Zametki 106, No. 5, 761-783 (2019).
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MSC:  34K11
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### Oscillatory behavior of second order nonlinear difference equations with a nonlinear nonpositive neutral term. (English)Zbl 1463.39017

MSC:  39A21 39A12 34K40
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### An integral-boundary value problem for a partial differential equation of second order. (English)Zbl 1432.35133

MSC:  35L20 35R30 34B10
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### Periodic stochastic high-order Degasperis-Procesi equation with cylindrical fBm. (English)Zbl 1434.60149

MSC:  60H15 60H40 35L70
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### Multiple periodic solutions for second order impulsive delay differential equations. (English)Zbl 1441.34086

MSC:  34K45 34K13 37C60
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### Homotopy analysis solution for solving boundary value problems on the second order nonlinear differential equation. (Chinese. English summary)Zbl 1449.34054

MSC:  34A45 34B15 34A25

### Oscillation of second order nonlinear differential equations with neutral delay. (Chinese. English summary)Zbl 1449.34231

MSC:  34K11 34K40

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### On the $${ L}^{ p}$$ norm of the torsion function. (English)Zbl 1464.35067

MSC:  35J05 35J25 35P99
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### Bifurcations due to the variation of boundary conditions in the logistic equation with delay and diffusion. (English. Russian original)Zbl 1428.35178

Math. Notes 106, No. 1, 136-141 (2019); translation from Mat. Zametki 106, No. 1, 138-143 (2019).
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### Stability of the equilibrium of an oscillator with an infinitely high natural oscillation frequency. (English. Russian original)Zbl 1457.34093

Vestn. St. Petersbg. Univ., Math. 52, No. 3, 259-262 (2019); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 6(64), No. 3, 394-398 (2019).
MSC:  34D20 34C05 37C60
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### Oscillation criteria for second-order differential equations with superlinear neutral term. (English)Zbl 1430.34075

MSC:  34K11 34K40
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### Weak differentiability of the control-to-state mapping in a parabolic equation with hysteresis. (English)Zbl 07141589

MSC:  47J40 35K10 34K35
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### Invariants and symmetries of second-order ordinary differential equations of nonprojective type. (English. Russian original)Zbl 1432.34041

Differ. Equ. 55, No. 8, 1017-1036 (2019); translation from Differ. Uravn. 55, No. 8, 1051-1071 (2019).
MSC:  34C14
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### New oscillation criteria for second-order half-linear advanced differential equations. (English)Zbl 1428.34088

MSC:  34K11 34C10
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### Inverse problem for Sobolev type mathematical models. (English)Zbl 1429.34030

MSC:  34A55 34A09 34G10
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### A second-order maximum principle for singular optimal controls with recursive utilities of stochastic delay systems. (English)Zbl 1425.93302

MSC:  93E20 93C15 60H10
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### Backward uniqueness for parabolic operators. (English)Zbl 1477.35090

Ji, Lizhen (ed.) et al., Tsinghua lectures in mathematics. Somerville, MA: International Press; Beijing: Higher Education Press. Adv. Lect. Math. (ALM) 45, 485-500 (2019).

### Timelike minimal submanifolds of Minkowski spaces. (English)Zbl 1428.53075

Ji, Lizhen (ed.) et al., Proceedings of the seventh international congress of Chinese mathematicians, ICCM 2016, Beijing, China, August 2016. Volume II. Somerville, MA: International Press; Beijing: Higher Education Press. Adv. Lect. Math. (ALM) 44, 301-314 (2019).

### Transformation operators for perturbed harmonic oscillators. (English. Russian original)Zbl 1440.34002

Math. Notes 105, No. 5, 728-733 (2019); translation from Mat. Zametki 105, No. 5, 740-746 (2019).
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### Nonlocal integrated solutions for a class of abstract evolution equations. (English)Zbl 07127986

MSC:  47D06 34B10 47H08
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MSC:  49K15
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### Oscillation criteria for second order differential equations with a sub-linear neutral term. (English)Zbl 1427.34093

MSC:  34K11 34K40
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### Boundary-domain integral equations for variable coefficient Dirichlet BVP in 2D unbounded domain. (English)Zbl 1428.35117

Lindahl, Karl-Olof (ed.) et al., Analysis, probability, applications, and computation. Proceedings of the 11th ISAAC congress, Växjö, Sweden, August 14–18, 2017. Cham: Birkhäuser. Trends Math., 481-492 (2019).
MSC:  35J25 35A01 35A02
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