## Found 37 Documents (Results 1–37)

100
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### Nonuniqueness of solution for initial value problems of impulsive Hilfer fractional differential equations. (English)Zbl 07376692

MSC:  34A08 34A37 34A12
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### Erratum to: “A singular differential equation stemming from an optimal control problem in financial economics”. (English)Zbl 1418.34023

MSC:  34A12 91B26 49N90
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### Outperforming the market portfolio with a given probability. (English)Zbl 1259.60072

Reviewer: Jan Obloj (Oxford)
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### Nonuniqueness of solutions to semilinear parabolic equations with singular coefficients. (English)Zbl 1259.35123

MSC:  35K58 35K65 34A12
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MSC:  34A12
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### The use of Lyapunov functions in uniqueness and nonuniqueness theorems. (English)Zbl 1090.34503

MSC:  34A12 34A34
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MSC:  34A12
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### Sections of sets of nonuniqueness points of first-order ordinary differential equations. (English. Russian original)Zbl 0938.34003

Differ. Equations 35, No. 3, 304-309 (1999); translation from Differ. Uravn. 35, No. 3, 304-309 (1999).
MSC:  34A12

### Nonuniqueness results for ordinary differential equations. (English)Zbl 0957.34004

Reviewer: M.Tvrdý (Praha)
MSC:  34A12
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### Nonuniqueness of solutions to Cauchy problems for ordinary differential equations with a parameter. (English. Russian original)Zbl 0953.34004

Differ. Equations 34, No. 12, 1718-1720 (1998); translation from Differ. Uravn. 34, No. 12, 1708-1710 (1998).
MSC:  34A12

### Structure of the set of all anti-periodic solutions for some nonlinear evolution equations. (English)Zbl 0914.35071

Sunada, Toshikazu (ed.) et al., Functional analysis and global analysis. Proceedings of the conference, Manila, Philippines, October 20–26, 1996. Singapore: Springer. 258-262 (1998).

MSC:  34A12
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### Radial solutions of equations and inequalities involving the $$p$$-Laplacian. (English)Zbl 0883.34024

MSC:  34B15 34C11 35J05
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### Singular Cauchy problems for singularly perturbed systems of nonlinear ordinary differential equations. I. (English. Russian original)Zbl 0874.34007

Differ. Equations 32, No. 1, 54-63 (1996); translation from Differ. Uravn. 32, No. 1, 52-61 (1996).
MSC:  34A34 34B15

### Some properties of solutions for a nonlinear diffusion system. I. (English)Zbl 0879.35068

MSC:  35K45 35B05 35K55 92D25 35A05

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### Uniqueness and nonuniqueness of positive solutions for a semilinear elliptic equation in $$\mathbb{R}^ n$$. (English)Zbl 0823.35052

MSC:  35J60 35B40 35P30

### Uniqueness and nonuniqueness results for ordinary differential equations. (English)Zbl 0882.34003

Bainov, Drumi (ed.) et al., Proceedings of the 5th international colloquium on differential equations, Plovdiv, Bulgaria, August 18–23, 1994. Invited lectures and short communications. Vol. 2. Singapore: SCT Publishing, 140-147 (1995).
MSC:  34A12

### The characteristic Cauchy problem with singular data. Uniqueness and nonuniqueness of solutions. (Problème de Cauchy caractéristique à données singulières. Unicité et non unicité de la solution.) (French)Zbl 0813.35011

MSC:  35C05 35A20 35A07
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### Uniqueness and nonuniqueness criteria for ordinary differential equations. (English)Zbl 0785.34003

Series in Real Analysis. 6. Singapore: World Scientific. xi, 312 p. (1993).

MSC:  34A12
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### Travelling waves and finite propagation in a reaction-diffusion equation. (English)Zbl 0784.35045

MSC:  35K55 35K57 35K15
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### Some examples of nonuniqueness of solutions to the equation of linear elastodynamics. (English)Zbl 0622.73003

Reviewer: S.Minagawa
MSC:  74Axx 74G30 74H25 35A05
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### Uniqueness, nonuniqueness and related questions of noninear elliptic and parabolic equations. (English)Zbl 0631.35028

Nonlinear functional analysis and its applications, Proc. Summer Res. Inst., Berkeley/Calif. 1983, Proc. Symp. Pure Math. 45/2, 229-241 (1986).
Reviewer: S.Salsa
MSC:  35J60 35K55 35R35 35B35 35B40 35A05

### Nonuniqueness of admissible solutions of Riemann initial value problems for a system of conservation laws of mixed type. (English)Zbl 0613.35048

Reviewer: J.Walter
MSC:  35L65 35M99 35A05 35B40 35L67
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### Singular behavior in nonlinear parabolic equations. (English)Zbl 0573.35046

Reviewer: O.John
MSC:  35K55 35A05 35J60 35R25
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### Solvability of some asymptotically homogeneous elliptic problems. (English)Zbl 0565.35036

Partial differential equations, Miniconf. Canberra 1981, Proc. Cent. Math. Anal. Aust. Natl. Univ. 1, 106-111 (1982).
Reviewer: R.Landes
MSC:  35J60 35B30 35A05

### Nonuniqueness criteria for ordinary differential equations. (English)Zbl 0464.34005

MSC:  34A12 34A30
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### The wave operator and P-convexity. (English)Zbl 0479.35024

MSC:  35E10 35L05 35A05 35D05

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MSC:  34A12
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### Nonuniqueness of solutions of a first-order differential equation. (English)Zbl 0411.34059

MSC:  37-XX 34A12

MSC:  34A12

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