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Language : aragonese Language : czech Language : dzongkha Language : english Language : ganda Language : igbo Language : italian Language : nauru Language : tibetan Language : uzbek Publisher : university of szeged

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Academic Journal

Existence of nodal solutions to some nonlinear boundary value problems for ordinary differential equations of fourth order

Authors : Ziyatkhan Aliyev; Yagut Aliyeva

Subjects: nonlinear problem; eigenvalue parameter; bifurcation point

Source: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2024, Iss 25, Pp 1-13 (2024)

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Academic Journal

Tightening Poincaré–Bendixson theory after counting separately the fixed points on the boundary and interior of a planar region

Authors : Pouria Ramazi; Ming Cao; Jacquelien Scherpen

Subjects: poincaré–bendixson theory; planar vector field; limit set

Source: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2024, Iss 29, Pp 1-9 (2024)

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Academic Journal

Schrödinger–Hardy system without the Ambrosetti–Rabinowitz condition on Carnot groups

Authors : Wenjing Chen; Fang Yu

Subjects: schrödinger–hardy system; without ambrosetti–rabinowitz condition; carnot groups

Source: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2024, Iss 23, Pp 1-21 (2024)

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Academic Journal

On the existence of patterns in reaction-diffusion problems with Dirichlet boundary conditions

Authors : Maicon Sônego

Subjects: patterns; dirichlet boundary conditions; surface of revolution

Source: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2024, Iss 30, Pp 1-14 (2024)

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Academic Journal

Well-posedness and controllability of a nonlinear system for surface waves

Authors : Alex Montes; Ricardo Córdoba

Subjects: nonlinear system; water waves; well-posedness

Source: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2024, Iss 31, Pp 1-40 (2024)

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Academic Journal

Existence of solution for a generalized Schrödinger–Poisson system via bifurcation theory

Authors : Ricardo Alves

Subjects: bifurcation theory; positive solutions; schrödinger–poisson system

Source: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2024, Iss 24, Pp 1-17 (2024)

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Academic Journal

Heteroclinic solutions in singularly perturbed discontinuous differential equations: a non-generic case

Authors : Flaviano Battelli; Michal Fečkan; JinRong Wang

Subjects: discontinuous differential equations; heteroclinic solutions; melnikov conditions

Source: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2024, Iss 27, Pp 1-30 (2024)

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Academic Journal

Fully nonlinear degenerate equations with applications to Grad equations

Authors : Priyank Oza

Subjects: fully nonlinear degenerate elliptic equations; viscosity solution; pucci's extremal operator

Source: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2024, Iss 26, Pp 1-13 (2024)

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Academic Journal

A remark on energy balance of the Navier–Stokes equations

Authors : Fan Wu

Subjects: navier–stokes equations; energy equality; distributional solutions

Source: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2024, Iss 28, Pp 1-7 (2024)

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Academic Journal

Family of quadratic differential systems with invariant parabolas: a complete classification in the space ${\mathbb R}^{12}$

Authors : Nicolae Vulpe

Subjects: quadratic vector fields; affine invariant polynomials; invariant algebraic curve

Source: Electronic Journal of Qualitative Theory of Differential Equations, Vol 2024, Iss 22, Pp 1-68 (2024)

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