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The unique solvability of a certain nonlocal nonlinear problem with a spatial operator strongly monotone with respect to the gradientWe consider a nonlinear degenerate parabolic equation whose spatial operator depends on a nonlocal

On the stress state of thin-walled isotropic building constructions of the shell type. The stress-strain state of shell constructions is described by a system of the five equilibrium equations

Differentiability of solutions to the neumann problem with low-regularity data via dynamical systems system that is derived from the coefficients of the elliptic equation. © Springer International

Bi-Variationality, Symmetries and Approximate SolutionsBy a bi-variational system we mean any system of equations generated by two different Hamiltonian

Mean-field approximation for large-scale transport networks with a small parameter, construction and operation of such systems. The transportation problem can be solved by simplex method

Solution of the Goursat problem for a fourth-order hyperbolic equation with singular coefficients by the method of transmutation operators of the Goursat problem for a fourth-order hyperbolic equation with a singular Bessel operator

Spin 3/2 Particle in the Presence of Magnetic Field: Tetrad Formalism and Fedorov-Gronskiy Method result we derive the system of 16 first order differential equations in the variable r. To resolve

On Connection between Variationality of a Six-Order Ordinary Differential Equation and Hamilton–Ostrogradskii Equations equation in the form ofHamilton–Ostrogradskii equations. For this purpose, potentialityconditions

Massless spin 2 particle: cylindrical symmetry, projective operators, gauge degrees of freedom of linear momentum, we derive the system of 39 differen - tial equations in a polar coordinate r. In order

On the existence of a variational principle for an operator equation with second derivative with respect to "time"Using methods of nonlinear functional analysis, we define the structure of an evolution operator

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