Opuscula Mathematica

On a robin (p, q)-equation with a logistic reaction

Difference equations with impulses

Controllability of degenerate and singular parabolic problems: the double strong case with Neumann boundary conditions

Oscillatory results for second-order noncanonical delay differential equations

The existence of consensus of a leader-following problem with Caputo fractional derivative

Existence results and a priori estimates for solutions of quasilinear problems with gradient terms

Existence and multiplicity results for quasilinear equations in the Heisenberg group

General multiplicative Zagreb indices of graphs with given clique number

Oscillations of equations caused by several deviating arguments

Dynamic system with random structure for modeling security and risk management in cyberspace

On unique solvability of a Dirichlet problem with nonlinearity depending on the derivative

Global well-posedness of a class of fourth-order strongly damped nonlinear wave equations

The complexity of open k-monopolies in graphs for negative k

On 1-rotational decompositions of complete graphs into tripartite graphs

Oscillation criteria for even order neutral difference equations

Applications of PDEs Inpainting to Magnetic Particle Imaging and Corneal Topography

On properties of minimizers of a control problem with time-distributed functional related to parabolic equations

On the imaginary part of coupling resonance points

Direct and inverse spectral problems for Dirac systems with nonlocal potentials

Description of the scattering data for Sturm-Liouville operators on the half-line

Extremal length and Dirichlet problem on Klein surfaces

Boundary value problems with solutions in convex sets

Decomposing complete 3-uniform hypergraph K_{n}^{(3)} into 7-cycles

The intersection graph of annihilator submodules of a module

On the convergence of solutions to second-order neutral difference equations

A partial refining of the Erdős-Kelly regulation

Infinitely many solutions for some nonlinear supercritical problems with break of symmetry

On existence and global attractivity of periodic solutions of nonlinear delay differential equations

Remarks on global solutions to the initial-boundary value problem for quasilinear degenerate parabolic equations with a nonlinear source term

Positive solutions for the one-dimensional p-Laplacian with nonlinear boundary conditions

Oscillatory criteria for second order differential equations with several sublinear neutral terms

Lightweight paths in graphs