Existence of solutions to a paratingent equation with delayed argument.
Existence of solutions to a second order partial differential equation with nonlocal conditions.
Existence of solutions to a third-order multi-point problem on time scales.
Existence of solutions to anti-periodic boundary value problem for nonlinear fractional differential equations with impulses.
Existence of solutions to boundary value problems for the discrete generalized Emden-Fowler equation.
Existence of solutions to differential inclusions with delayed arguments.
Existence of solutions to differential inclusions with fractional order and impulses.
Existence of solutions to first-order singular and nonsingular initial value problems.
Existence of solutions to fractional mixed integrodifferential equations with nonlocal initial condition.
Existence of solutions to fractional order ordinary and delay differential equations and applications.
Existence of solutions to -th order neutral dynamic equations on time scales.
Existence of solutions to neutral differential equations with deviated argument.
Existence of solutions to nonlinear Langevin equation involving two fractional orders with boundary value conditions.
Existence of solutions to quasilinear functional differential equations.
Existence of solutions to second order ordinary differential equations having finite limits at infinity.
Existence of solutions to third-order -point boundary-value problems.
Existence of square-mean almost periodic mild solutions to some nonautonomous stochastic second-order differential equations.
Existence of symmetric positive solutions for an -point boundary value problem.
Existence of -periodic solutions for a class of lagrangian systems
Existence of the fundamental solution of a second order evolution equation
We give sufficient conditions for the existence of the fundamental solution of a second order evolution equation. The proof is based on stable approximations of an operator A(t) by a sequence of bounded operators.