Sommaire du Fascicule no. 1

Oscillation of second-order nonlinear difference equations with sublinear neutral term
Behavior of solutions of a second order rational difference equation
Approximation by Zygmund means in variable exponent Lebesque spaces
Transcendental Picard-Mann hybrid Julia and Mandelbrot sets
On location in a half-plane of zeros of perturbed first order entire functions
Strong commutativity preserving derivations on Lie ideals of prime $\Gamma$-rings
Property of growth determined by the spectrum of operator associated to Timoshenko system with memory
On almost topological groups
Upper and lower solutions method for Caputo–Hadamard fractional differential inclusions
On $\mathcal{I}$-Fréchet-Urysohn spaces and sequential $\mathcal{I}$-convergence groups

Sommaire du Fascicule no. 2

A note on q-analogue of Hermite-poly-Bernoulli numbers and polynomials
Existence of positive periodic solutions for third-order nonlinear delay differential equations with variable coefficients
A common fixed point result for two pairs of maps in b-metric spaces without (E.A.)-property
Strong Differential Sandwich Results of $\lambda$-Pseudo-Starlike Functions with Respect to Symmetrical Points
$Z_s$-Contractive Mappings and Weak Compatibility in Fuzzy Metric Space
Some new generalizations for m-convexity via new conformable fractional integral operators
Derivations satisfying certain algebraic identities on Lie ideals
Refinements of Hermite-Hadamard inequality for trigonometrically $\rho$-convex functions
Impulsive fractional differential inclusions with state-dependent delay