Sommaire du Fascicule no. 1

Homotopy extension property for multi-valued functions
Convergence analysis for Suzuki's generalized nonexpansive mappings
The Tribonacci-type balancing numbers and their applications
New fixed figure results with the notion of k-ellipse
Frames generated by double sequences in Hilbert spaces
New fixed-circle results on fuzzy metric spaces with an application to dynamic market equilibrium
Fixed point theorems in complex valued b-metric spaces
On approximation properties of functions by means of Fourier and Faber series in weighted Lebesgue spaces with variable exponent
Ideal convergence and ideal Cauchy sequences in intuitionistic fuzzy metric spaces

Sommaire du Fascicule no. 2

Nonlinear contractions and Caputo tempered impulsive implicit fractional differential equations in b-metric spaces
Blow-up phenomena for a p(x)-biharmonic heat equation with variable exponent
Fixed and coincidence point theorems on partial metric spaces with an application
A Study on lung cancer using nabla discrete fractional-order model
Suspension bridge model with laminated beam
Graph polynomials associated with Dyson–Schwinger equations
On the bi-periodic Padovan sequences
$k-$regular decomposable incidence structure of maximum degree