Sommaire

Cardinal Invariants for Commutative Group Algebras
On a Generalization of Normal, Almost Normal and Mildly Normal Spaces
One Observation on (n,m)–Semigroups
Fixed Point Theorems for Two Pairs of Nonself Mappings in Metrically Convex Spaces by Altering Distances
Fixed Point Theorems in Banach Spaces Over Topological Semifields
Intuitionistic Fuzzy Strongly Preopen (Preclosed) Mappings
A Common Fixed Point Theorem for Multivalued Mappings Through T-weak Commutativity
A Theorem About Uniformly Converging Progressions of Constructive Functions
Fixed Point Theorems for Hybrid Mappings in Metric Spaces
Distributive Lattices and Hurewicz families
On Super-Associative Algebras with (2m,m)−Quasigroup Operations for $m \geq 2$
n−Groups $(n > 3)$ as Algebras of the Type $\langle n, n − 2, n − 2 \rangle$ With Four Laws
(n,m)−Groups in the Light of the Neutral Operations
A Survey of NP−Polyagroups