**Key Words:**

Secondary modules, Secondary representation, Representable rings and modules, Laskerian rings and modules, Semiperfect rings, Artinian rings, Noetherian spectrum, Compactly packed rings, ^{*}

**Key Words:**

Commutative semigroup, Prime ideal, Maximal ideal, Semiprime ideal, Semiprimary ideal, 2-absorbing ideal

**Key Words:**

Near-ring of polynomials, Zero-divisor graph, Compressed zero-divisor graph, Diameter of graph, Near-ring of formal power series

**Key Words:**

polynomials, s-fold zero, inequality, integral extension

**Key Words:**

Bernstein-Kantorovich operators, Modulus of continuity, Voronovskaya-type asymptotic theorem, Peetre’s K-functional, GBS type operators

**Key Words:**

GQE metrics, Almost contact manifolds, Contact manifolds,

**Key Words:**

Tubular surfaces, Gauss map, pointwise 1-type Gauss map, Pseudo Galilean 3-Space