Disconjugacy of a second order linear differential equation and periodic solutions

Discontinuous functional differential equations with delayed or advanced arguments

Discontinuous Sturm-Liouville type problems

Discreet Solutions for Matrix Systems in Partial Derivatives Hyperbolic and Singular

Discrepancy of LS-sequences of partitions

Discrete analogues in harmonic analysis: Spherical averages

Discrete analogues of the Laguerre inequalities and a conjecture of I. Krasikov

Discrete Asymptotic Behaviors for Skew-Evolution Semiflows on Banach Spaces

Discrete bispectral Darboux transformations from Jacobi operators

Discrete Darboux transformation for discrete polynomials of hypergeometric type

Discrete entropies of orthogonal polynomials

Discrete Fourier analysis on fundamental domain of $A_d$ lattice and on simplex in $d$-variables

Discrete Fourier restriction associated with KdV equations

Discrete Fourier restriction associated with Schrodinger equations

Discrete fractional Calculus and Inequalities

Discrete fractional Radon transforms and quadratic forms

Discrete Ingham type inequalities with a weakened gap condition

Discrete L'Hospital's rule

Discrete Laguerre-Sobolev expansions: A Cohen type inequality

Discrete Linear Interpolatory Operators