Lectures on Nehari's Theorem on the Polydisk

Lectures on the Kato square root problem

Lectures on the Routh-Hurwitz problem

Leonhard Euler and a q-analogue of the logarithm

Level Sets of Differentiable Functions of Two Variables with Non-vanishing Gradient

Level Sets of the Takagi Function: Generic Level Sets

Level Sets of the Takagi Function: Local Level Sets

Levy Processes involving Riemann zeta function

Lie families: theory and applications

Lie symmetries of systems of second-order linear ordinary differential equations with constant coefficients

Lie's Reduction Method and Differential Galois Theory in the Complex Analytic Context

Limit cycle bifurcations from a nilpotent focus or center of planar systems

Limit Cycle Bifurcations from Centers of Symmetric Hamiltonian Systems Perturbing by Cubic Polynomials

Limit cycle's uniqueness for second order O.D.E.'s polynomial in $\dot x$

Limit cycles for planar semi-quasi-homogeneous polynomial vector fields

Limit formulas for ratios of derivatives of the gamma and digamma functions at their singularities

Limit formulas for ratios of polygamma functions at their singularities

Limit relations between $q$-Krall type orthogonal polynomials

Limit theorems for radial random walks on pxq-matrices as p tends to infinity

Limiting values of rational functions at the points of discontinuity