Smooth multiparameter perturbation of polynomials and operators

Smooth roots of hyperbolic polynomials with definable coefficients

Smooth solutions of quasianalytic or ultraholomorphic equations

Smoothness of Extremizers of a Convolution Inequality

Smoothness of functions global and along curves over ultra-metric fields

Smoothness of sets in Euclidean spaces

Smoothness of the Beurling transform in Lipschitz domains

Sobolev orthogonal polynomials defined via gradient on the unit ball

Sobolev orthogonal polynomials on a simplex

Sobolev orthogonal polynomials: balance and asymptotics

Sobolev space estimates for a class of bilinear pseudodifferential operators lacking symbolic calculus

Sobolev spaces on multiple cones

Sobolev Trace Inequalities

Sobolev-type functions on metric spaces: area and co-area formulas by way of Luzin, Rado, and Reichelderfer

Software for the Algorithmic Work with Orthogonal Polynomials and Special Functions

Solar structure in terms of Gauss' hypergeometric function

Solution of generalized fractional reaction-diffusion equations

Solution to Rubel's question about differentially algebraic dependence on initial values

Solutions for one class of nonlinear fourth-order partial differential equations

Solutions of certain fractional kinetic equations and a fractional diffusion equation