Approximation in C^N
Approximation of classes of analytic functions by de la Vallee Poussin sums in uniform metric
Approximation of fractional integrals by means of derivatives
Approximation of functions from Lp(w)b by matrix means of their Fourier series
Approximation of functions of two variables by certain linear positive operators
Approximation of Holder continuous homeomorphisms by piecewise affine homeomorphisms
Approximation of smooth functions on compact two-point homogeneous spaces
Approximation orders of shift-invariant subspaces of $W^s_2({\Bbb R}^d)$
Approximation schemes satisfying Shapiro's Theorem
Approximation using scattered shifts of a multivariate function
Approximations of Set-Valued Functions by Metric Linear Operators
Approximations to -, di- and tri- logarithms
Area Littlewood-Paley functions associated with Hermite and Laguerre operators
Arguments of zeros of highly log concave polynomials
Arithmetic progressions in sets of fractional dimension
Around Poisson--Mehler summation formula
Askey--Wilson Integral and its Generalizations
Aspects of stable polynomials
Aspectual Principle, Benford's Law and Russell's Paradox
Associated and quasi associated homogeneous distributions (generalized functions)