Smooth numbers and the norms of arithmetic Dirichlet convolutions.

An extension of a result of Lehmer on numbers coprime to n

The lesser-known Delta-function in number theory

Links between $\Delta(x,N)=\sum\Sb n\leq xN\\(n,N)=1\endSb 1-x\phi(N)$ and character sums.

Calculating a determinant associated with multiplicative functions.

$L\sp 2$ expansions in series of fractional parts.

A note on a result of Bateman and Chowla

A number theoretic estimate of Davenport from a functional analytic viewpoint

Extremal values of $\Delta(x,N)=\sum\sb {n<xN,\,(n,N)=1}1-x\phi(N)$

Two problems related to the non-vanishing of $L(1,\chi)$

On Elliott's theorem on multiplicative functions

Implementation of probabilistic tests of primality

A note on Ramanujan coefficients of arithmetical functions

On the uniform distribution (mod 1) of the Farey fractions and lP spaces

On the properties of oscillation and almost periodicity of certain convolutions

On the $B\sp \lambda$ almost periodic behaviour of certain arithmetical convolutions

A note on Euler's φ{symbol}-function

Some properties of the local discrepancy of Farey sequences

On the almost-periodic behavior of the remainder term of a certain class of strongly multiplicative functions.