1987/52/2

On intersections of sets of positive Lebesgue measure

Compacta which are quasi-homeomorphic with a disk

On fixed point theorems for multifunctions in dendroids

Topological semigroups and Kirk's question

Homeomorphisms of the sphere and a generalization of the Whyburn conjecture for compact connected manifolds with boundary

On Ricci-recurrent manifolds

Recent developments in the theory of Haar series

On subspaces of locally convex spaces with unconditional Schauder bases

A remark on E. Green's paper "Completeness of ${\displaystyle L^p}$-spaces over finitely additive set functions''

On isometric domains of positive operators on ${\displaystyle L^p}$-spaces

The filling scheme and the ergodic theorems of Kesten and Tanny

Most Markov operators on C(X) are quasi-compact and uniquely ergodic

On a theorem of H. P. Lotz on quasi-compactness of Markov operators

N-step nilpotent Lie groups with flat Kirillov orbits

${\displaystyle C^k}$-estimates for the Cauchy-Riemann equations on certain weakly pseudoconvex domains

On the stationary solutions of Burgers' equation

On a Staffans type inequality for vector Volterra integro-differential equations

Prime numbers such that the sums of the divisors of their powers are perfect power numbers