Sommaire

Jan Pelant (18.2.1950–11.4.2005)
p. 1-8
Diagonal reductions of matrices over exchange ideals
p. 9-18
Circuit and cocircuit partitions of binary matroids
p. 19-25
On sandwich sets and congruences on regular semigroups
p. 27-46
Holland’s theorem for pseudo-effect algebras
p. 47-59
Invariant subspaces of $X^{**}$ under the action of biconjugates
p. 61-77
On a homogeneity condition for $MV$-algebras
p. 79-98
Weak edge-degree domination in hypergraphs
p. 99-108
Isotype knice subgroups of global Warfield groups
p. 109-132
The ordering of commutative terms
p. 133-154
Extensions of partially ordered partial abelian monoids
p. 155-178
Removable singularities for weighted Bergman spaces
p. 179-227
On signed distance-$k$-domination in graphs
p. 229-238
$k$-systems, $k$-networks and $k$-covers
p. 239-245
On positive solutions for a nonlinear boundary value problem with impulse
p. 247-265
4-dimensional anti-Kähler manifolds and Weyl curvature
p. 267-271