Sommaire

In memory of Josef Král
p. 1063-1083
On left $C$-$\scr U$-liberal semigroups
p. 1085-1108
A note on the diophantine equation $x^2+b^Y=c^z$
p. 1109-1116
On the maximal subgroup of the sandwich semigroup of generalized circulant Boolean matrices
p. 1117-1129
Non-holonomic $(r,s,q)$-jets
p. 1131-1145
Operators of Hankel type
p. 1147-1163
Steady state coexistence solutions of reaction-diffusion competition models
p. 1165-1183
Invertible commutativity preservers of matrices over max algebra
p. 1185-1192
Pasting topological spaces at one point
p. 1193-1206
On the Laplacian energy of a graph
p. 1207-1213
Weak homogeneity and Pierce’s theorem for $MV$-algebras
p. 1215-1227
Samuel compactification and uniform coreflection of nearness $\sigma$-frames
p. 1229-1241
Nodal solutions for a second-order $m$-point boundary value problem
p. 1243-1263
On totally $\ast$-paranormal operators
p. 1265-1280
A constructive method to determine the variety of filiform Lie algebras
p. 1281-1299
Clifford-Hermite-monogenic operators
p. 1301-1322
On the existence of prolongation of connections
p. 1323-1334