Geodesic

Sommaire du Fascicule no. 1

Linear operator identities in quasigroups
p. 1-9
On power integral bases for certain pure number fields defined by $x^{18}-m$
p. 11-19
On the probability that two elements of a finite semigroup have the same right matrix
p. 21-31
On prime labeling of union of tadpole graphs
p. 33-50
Analysis of periodic solutions for nonlinear coupled integro-differential systems with variable delays
p. 51-68
On the asymptotics of counting functions for Ahlfors regular sets
p. 69-119
Preservation of properties of a map by forcing
p. 121-129
On non-normality points, Tychonoff products and Suslin number
p. 131-134

Sommaire du Fascicule no. 2

On FI-mono-retractable modules
p. 135-143
Self-small products of abelian groups
p. 145-157
A Marchaud type inequality
p. 159-167
On Beurling measure algebras
p. 169-187
Totally Brown subsets of the Golomb space and the Kirch space
p. 189-219
Three small results on normal first countable linearly H-closed spaces
p. 221-228
On subcompactness and countable subcompactness of metrizable spaces in ZF
p. 229-244
$C^*$-points vs $P$-points and $P^\flat$-points
p. 245-259
Selectors of discrete coarse spaces
p. 261-267

Sommaire du Fascicule no. 3

Mersenne numbers as a difference of two Lucas numbers
p. 269-276
On Leibniz algebras with maximal cyclic subalgebras
p. 277-294
Order intervals in $C(K)$. Compactness, coincidence of topologies, metrizability
p. 295-306
Some results on derangement polynomials
p. 307-313
Counterexamples to Hedetniemi's conjecture and infinite Boolean lattices
p. 315-327
The common division topology on $\mathbb{N}$
p. 329-349
Hyperspace selections avoiding points
p. 351-364
The category of compactifications and its coreflections
p. 365-378
On butterfly-points in $\beta X$, Tychonoff products and weak Lindelöf numbers
p. 379-383
Exponential separability is preserved by some products
p. 385-395

Sommaire du Fascicule no. 4

Degree polynomial for vertices in a graph and its behavior under graph operations
p. 397-413
Mal'tsev--Neumann products of semi-simple classes of rings
p. 415-421
Hyperplanes in matroids and the axiom of choice
p. 423-441
On the recognizability of some projective general linear groups by the prime graph
p. 443-458
On the class of order almost L-weakly compact operators
p. 459-471
Some isomorphic properties in projective tensor products
p. 473-485
On sets of discontinuities of functions continuous on all lines
p. 487-505
On Szymański theorem on hereditary normality of $\beta\omega$
p. 507-512
Quasicontinuous spaces
p. 513-526