Contents of CMUC 2021 (1)

Abdelmalek Azizi, Mohamed Mahmoud Chems-Eddin, Abdelkader Zekhnini
On some imaginary triquadratic number fields k with {\rm Cl}_2(k) \simeq (2, 4) or (2, 2, 2)
Comment.Math.Univ.Carolin. 62,1 (2021) 1-14 Abstract, Full text(PS, PDF)

Ismael Calomino, Sergio Celani
\alpha-filters and \alpha-order-ideals in distributive quasicomplemented semilattices
Comment.Math.Univ.Carolin. 62,1 (2021) 15-32 Abstract, Full text(PS, PDF)

Behnam Ebrahimzadeh, Alireza K. Asboei
A characterization of symplectic groups related to Fermat primes
Comment.Math.Univ.Carolin. 62,1 (2021) 33-40 Abstract, Full text(PS, PDF)

Mario Petrich
Bases for certain varieties of completely regular semigroups
Comment.Math.Univ.Carolin. 62,1 (2021) 41-65 Abstract, Full text(PS, PDF)

Slimane Hassaine, Fatiha Boulahia
Extreme points of the Besicovitch-Orlicz space of almost periodic functions equipped with the Luxemburg norm
Comment.Math.Univ.Carolin. 62,1 (2021) 67-79 Abstract, Full text(PS, PDF)

Dušan Pokorný, Luděk Zajíček
Remarks on WDC sets
Comment.Math.Univ.Carolin. 62,1 (2021) 81-94 Abstract, Full text(PS, PDF)

Richard N. Ball
Structural aspects of truncated archimedean vector lattices: good sequences, simple elements
Comment.Math.Univ.Carolin. 62,1 (2021) 95-134 Abstract, Full text(PS, PDF)