Contents of CMUC 2021 (4)


Yusuf Alagöz, Sinem Benli, Engin Büyükaşik
Rings whose nonsingular right modules are R-projective
Comment.Math.Univ.Carolin. 62,4 (2021) 393-407 Abstract, Full text(PS, PDF)

Dorota Bród, Anetta Szynal-Liana, Iwona Włoch
Bihyperbolic numbers of the Fibonacci type and their idempotent representation
Comment.Math.Univ.Carolin. 62,4 (2021) 409-416 Abstract, Full text(PS, PDF)

Mohammad B. Dehghani, Seyed M. Moshtaghioun
Limited p-converging operators and relation with some geometric properties of Banach spaces
Comment.Math.Univ.Carolin. 62,4 (2021) 417-430 Abstract, Full text(PS, PDF)

Noufissa Hafidi, Jawad H'michane
Some results on the class of \sigma-unbounded Dunford-Pettis operators
Comment.Math.Univ.Carolin. 62,4 (2021) 431-443 Abstract, Full text(PS, PDF)

Václav Kryštof
Further generalized versions of Ilmanen's lemma on insertion of C^{1,\omega} or C^{1,\omega}_{\text{\rm loc}} functions
Comment.Math.Univ.Carolin. 62,4 (2021) 445-455 Abstract, Full text(PS, PDF)

Stephen Scheinberg
Two remarks on the maximal-ideal space of H^\infty
Comment.Math.Univ.Carolin. 62,4 (2021) 457-459 Abstract, Full text(PS, PDF)

Bertrand Maillot, Christophe Chesneau
Generalized regression estimation for continuous time processes with values in functional spaces
Comment.Math.Univ.Carolin. 62,4 (2021) 461-481 Abstract, Full text(PS, PDF)

Vitalij A. Chatyrko
The (dis)connectedness of products of Hausdorff spaces in the box topology
Comment.Math.Univ.Carolin. 62,4 (2021) 483-489 Abstract, Full text(PS, PDF)

Dimitris N. Georgiou, Athanasios C. Megaritis, Inderasan Naidoo, Fotini Sereti
A study of universal elements in classes of bases of topological spaces
Comment.Math.Univ.Carolin. 62,4 (2021) 491-506 Abstract, Full text(PS, PDF)

Sergei Logunov
On hereditary normality of \omega ^*, Kunen points and character \omega_{1}
Comment.Math.Univ.Carolin. 62,4 (2021) 507-511 Abstract, Full text(PS, PDF)

Ziqin Feng
Seeking a network characterization of Corson compacta
Comment.Math.Univ.Carolin. 62,4 (2021) 513-521 Abstract, Full text(PS, PDF)