The Distinguishing Number and Distinguishing Chromatic Number for Posets Karen L. CollinsAnn N. Trenk OriginalPaper 18 October 2021 Pages: 361 - 380
Injective Hulls in the Category of Mildly Distributive Semilattices Changchun Xia OriginalPaper 22 October 2021 Pages: 381 - 388
Continuity and Directed Completion of Topological Spaces Zhongxi ZhangFu-Gui ShiQingguo Li OriginalPaper 27 October 2021 Pages: 407 - 420
A Generalization of a Theorem of Erné about the Number of Posets with a Fixed Antichain Frank a Campo OriginalPaper 11 November 2021 Pages: 421 - 434
A Type of Algebraic Structure Related to Sets of Intervals George M. Bergman OriginalPaper 17 November 2021 Pages: 435 - 451
Rainbow Ramsey Problems for the Boolean Lattice Fei-Huang ChangDániel GerbnerMáté Vizer OriginalPaper Open access 11 December 2021 Pages: 453 - 463
Characterization of B0-VPG Cocomparability Graphs and a 2D Visualization of their Posets Sreejith K. PallathumadamDeepak Rajendraprasad OriginalPaper 10 January 2022 Pages: 465 - 484
Idempotents in the Endomorphism Algebra of a Finite Lattice Serge BoucJacques Thévenaz OriginalPaper 11 January 2022 Pages: 485 - 504