Cauchy completeAnother proof of Banaschewski's surjection theorem [Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, 2019, Pages 113-130]
Cauchy filterAnother proof of Banaschewski's surjection theorem [Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, 2019, Pages 113-130]
Cauchy mapAnother proof of Banaschewski's surjection theorem [Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, 2019, Pages 113-130]
Chromatic numberIntersection graphs associated with semigroup acts [Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, 2019, Pages 131-148]
Clique numberIntersection graphs associated with semigroup acts [Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, 2019, Pages 131-148]
Completely regular framesThe function ring functors of pointfree topology revisited [Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, 2019, Pages 19-32]
Congruence latticeA convex combinatorial property of compact sets in the plane and its roots in lattice theory [Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, 2019, Pages 57-92]
F
Frame (locale)Another proof of Banaschewski's surjection theorem [Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, 2019, Pages 113-130]
Frankl's ConjectureFrankl's Conjecture for a subclass of semimodular lattices [Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, 2019, Pages 197-206]
Free objectThe categories of lattice-valued maps, equalities, free objects, and $mathcal C$-reticulation [Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, 2019, Pages 93-112]
G
George A. GrätzerAn interview with George A. Grätzer [Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, 2019, Pages 11-18]
George GrätzerCelebrating Professor George A. Grätzer [Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, 2019, Pages 1-10]
Grätzer--Schmidt TheoremCelebrating Professor George A. Grätzer [Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, 2019, Pages 1-10]
H
Hoehnke radical(r,t)-injectivity in the category $S$-Act [Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, 2019, Pages 169-196]
I
Injectivity(r,t)-injectivity in the category $S$-Act [Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, 2019, Pages 169-196]
InterviewAn interview with George A. Grätzer [Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, 2019, Pages 11-18]
Union-Closed Sets ConjectureFrankl's Conjecture for a subclass of semimodular lattices [Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, 2019, Pages 197-206]