1

Iterating the Derived Set Function

Higgs, Denis
Journal:
American Mathematical Monthly
Year:
1983
Language:
english
File:
PDF, 545 KB
english, 1983
2

A Catalogue of Combinatorial Geometries

John E. Blackburn, Henry H. Crapo and Denis A. Higgs
Journal:
Mathematics of Computation
Year:
1973
Language:
english
File:
PDF, 1.13 MB
english, 1973
3

Iterating the Derived Set Function

Denis Higgs
Journal:
American Mathematical Monthly
Year:
1983
Language:
english
File:
PDF, 562 KB
english, 1983
5

Injectivity in the Topos of Complete Heyting Algebra Valued Sets

Higgs, Denis
Journal:
Canadian Journal of Mathematics
Year:
1984
Language:
english
File:
PDF, 1.16 MB
english, 1984
6

On Products of Transpositions and Their Graphs

Denis Higgs and Paul de Witte
Journal:
American Mathematical Monthly
Year:
1979
Language:
english
File:
PDF, 664 KB
english, 1979
7

A companion to Grillet's Theorem on maximal chains and antichains

Denis Higgs
Journal:
Order
Year:
1985
Language:
english
File:
PDF, 232 KB
english, 1985
8

On Products of Transpositions and their Graphs

Higgs, Denis, Witte, Paul De
Journal:
American Mathematical Monthly
Year:
1979
Language:
english
File:
PDF, 599 KB
english, 1979
9

Remarks on residually small varieties

Denis Higgs
Journal:
Algebra Universalis
Year:
1971
Language:
english
File:
PDF, 166 KB
english, 1971
10

Iterating the Derived Set Function

Higgs, Denis
Journal:
American Mathematical Monthly
Year:
1983
File:
PDF, 545 KB
1983
11

A universal characterization of [0,∞]

Denis Higgs
Journal:
Indagationes Mathematicae (Proceedings)
Year:
1978
Language:
english
File:
PDF, 484 KB
english, 1978
12

A catalogue of combinatorial geometries

Blackburn, John E., Crapo, Henry H., Higgs, Denis A.
Journal:
Mathematics of Computation
Year:
1973
Language:
english
File:
PDF, 861 KB
english, 1973
13

Σ-Groups as Convergence Groups

Denis Higgs
Journal:
Mathematische Nachrichten
Year:
1988
Language:
english
File:
PDF, 665 KB
english, 1988
15

Constructions of Σ-groups, relatively free Σ-groups

Brunker, Don, Higgs, Denis
Journal:
Journal of the Australian Mathematical Society
Year:
1989
Language:
english
File:
PDF, 756 KB
english, 1989
16

Compactness as a type of injectivity

Wing-Man Chan, Denis Higgs, Bill Lenihan
Journal:
General Topology and its Applications
Year:
1974
Language:
english
File:
PDF, 587 KB
english, 1974
17

Lattices of crosscuts

Denis Higgs
Journal:
Algebra Universalis
Year:
1986
Language:
english
File:
PDF, 564 KB
english, 1986
18

Equicardinality of bases in $B$-matroids

Higgs, Denis
Journal:
Canadian Mathematical Bulletin
Year:
1969
File:
PDF, 94 KB
1969
19

Remarks on duality for Σ-groups: Banach and Hilbert spaces

Denis Higgs
Journal:
Advances in Mathematics
Year:
1989
Language:
english
File:
PDF, 805 KB
english, 1989
20

A Universal Characterization of [0, ∞]

Denis Higgs
Journal:
Indagationes Mathematicae (Proceedings)
Year:
1978
Language:
english
File:
PDF, 451 KB
english, 1978
21

Lattices isomorphic to their ideal lattices

Denis Higgs
Journal:
Algebra Universalis
Year:
1971
Language:
english
File:
PDF, 70 KB
english, 1971
23

Equicardinality of bases in $B$-matroids

Higgs, Denis
Journal:
Canadian Mathematical Bulletin
Year:
1969
Language:
english
File:
PDF, 94 KB
english, 1969