海量图书期刊资源,随时随地畅享阅读乐趣
A structure theory for ordered setsDwight Duffus; Ivan Rival · 1981
Separable subsets of a finite latticeDwight Duffus; Ivan Rival · 1978
Lexicographic matchings cannot form Hamiltonian cyclesDwight Duffus; Bill Sands; Robert Woodrow · 1988
Powers of ordered setsDwight Duffus · 1984
Enumeration of order preserving mapsDwight Duffus; Vojtech Rodl; Bill Sands; Robert Woodrow · 1992
Unsolved problemsDwight Duffus · 1985
Automorphisms and products of ordered setsDwight Duffus · Algebra Universalis · 1984