Better quasi-orders for uncountable cardinals

Ordering by Divisibility in Abstract Algebras

Graham Higman · Proceedings of the London Mathematical Society · 1952 · 1.1K citations

Natural Sciences, Mathematics, Algebra +2

Well-quasi-ordering, the Tree Theorem, and Vazsonyi’s conjecture

Joseph B. Kruskal · Transactions of the American Mathematical Society · 1960 · 455 citations · Full text

Natural Sciences, Mathematics, Discrete Mathematics +5

The theory of well-quasi-ordering: A frequently discovered concept

Joseph B. Kruskal · Journal of Combinatorial Theory Series A · 1972 · 336 citations

Natural Sciences, Mathematics, Physics +5

On well-quasi-ordering finite trees

C. St. J. A. Nash‐Williams · Mathematical Proceedings of the Cambridge Philosophical Society · 1963 · 313 citations

Natural Sciences, Mathematics, Combinatorics +2

On Fraisse's Order Type Conjecture

Richard Laver · Annals of Mathematics · 1971 · 174 citations

Natural Sciences, Mathematics, Discrete Mathematics +4