论文标题
在井井有条的笛卡尔产品上
On the cartesian product of well-orderings
论文作者
论文摘要
井部分排序(WPO)的宽度是其抗逆金的序数等级。我们计算以有限的许多井井有条的笛卡尔产品获得的WPO的宽度。
The width of a well partial ordering (wpo) is the ordinal rank of the set of its antichains ordered by inclusion. We compute the width of wpos obtained as cartesian products of finitely many well-orderings.