演讲 发表于 2025-3-23 13:08:03
Allgemeine Grundlagen der Schneidenbildung,Speaking very generally, many finitary combinatorial objects are . in some orderly manner from smaller objects of the same type. For instance, the Cartesian product . of two finite sets . and . is a simple example of stitching together smaller objects to make a larger object of the same type.他姓手中拿着 发表于 2025-3-23 17:54:07
Allgemeine Grundlagen der Schneidenbildung,The German mathematician Walther Franz Anton von Dyck (1856–1934) studied words in . for . with the property that the -count is at all times greater than or equal to the -count, that is, for which.for all .. Those words have since become known as ..Transfusion 发表于 2025-3-23 18:52:35
Allgemeine Grundlagen der Schneidenbildung,The most important special case of Dyck words comes when . so that the words have the same number of dominant and nondominant letters. A slight variation on these Dyck words is . , which we also define here for completeness.opprobrious 发表于 2025-3-23 23:09:33
Allgemeine Grundlagen der Schneidenbildung,We begin our examination of the types of objects that are counted by the Catalan numbers with paths, because the work has already been done.Fracture 发表于 2025-3-24 04:47:12
http://reply.papertrans.cn/16/1552/155164/155164_15.png蘑菇 发表于 2025-3-24 08:45:01
http://reply.papertrans.cn/16/1552/155164/155164_16.pngFoam-Cells 发表于 2025-3-24 11:00:14
https://doi.org/10.1007/978-3-663-16371-8Catalan numbers count the number of . of the set [.].修剪过的树篱 发表于 2025-3-24 16:42:09
http://reply.papertrans.cn/16/1552/155164/155164_18.pnghomocysteine 发表于 2025-3-24 20:56:33
https://doi.org/10.1007/978-3-663-07039-9(The Appendix of this book contains a brief introduction to the subject of partial orders for those who are interested.)哺乳动物 发表于 2025-3-25 01:59:02
Introduction,Speaking very generally, many finitary combinatorial objects are . in some orderly manner from smaller objects of the same type. For instance, the Cartesian product . of two finite sets . and . is a simple example of stitching together smaller objects to make a larger object of the same type.