Words Restricted by 3-Letter Generalized Multipermutation Patterns

被引：0

作者：

Alexander Burstein

Toufik Mansour

机构：

[1] Department of Mathematics,

[2] Iowa State University,undefined

[3] Ames,undefined

[4] IA 50011-2064,undefined

[5] USA,undefined

[6] burstein@math.iastate.edu ,undefined

[7] Department of Mathematics,undefined

[8] Chalmers Univeristy of Technology,undefined

[9] 412 96 Göteborg,undefined

[10] Sweden,undefined

[11] toufik@math.chalmers.se,undefined

来源：

Annals of Combinatorics | 2003年 / 7卷 / 1期

关键词：

Mathematics Subject Classification2000: 05A05, 05A15¶Key words and phrases: k-ary words, generalized patterns, generating functions;

D O I：

10.1007/s000260300000

中图分类号：

学科分类号：

摘要：

We find exact formulas and/or generating functions for the number of words avoiding 3-letter generalized multipermutation patterns and find which of them are equally avoided.

引用

页码：1 / 14

页数：13

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