Title: | Regularity of powers of binomial edge ideals of complete multipartite graphs (English) |
Author: | Wang, Hong |
Author: | Tang, Zhongming |
Language: | English |
Journal: | Czechoslovak Mathematical Journal |
ISSN: | 0011-4642 (print) |
ISSN: | 1572-9141 (online) |
Volume: | 73 |
Issue: | 3 |
Year: | 2023 |
Pages: | 793-810 |
Summary lang: | English |
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Category: | math |
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Summary: | Let $G=K_{n_1,n_2,\ldots ,n_r}$ be a complete multipartite graph on $[n]$ with $n>r>1$ and $J_G$ being its binomial edge ideal. It is proved that the Castelnuovo-Mumford regularity ${\rm reg}(J^t_G)$ is $2t+1$ for any positive integer $t$. (English) |
Keyword: | Castelnuovo-Mumford regularity |
Keyword: | binomial edge ideal |
Keyword: | multipartite graph |
MSC: | 05E40 |
MSC: | 13D02 |
idZBL: | Zbl 07729538 |
idMR: | MR4632858 |
DOI: | 10.21136/CMJ.2023.0246-22 |
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Date available: | 2023-08-11T14:24:00Z |
Last updated: | 2023-09-13 |
Stable URL: | http://hdl.handle.net/10338.dmlcz/151775 |
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