A formula for the number of weak endomorphisms on paths
A weak endomorphisms of a graph is a mapping on the vertex set of the graph which preserves or contracts edges. In this paper we provide a formula to determine the cardinalities of weak endomorphism monoids of finite undirected paths.
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| Date: | 2018 |
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| Main Authors: | , |
| Format: | Article |
| Language: | English |
| Published: |
Інститут прикладної математики і механіки НАН України
2018
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| Series: | Algebra and Discrete Mathematics |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/188413 |
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| Journal Title: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Cite this: | A formula for the number of weak endomorphisms on paths / U. Knauer, N. Pipattanajinda // Algebra and Discrete Mathematics. — 2018. — Vol. 26, № 2. — С. 270–279. — Бібліогр.: 5 назв. — англ. |