2025-02-23T07:07:54-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: Query fl=%2A&wt=json&json.nl=arrarr&q=id%3A%22oai%3Aojs.admjournal.luguniv.edu.ua%3Aarticle-911%22&qt=morelikethis&rows=5
2025-02-23T07:07:54-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: => GET http://localhost:8983/solr/biblio/select?fl=%2A&wt=json&json.nl=arrarr&q=id%3A%22oai%3Aojs.admjournal.luguniv.edu.ua%3Aarticle-911%22&qt=morelikethis&rows=5
2025-02-23T07:07:54-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: <= 200 OK
2025-02-23T07:07:54-05:00 DEBUG: Deserialized SOLR response
Nilpotent subsemigroups of a semigroup of order-decreasing transformations of a rooted tree

Nilpotent subsemigroups of a semigroup of order-decreasing transformations of a rooted tree

This paper deals with a semigroup of order-decreasing transformations of a rooted tree.  Such are the transformations \(\alpha\) of some rooted tree \(G\) satisfying following condition: for any \(x\) from \(G\) \(\alpha(x)\) belongs to a simple path from \(x\) to the root vertex of \(G\). We descri...

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Bibliographic Details
Main Author: Stronska, Anna
Format: Article
Language:English
Published: Lugansk National Taras Shevchenko University 2018
Subjects:
semigroup
order-decreasing
non-isomorphic
20M20
Online Access:https://admjournal.luguniv.edu.ua/index.php/adm/article/view/911
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2025-02-23T07:07:54-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: Query fl=%2A&rows=40&rows=5&wt=json&json.nl=arrarr&q=id%3A%22oai%3Aojs.admjournal.luguniv.edu.ua%3Aarticle-911%22&qt=morelikethis
2025-02-23T07:07:54-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: => GET http://localhost:8983/solr/biblio/select?fl=%2A&rows=40&rows=5&wt=json&json.nl=arrarr&q=id%3A%22oai%3Aojs.admjournal.luguniv.edu.ua%3Aarticle-911%22&qt=morelikethis
2025-02-23T07:07:54-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: <= 200 OK
2025-02-23T07:07:54-05:00 DEBUG: Deserialized SOLR response

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