2013; Physical and Mathematical Sciences, 47(1 (230): 3–5
Shared with The Gufo

ON π-EXTENSIONS OF THE SEMIGROUP Z+

E.V. Lipacheva*

Received: 2025-02-18 · Published: 2013-04-10

© 2013 The Author(s) and the original publisher.

CC BY 4.0 This work is licensed under a Creative Commons Attribution 4.0 International License.
Shared article.
Original title
ON π-EXTENSIONS OF THE SEMIGROUP Z+
Author
E.V. Lipacheva
Published
2013-04-10
Licence
Creative Commons Attribution 4.0 International
Original
https://doi.org/10.46991/PYSUA.2013.47.1.003

Abstract

In the paper inverseπ-extensions of the semigroupZ+are studied. It is shownthatπ-extension of the semigroupZ+is inverse, if and only if itsπ-extension coincideswithπ(Z+). The existence of a non-inverseπ-extension for any abelian semigroup isproved.
1 / ? 100% Open in new tab Download Cite

Loading the full text…

Download Follow Updates