Erratum to: Algebras of Ehresmann semigroups and categories

Erratum to: Algebras of Ehresmann semigroups and categories Semigroup Forum (2018) 96:603–607 https://doi.org/10.1007/s00233-017-9895-0 ERRATUM Erratum to: Algebras of Ehresmann semigroups and categories Itamar Stein Received: 4 May 2017 / Accepted: 30 July 2017 / Published online: 21 August 2017 © Springer Science+Business Media, LLC 2017 Erratum to: Semigroup Forum DOI 10.1007/s00233-016-9838-1 Shoufeng Wang discovered an error in the main theorem of the author’s Semigroup Forum article ‘Algebras of Ehresmann semigroups and categories’. Wang observed that the function we suggest as an isomorphism is not a homomorphism unless the semigroup being discussed is left restriction. In order to fix our mistake, we will add this assumption. Note that our revised result is still a generalization of earlier work of Guo and Chen, the author, and Steinberg. 1 A correction to the main theorem of [3] Shoufeng Wang [6] has observed that the proof of [3, Theorem 3.4] does not hold without the additional assumption that the semigroup is left restriction. This Erratum shows how this assumption yields a valid result, and examines the consequences. Theorem 1.5, which is the revision of [3, Theorem 3.4], nevertheless generalizes [5, Theorem 4.2], [2, Theorem 4.2] and [4, Proposition 3.2]. We assume the reader is familiar with [3] and in particular with http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Semigroup Forum Springer Journals

Erratum to: Algebras of Ehresmann semigroups and categories

Loading next page...
 
/lp/springer_journal/erratum-to-algebras-of-ehresmann-semigroups-and-categories-uNcTrhZFW4
Publisher
Springer US
Copyright
Copyright © 2017 by Springer Science+Business Media, LLC
Subject
Mathematics; Algebra
ISSN
0037-1912
eISSN
1432-2137
D.O.I.
10.1007/s00233-017-9895-0
Publisher site
See Article on Publisher Site

Abstract

Semigroup Forum (2018) 96:603–607 https://doi.org/10.1007/s00233-017-9895-0 ERRATUM Erratum to: Algebras of Ehresmann semigroups and categories Itamar Stein Received: 4 May 2017 / Accepted: 30 July 2017 / Published online: 21 August 2017 © Springer Science+Business Media, LLC 2017 Erratum to: Semigroup Forum DOI 10.1007/s00233-016-9838-1 Shoufeng Wang discovered an error in the main theorem of the author’s Semigroup Forum article ‘Algebras of Ehresmann semigroups and categories’. Wang observed that the function we suggest as an isomorphism is not a homomorphism unless the semigroup being discussed is left restriction. In order to fix our mistake, we will add this assumption. Note that our revised result is still a generalization of earlier work of Guo and Chen, the author, and Steinberg. 1 A correction to the main theorem of [3] Shoufeng Wang [6] has observed that the proof of [3, Theorem 3.4] does not hold without the additional assumption that the semigroup is left restriction. This Erratum shows how this assumption yields a valid result, and examines the consequences. Theorem 1.5, which is the revision of [3, Theorem 3.4], nevertheless generalizes [5, Theorem 4.2], [2, Theorem 4.2] and [4, Proposition 3.2]. We assume the reader is familiar with [3] and in particular with

Journal

Semigroup ForumSpringer Journals

Published: Aug 21, 2017

References

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Search

Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly

Organize

Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.

Access

Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve

Freelancer

DeepDyve

Pro

Price

FREE

$49/month
$360/year

Save searches from
Google Scholar,
PubMed

Create lists to
organize your research

Export lists, citations

Read DeepDyve articles

Abstract access only

Unlimited access to over
18 million full-text articles

Print

20 pages / month

PDF Discount

20% off