ON SELF-EXTENSIONS OF IRREDUCIBLE MODULES OVER SYMMETRIC GROUPS

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Haralampos Geranios
  • Alexander Kleshchev
  • Lucia Morotti

External Research Organisations

  • Univ. York, Dep. Comput. Sci., Non-Stand. Comput. Group
  • University of Oregon
View graph of relations

Details

Original languageEnglish
Pages (from-to)2627-2676
Number of pages50
JournalTransactions of the American Mathematical Society
Volume375
Issue number4
Early online date20 Jan 2022
Publication statusPublished - Apr 2022

Abstract

A conjecture going back to the eighties claims that there are no non-trivial self-extensions of irreducible modules over symmetric groups if the characteristic of the ground field is not equal to 2. We obtain some partial positive results on this conjecture.

ASJC Scopus subject areas

Cite this

ON SELF-EXTENSIONS OF IRREDUCIBLE MODULES OVER SYMMETRIC GROUPS. / Geranios, Haralampos; Kleshchev, Alexander; Morotti, Lucia.
In: Transactions of the American Mathematical Society, Vol. 375, No. 4, 04.2022, p. 2627-2676.

Research output: Contribution to journalArticleResearchpeer review

Geranios H, Kleshchev A, Morotti L. ON SELF-EXTENSIONS OF IRREDUCIBLE MODULES OVER SYMMETRIC GROUPS. Transactions of the American Mathematical Society. 2022 Apr;375(4):2627-2676. Epub 2022 Jan 20. doi: 10.48550/arXiv.2006.12961, 10.1090/tran/8566
Geranios, Haralampos ; Kleshchev, Alexander ; Morotti, Lucia. / ON SELF-EXTENSIONS OF IRREDUCIBLE MODULES OVER SYMMETRIC GROUPS. In: Transactions of the American Mathematical Society. 2022 ; Vol. 375, No. 4. pp. 2627-2676.
Download
@article{0d3a8fa844c04a0fbb5663e854c115f3,
title = "ON SELF-EXTENSIONS OF IRREDUCIBLE MODULES OVER SYMMETRIC GROUPS",
abstract = "A conjecture going back to the eighties claims that there are no non-trivial self-extensions of irreducible modules over symmetric groups if the characteristic of the ground field is not equal to 2. We obtain some partial positive results on this conjecture.",
author = "Haralampos Geranios and Alexander Kleshchev and Lucia Morotti",
note = "Funding Information: The first author gratefully acknowledges the support of The Royal Society through a University Research Fellowship. The second author was supported by the NSF grant DMS-1700905. The third author was supported by the DFG grants MO 3377/1-1 and MO 3377/1-2.",
year = "2022",
month = apr,
doi = "10.48550/arXiv.2006.12961",
language = "English",
volume = "375",
pages = "2627--2676",
journal = "Transactions of the American Mathematical Society",
issn = "0002-9947",
publisher = "American Mathematical Society",
number = "4",

}

Download

TY - JOUR

T1 - ON SELF-EXTENSIONS OF IRREDUCIBLE MODULES OVER SYMMETRIC GROUPS

AU - Geranios, Haralampos

AU - Kleshchev, Alexander

AU - Morotti, Lucia

N1 - Funding Information: The first author gratefully acknowledges the support of The Royal Society through a University Research Fellowship. The second author was supported by the NSF grant DMS-1700905. The third author was supported by the DFG grants MO 3377/1-1 and MO 3377/1-2.

PY - 2022/4

Y1 - 2022/4

N2 - A conjecture going back to the eighties claims that there are no non-trivial self-extensions of irreducible modules over symmetric groups if the characteristic of the ground field is not equal to 2. We obtain some partial positive results on this conjecture.

AB - A conjecture going back to the eighties claims that there are no non-trivial self-extensions of irreducible modules over symmetric groups if the characteristic of the ground field is not equal to 2. We obtain some partial positive results on this conjecture.

UR - http://www.scopus.com/inward/record.url?scp=85126451484&partnerID=8YFLogxK

U2 - 10.48550/arXiv.2006.12961

DO - 10.48550/arXiv.2006.12961

M3 - Article

AN - SCOPUS:85126451484

VL - 375

SP - 2627

EP - 2676

JO - Transactions of the American Mathematical Society

JF - Transactions of the American Mathematical Society

SN - 0002-9947

IS - 4

ER -