Communications in Algebra, Volume 49, Issue 12 (2021)

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Communications in Algebra, Volume 49, Issue 12 (2021)

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Obituary

Obituary
In memoriam: Earl Jay Taft (1931–2021)
Scott Chapman & Lance Small
Pages: 5029-5030
Published online: 25 Sep 2021
CitationforIn memoriam: Earl Jay Taft (1931–2021) | Full Text | PDF (463.5 KB) | EPUB
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Research Article

Article
The center of q-Schur algebra U(2,r)
Wenting Gao & Mingqiang Liu
Pages: 5031-5040
Published online: 17 Aug 2021
AbstractforThe center of q-Schur algebra U(2,r) | Full Text | References | PDF (765.8 KB) | EPUB
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Article
F-Baer objects with respect to a fully invariant short exact sequence in abelian categories
Septimiu Crivei, Derya Keskin Tütüncü & Gabriela Olteanu
Pages: 5041-5060
Published online: 21 Jun 2021
AbstractforF-Baer objects with respect to a fully invariant short exact sequence in abelian categories | Full Text | References | PDF (1.6 MB) | EPUB
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Article
Cohomologically rigid solvable Lie superalgebras with model filiform and model nilpotent nilradical
S. Bouarroudj & R. M. Navarro
Pages: 5061-5072
Published online: 30 Jun 2021
AbstractforCohomologically rigid solvable Lie superalgebras with model filiform and model nilpotent nilradical | Full Text | References | PDF (907.3 KB) | EPUB
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Article
*-Jordan-type maps on C*-algebras
Bruno Leonardo Macedo Ferreira & Bruno Tadeu Costa
Pages: 5073-5082
Published online: 17 Aug 2021
Abstractfor*-Jordan-type maps on C*-algebras | Full Text | References | PDF (859.1 KB) | EPUB
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Article
The generators, relations and type of the Backelin semigroup
Florian Enescu & Arun Suresh
Pages: 5083-5092
Published online: 23 Jun 2021
AbstractforThe generators, relations and type of the Backelin semigroup | Full Text | References | PDF (770.6 KB) | EPUB
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Article
Distributivity relations on the binary operations over a fixed set
Sergio R. López-Permouth, Isaac Owusu-Mensah & Asiyeh Rafieipour
Pages: 5093-5108
Published online: 15 Jun 2021
AbstractforDistributivity relations on the binary operations over a fixed set | Full Text | References | PDF (1.4 MB) | EPUB
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Article
Discriminants of toric varieties
Roberto Muñoz & Álvaro Nolla
Pages: 5109-5128
Published online: 21 Jun 2021
AbstractforDiscriminants of toric varieties | Full Text | References | PDF (1.5 MB) | EPUB
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Article
Three results concerning Auslander algebras
Stephen Zito
Pages: 5129-5136
Published online: 17 Jun 2021
AbstractforThree results concerning Auslander algebras | Full Text | References | PDF (632.3 KB) | EPUB
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Article
Homotopy theory in additive categories with suspensions
Zhi-Wei Li
Pages: 5137-5170
Published online: 17 Aug 2021
AbstractforHomotopy theory in additive categories with suspensions | Full Text | References | PDF (3.6 MB) | EPUB
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Article
Gabriel-Quillen embedding for n-exact categories
Ramin Ebrahimi
Pages: 5171-5180
Published online: 29 Jun 2021
AbstractforGabriel-Quillen embedding for n-exact categories | Full Text | References | PDF (946.1 KB) | EPUB
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Article
Generalized Taft algebras and pairs in involution
Sebastian Halbig
Pages: 5181-5195
Published online: 22 Jun 2021
AbstractforGeneralized Taft algebras and pairs in involution | Full Text | References | PDF (1.2 MB) | EPUB
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Article
Nonabelian extensions and factor systems for the algebras of Loday
Erik Mainellis
Pages: 5196-5213
Published online: 08 Jul 2021
AbstractforNonabelian extensions and factor systems for the algebras of Loday | Full Text | References | PDF (1.4 MB) | EPUB
  • 105 Views
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Article
Rank and rigidity of locally nilpotent derivations of affine fibrations
Janaki Raman Babu, Prosenjit Das & Swapnil A. Lokhande
Pages: 5214-5228
Published online: 25 Jun 2021
AbstractforRank and rigidity of locally nilpotent derivations of affine fibrations | Full Text | References | PDF (1.1 MB) | EPUB
  • 171 Views
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Article
Groups in which the co-degrees of the irreducible characters are distinct
Mahdi Ebrahimi
Pages: 5229-5232
Published online: 17 Jun 2021
AbstractforGroups in which the co-degrees of the irreducible characters are distinct | Full Text | References | PDF (390 KB) | EPUB
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Article
Relatively free modules on ring extensions
Shufeng Guo, Xiaochen Wang & Zhong Yi
Pages: 5233-5246
Published online: 28 Jun 2021
AbstractforRelatively free modules on ring extensions | Full Text | References | PDF (1.2 MB) | EPUB
  • 146 Views
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Article
Semibricks in extriangulated categories
Li Wang, Jiaqun Wei & Haicheng Zhang
Pages: 5247-5262
Published online: 01 Jul 2021
AbstractforSemibricks in extriangulated categories | Full Text | References | PDF (1.9 MB) | EPUB
  • 329 Views
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Article
Finiteness properties of extension functors of cominimax modules
Hamidreza Karimirad, Moharram Aghapournahr & Kamal Bahmanpour
Pages: 5263-5272
Published online: 25 Jun 2021
AbstractforFiniteness properties of extension functors of cominimax modules | Full Text | References | PDF (875.3 KB) | EPUB
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Article
Gabriel localization in functor categories
Martín Ortiz-Morales, Martha Lizbeth Shaid Sandoval-Miranda & Valente Santiago-Vargas
Pages: 5273-5296
Published online: 21 Jul 2021
AbstractforGabriel localization in functor categories | Full Text | References | PDF (1.7 MB) | EPUB
  • 135 Views
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Article
Support τ-tilting modules and separating splitting tilting triples
Weizhao Chen & Pu Zhang
Pages: 5297-5321
Published online: 08 Jul 2021
AbstractforSupport τ-tilting modules and separating splitting tilting triples | Full Text | References | PDF (2 MB) | EPUB
  • 247 Views
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Article
A new approach to the patch and flat topologies on a spectral space with applications
Abolfazl Tarizadeh
Pages: 5322-5328
Published online: 07 Jul 2021
AbstractforA new approach to the patch and flat topologies on a spectral space with applications | Full Text | References | PDF (575.8 KB) | EPUB
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Article
The quiver of an affine monoid
M. H. Shahzamanian & B. Steinberg
Pages: 5329-5341
Published online: 25 Aug 2021
AbstractforThe quiver of an affine monoid | Full Text | References | PDF (1.1 MB) | EPUB
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Article
On a property of 2-integrally closed domains
Anthony J. Bevelacqua
Pages: 5342-5346
Published online: 30 Jun 2021
AbstractforOn a property of 2-integrally closed domains | Full Text | References | PDF (548 KB) | EPUB
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Article
A short characterization of the octonions
Erwin Kleinfeld & Yoav Segev
Pages: 5347-5353
Published online: 14 Jul 2021
AbstractforA short characterization of the octonions | Full Text | References | PDF (562.7 KB) | EPUB
  • 137 Views
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Article
(Generalized) tilting modules with respect to the category σ[M]
M. Abbaszade & S. Sh. Mousavi
Pages: 5354-5366
Published online: 17 Aug 2021
Abstractfor(Generalized) tilting modules with respect to the category σ[M] | Full Text | References | PDF (1.3 MB) | EPUB
  • 112 Views
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Article
Nijenhuis operators on 3-Hom-L-dendriform algebras
Abdelkader Ben Hassine, Taoufik Chtioui & Sami Mabrouk
Pages: 5367-5391
Published online: 19 Jul 2021
AbstractforNijenhuis operators on 3-Hom-L-dendriform algebras | Full Text | References | PDF (2.1 MB) | EPUB
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Article
Representations of power-associative train algebras of rank 4
R. Lucas Rodrigues & E. O. Quintero Vanegas
Pages: 5392-5401
Published online: 08 Jul 2021
AbstractforRepresentations of power-associative train algebras of rank 4 | Full Text | References | PDF (787.7 KB) | EPUB
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Article
Twisted conjugacy in direct products of groups
Pieter Senden
Pages: 5402-5422
Published online: 19 Jul 2021
AbstractforTwisted conjugacy in direct products of groups | Full Text | References | PDF (1.5 MB) | EPUB
  • 220 Views
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Article
2-Local superderivations on the super Virasoro algebra and the super W(2,2) algebra
Munayim Dilxat, Shoulan Gao & Dong Liu
Pages: 5423-5434
Published online: 13 Jul 2021
Abstractfor2-Local superderivations on the super Virasoro algebra and the super W(2,2) algebra | Full Text | References | PDF (899 KB) | EPUB
  • 156 Views
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Article
Invariants of algebraic elements over Henselian fields
Nathália Moraes de Oliveira
Pages: 5435-5448
Published online: 16 Jul 2021
AbstractforInvariants of algebraic elements over Henselian fields | Full Text | References | PDF (1.1 MB) | EPUB
  • 56 Views
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Article
An odd degree descent problem for quasi-subforms of quadratic forms
Alexander S. Sivatski
Pages: 5449-5461
Published online: 08 Jul 2021
AbstractforAn odd degree descent problem for quasi-subforms of quadratic forms | Full Text | References | PDF (954.2 KB) | EPUB
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Article
Poisson primitive ideals of a Poisson order
Y. Van Huynh, Sei-Qwon Oh & Hanna Sim
Pages: 5462-5471
Published online: 11 Jul 2021
AbstractforPoisson primitive ideals of a Poisson order | Full Text | References | PDF (784.9 KB) | EPUB
  • 96 Views
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Article
Locally finite coalgebras and the locally nilpotent radical II
G. Santos Filho, L. Murakami & I. Shestakov
Pages: 5472-5482
Published online: 11 Jul 2021
AbstractforLocally finite coalgebras and the locally nilpotent radical II | Full Text | References | PDF (822.4 KB) | EPUB
  • 86 Views
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Article
Perspectivity and von Neumann regularity
Dinesh Khurana & Pace P. Nielsen
Pages: 5483-5499
Published online: 11 Jul 2021
AbstractforPerspectivity and von Neumann regularity | Full Text | References | PDF (1.2 MB) | EPUB
  • 225 Views
  • 8 CrossRef citations
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Article
Integrable modules for loop affine-Virasoro algebras
S. Eswara Rao, Sachin S. Sharma & Sudipta Mukherjee
Pages: 5500-5512
Published online: 17 Aug 2021
AbstractforIntegrable modules for loop affine-Virasoro algebras | Full Text | References | PDF (991.1 KB) | EPUB
  • 189 Views
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