Communications in Algebra, Volume 49, Issue 2 (2021)

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Communications in Algebra, Volume 49, Issue 2 (2021)

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Articles

Article
Free left n-trinilpotent trioids
Anatolii V. Zhuchok & Yana A. Kryklia
Pages: 467-481
Published online: 28 Aug 2020
AbstractforFree left n-trinilpotent trioids | Full Text | References | PDF (1.1 MB) | EPUB
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Article
A generalization of Strassen’s Positivstellensatz
Tobias Fritz
Pages: 482-499
Published online: 03 Sep 2020
AbstractforA generalization of Strassen’s Positivstellensatz | Full Text | References | PDF (1.2 MB) | EPUB
  • 117 Views
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Article
On n-semiprimary ideals and n-pseudo valuation domains
David F. Anderson & Ayman Badawi
Pages: 500-520
Published online: 14 Aug 2020
AbstractforOn n-semiprimary ideals and n-pseudo valuation domains | Full Text | References | PDF (1.5 MB) | EPUB
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Article
Nilpotent Lie algebras of class 4 with the derived subalgebra of dimension 3
Farangis Johari, Peyman Niroomand & Mohsen Parvizi
Pages: 521-532
Published online: 14 Sep 2020
AbstractforNilpotent Lie algebras of class 4 with the derived subalgebra of dimension 3 | Full Text | References | PDF (1.1 MB) | EPUB
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Article
The wreath product of semiprime skew braces is semiprime
Patrick I. Kinnear
Pages: 533-537
Published online: 17 Aug 2020
AbstractforThe wreath product of semiprime skew braces is semiprime | Full Text | References | PDF (554.8 KB) | EPUB
  • 100 Views
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Article
Finite groups whose codegrees are almost prime
Ferydoun Alizadeh, Mohsen Ghasemi & Mehdi Ghaffarzadeh
Pages: 538-544
Published online: 18 Aug 2020
AbstractforFinite groups whose codegrees are almost prime | Full Text | References | PDF (575.9 KB) | EPUB
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Article
Hilbert curves of conic fibrations over smooth surfaces
Maria Lucia Fania & Antonio Lanteri
Pages: 545-566
Published online: 28 Aug 2020
AbstractforHilbert curves of conic fibrations over smooth surfaces | Full Text | References | PDF (1.7 MB) | EPUB
  • 80 Views
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Article
Right coideal subalgebras of a bosonization of the Fomin–Kirillov algebra FK3
Barbara Pogorelsky & Carolina Renz
Pages: 567-578
Published online: 28 Aug 2020
AbstractforRight coideal subalgebras of a bosonization of the Fomin–Kirillov algebra FK3 | Full Text | References | PDF (1 MB) | EPUB
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Article
Rings of congruence preserving functions, II
C. J. Maxson & J. H. Meyer
Pages: 579-589
Published online: 21 Sep 2020
AbstractforRings of congruence preserving functions, II | Full Text | References | PDF (1.2 MB) | EPUB
  • 600 Views
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Open Access
Article
On evolution operators in characteristic 2
Richard Varro
Pages: 590-613
Published online: 06 Sep 2020
AbstractforOn evolution operators in characteristic 2 | Full Text | References | PDF (1.6 MB) | EPUB
  • 44 Views
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Article
On 2-closed elusive permutation groups of degrees p2q and p2qr
Majid Arezoomand & Mohsen Ghasemi
Pages: 614-620
Published online: 03 Sep 2020
AbstractforOn 2-closed elusive permutation groups of degrees p2q and p2qr | Full Text | References | PDF (693.5 KB) | EPUB
  • 103 Views
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Article
Structure of NI rings related to centers
Juncheol Han, Yang Lee & Sangwon Park
Pages: 621-630
Published online: 18 Sep 2020
AbstractforStructure of NI rings related to centers | Full Text | References | PDF (787.6 KB) | EPUB
  • 111 Views
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Article
Uniform exponential growth in twisted polynomial algebras
Christopher Briggs
Pages: 631-638
Published online: 03 Sep 2020
AbstractforUniform exponential growth in twisted polynomial algebras | Full Text | References | PDF (748.4 KB) | EPUB
  • 73 Views
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Article
Extension of crystallographic groups by or
John G. Ratcliffe & Steven T. Tschantz
Pages: 639-657
Published online: 09 Sep 2020
AbstractforExtension of crystallographic groups by or | Full Text | References | PDF (1.3 MB) | EPUB
  • 61 Views
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Article
Finite groups with very few character values
Taro Sakurai
Pages: 658-661
Published online: 03 Sep 2020
AbstractforFinite groups with very few character values | Full Text | References | PDF (486.8 KB) | EPUB
  • 109 Views
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Article
Double centralizer properties related to (co)triangular Hopf coquasigroups
Yue Gu & Shuanhong Wang
Pages: 662-686
Published online: 06 Sep 2020
AbstractforDouble centralizer properties related to (co)triangular Hopf coquasigroups | Full Text | References | PDF (1.7 MB) | EPUB
  • 126 Views
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Article
On class sizes and primitive character degrees of p-solvable groups
Wanting Li & Yong Yang
Pages: 687-689
Published online: 22 Sep 2020
AbstractforOn class sizes and primitive character degrees of p-solvable groups | Full Text | References | PDF (365.9 KB) | EPUB
  • 89 Views
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Article
Path model for an extremal weight module over the quantized hyperbolic Kac-Moody algebra of rank 2
Daisuke Sagaki & Dongxiao Yu
Pages: 690-705
Published online: 13 Sep 2020
AbstractforPath model for an extremal weight module over the quantized hyperbolic Kac-Moody algebra of rank 2 | Full Text | References | PDF (1.2 MB) | EPUB
  • 81 Views
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Article
Designs and codes from fixed points of finite groups
Jamshid Moori
Pages: 706-720
Published online: 18 Sep 2020
AbstractforDesigns and codes from fixed points of finite groups | Full Text | References | PDF (1.1 MB) | EPUB
  • 110 Views
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Article
Representations and fusion rules for the orbifold vertex operator algebras Lsl2̂(k,0)Zp
Bing Wang
Pages: 721-738
Published online: 01 Oct 2020
AbstractforRepresentations and fusion rules for the orbifold vertex operator algebras Lsl2̂(k,0)Zp | Full Text | References | PDF (1.4 MB) | EPUB
  • 100 Views
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Article
Support τ-tilting modules over one-point extensions
Hanpeng Gao & Zongzhen Xie
Pages: 739-746
Published online: 17 Sep 2020
AbstractforSupport τ-tilting modules over one-point extensions | Full Text | References | PDF (750.8 KB) | EPUB
  • 136 Views
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Article
On the support of (R,+)-gradings on the Grassmann algebra
Alan de Araújo Guimarães
Pages: 747-762
Published online: 13 Sep 2020
AbstractforOn the support of (R,+)-gradings on the Grassmann algebra | Full Text | References | PDF (1.1 MB) | EPUB
  • 51 Views
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Article
On realizable Galois module classes by the inverse different
Bouchaïb Sodaïgui & Mohammed Taous
Pages: 763-771
Published online: 14 Sep 2020
AbstractforOn realizable Galois module classes by the inverse different | Full Text | References | PDF (718.7 KB) | EPUB
  • 281 Views
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Article
Connectedness of Lakshmibai-Seshadri path crystals for hyperbolic Kac-Moody algebras of rank 2
Ryuta Hiasa
Pages: 772-789
Published online: 22 Sep 2020
AbstractforConnectedness of Lakshmibai-Seshadri path crystals for hyperbolic Kac-Moody algebras of rank 2 | Full Text | References | PDF (1.4 MB) | EPUB
  • 134 Views
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Article
On nil clean group rings
Jian Cui, Yuanlin Li & Haobai Wang
Pages: 790-796
Published online: 16 Sep 2020
AbstractforOn nil clean group rings | Full Text | References | PDF (585.6 KB) | EPUB
  • 262 Views
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Article
Projective oscillator representations of sl(n+1|m) and osp(m|n+1)
Ling Chen & Xiaoping Xu
Pages: 797-823
Published online: 21 Sep 2020
AbstractforProjective oscillator representations of sl(n+1|m) and osp(m|n+1) | Full Text | References | PDF (1.8 MB) | EPUB
  • 99 Views
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Article
On purely-prime ideals with applications
Abolfazl Tarizadeh & Mohsen Aghajani
Pages: 824-835
Published online: 16 Sep 2020
AbstractforOn purely-prime ideals with applications | Full Text | References | PDF (879.5 KB) | EPUB
  • 117 Views
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Article
An Engel condition with two generalized derivations in prime rings
Cheng-Kai Liu
Pages: 836-849
Published online: 29 Sep 2020
AbstractforAn Engel condition with two generalized derivations in prime rings | Full Text | References | PDF (1 MB) | EPUB
  • 285 Views
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Article
On the atomic structure of exponential Puiseux monoids and semirings
Sofía Albizu-Campos, Juliet Bringas & Harold Polo
Pages: 850-863
Published online: 07 Oct 2020
AbstractforOn the atomic structure of exponential Puiseux monoids and semirings | Full Text | References | PDF (1.1 MB) | EPUB
  • 111 Views
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Article
On simple-direct modules
Engin Büyükaşık, Özlem Demir & Müge Diril
Pages: 864-876
Published online: 23 Nov 2020
AbstractforOn simple-direct modules | Full Text | References | PDF (958.4 KB) | EPUB
  • 222 Views
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Article
Freiman ideals and the number of generators of powers of monomial ideals
Ibrahim Al-Ayyoub & Mehrdad Nasernejad
Pages: 877-891
Published online: 15 Dec 2020
AbstractforFreiman ideals and the number of generators of powers of monomial ideals | Full Text | References | PDF (1.6 MB) | EPUB
  • 121 Views
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Article
Gröbner–Shirshov bases for symmetric brace algebras
Yu Li, Qiuhui Mo & Leonid A. Bokut
Pages: 892-904
Published online: 22 Oct 2020
AbstractforGröbner–Shirshov bases for symmetric brace algebras | Full Text | References | PDF (980.7 KB) | EPUB
  • 79 Views
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Article
Retraction article: Eight-dimensional octonion-like but associative normed division algebra
Joy Christian
Pages: 905-914
Published online: 16 Jul 2020
AbstractforRetraction article: Eight-dimensional octonion-like but associative normed division algebra | Full Text | References | PDF (1.8 MB) | EPUB
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Retraction
Statement of retraction: Eight-dimensional octonion-like but associative normed division algebra
Page: (I)
Published online: 19 Oct 2020
CitationforStatement of retraction: Eight-dimensional octonion-like but associative normed division algebra | Full Text | PDF (99.9 KB) | EPUB
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Free Access
Correction
Erratum of “A Hermitian analogue of the Morita theorems”
Bhanumati Dasgupta & Soura Dasgupta
Pages: (II)-(III)
Published online: 01 Oct 2020
AbstractforErratum of “A Hermitian analogue of the Morita theorems” | Full Text | References | PDF (257.6 KB) | EPUB
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