Communications in Algebra, Volume 39, Issue 11 (2011)

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Communications in Algebra, Volume 39, Issue 11 (2011)

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Original Articles

Article
Galois Cohomology of Unipotent Algebraic Groups and Field Extensions
Nguyêñ Duy Tân & Nguyêñ Quôć Thǎńg
Pages: 3923-3938
Published online: 22 Nov 2011
AbstractforGalois Cohomology of Unipotent Algebraic Groups and Field Extensions | Full Text | References | PDF (153.9 KB)
  • 188 Views
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Article
A Generalized Version of the Tilting Theorem
Haiyan Zhu & Nanqing Ding
Pages: 3939-3955
Published online: 22 Nov 2011
AbstractforA Generalized Version of the Tilting Theorem | Full Text | References | PDF (487.8 KB)
  • 235 Views
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Article
Étude des ω-PI Algèbres Commutatives de Degré 4: I. Algèbres Non Barycentriques Non Invariantes par Gamétisation
Michelle Nourigat et Richard Varro
Pages: 3956-3968
Published online: 22 Nov 2011
AbstractforÉtude des ω-PI Algèbres Commutatives de Degré 4: I. Algèbres Non Barycentriques Non Invariantes par Gamétisation | Full Text | References | PDF (151.9 KB)
  • 83 Views
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Article
Normal Zeta Functions of Some pro-p Groups
Ilir Snopce
Pages: 3969-3980
Published online: 22 Nov 2011
AbstractforNormal Zeta Functions of Some pro-p Groups | Full Text | References | PDF (152.1 KB)
  • 133 Views
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Article
Cotorsion Theories Cogenerated by a Torsionfree Class
Xianhui Fu, Haiyan Zhu & Mingyan Sun
Pages: 3981-3992
Published online: 22 Nov 2011
AbstractforCotorsion Theories Cogenerated by a Torsionfree Class | Full Text | References | PDF (272 KB)
  • 215 Views
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Article
A Note on a Conjecture of Watanabe and Yoshida
Lori McDonnell
Pages: 3993-3997
Published online: 22 Nov 2011
AbstractforA Note on a Conjecture of Watanabe and Yoshida | Full Text | References | PDF (94.6 KB)
  • 154 Views
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Article
A Remark on the Structure of N-Engel Groups
Peter G. Crosby & Gunnar Traustason
Pages: 3998-4001
Published online: 22 Nov 2011
AbstractforA Remark on the Structure of N-Engel Groups | Full Text | References | PDF (88.7 KB)
  • 146 Views
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Article
Depth Formula via Complete Intersection Flat Dimension
Parviz Sahandi, Tirdad Sharif & Siamak Yassemi
Pages: 4002-4013
Published online: 22 Nov 2011
AbstractforDepth Formula via Complete Intersection Flat Dimension | Full Text | References | PDF (149.4 KB)
  • 162 Views
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Article
On Free Sabinin Algebras
Evgeny Chibrikov
Pages: 4014-4035
Published online: 22 Nov 2011
AbstractforOn Free Sabinin Algebras | Full Text | References | PDF (180.3 KB)
  • 118 Views
  • 10 CrossRef citations
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Article
Dual Rickart Modules
Gangyong Lee, S. Tariq Rizvi & Cosmin S. Roman
Pages: 4036-4058
Published online: 22 Nov 2011
AbstractforDual Rickart Modules | Full Text | References | PDF (192.5 KB)
  • 454 Views
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Article
On the Simplicity of Lie Algebras Associated to Leavitt Algebras
Gene Abrams & Darren Funk-Neubauer
Pages: 4059-4069
Published online: 22 Nov 2011
AbstractforOn the Simplicity of Lie Algebras Associated to Leavitt Algebras | Full Text | References | PDF (138.1 KB)
  • 147 Views
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Article
Linear Equations for the Number of Intervals Which are Isomorphic with Boolean Lattices and the Dehn–Sommerville Equations
Gábor Hegedüs
Pages: 4070-4083
Published online: 22 Nov 2011
AbstractforLinear Equations for the Number of Intervals Which are Isomorphic with Boolean Lattices and the Dehn–Sommerville Equations | Full Text | References | PDF (143 KB)
  • 88 Views
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Article
Division Algebras with Radicable Multiplicative Groups
M. Mahdavi-Hezavehi & M. Motiee
Pages: 4084-4096
Published online: 22 Nov 2011
AbstractforDivision Algebras with Radicable Multiplicative Groups | Full Text | References | PDF (157.3 KB)
  • 125 Views
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Article
Biderivations of the Parabolic Subalgebras of Simple Lie Algebras
Dengyin Wang, Xiaoxiang Yu & Zhengxin Chen
Pages: 4097-4104
Published online: 22 Nov 2011
AbstractforBiderivations of the Parabolic Subalgebras of Simple Lie Algebras | Full Text | References | PDF (112 KB)
  • 235 Views
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Article
The Steenrod Algebra is a Prime Ring
Robert P. Stephens
Pages: 4105-4117
Published online: 22 Nov 2011
AbstractforThe Steenrod Algebra is a Prime Ring | Full Text | References | PDF (139.8 KB)
  • 122 Views
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Article
A Characterization of Nilpotent Injectors in Finite Groups
Anna Luisa Gilotti & Luigi Serena
Pages: 4118-4127
Published online: 22 Nov 2011
AbstractforA Characterization of Nilpotent Injectors in Finite Groups | Full Text | References | PDF (125.9 KB)
  • 155 Views
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Article
Integer-Valued Polynomial Rings, t-Closure, and Associated Primes
Jesse Elliott
Pages: 4128-4147
Published online: 22 Nov 2011
AbstractforInteger-Valued Polynomial Rings, t-Closure, and Associated Primes | Full Text | References | PDF (232.7 KB)
  • 172 Views
  • 12 CrossRef citations
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Article
Irreducible Divisor Graphs and Factorization Properties of Domains
M. Axtell, N. Baeth & J. Stickles
Pages: 4148-4162
Published online: 22 Nov 2011
AbstractforIrreducible Divisor Graphs and Factorization Properties of Domains | Full Text | References | PDF (413.2 KB)
  • 184 Views
  • 6 CrossRef citations
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Article
A Zariski Topology for Modules
Jawad Abuhlail
Pages: 4163-4182
Published online: 22 Nov 2011
AbstractforA Zariski Topology for Modules | Full Text | References | PDF (171 KB)
  • 360 Views
  • 11 CrossRef citations
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Article
On Quasi-Hyperideals in Semihypergroups
Kostaq Hila, Bijan Davvaz & Krisanthi Naka
Pages: 4183-4194
Published online: 22 Nov 2011
AbstractforOn Quasi-Hyperideals in Semihypergroups | Full Text | References | PDF (130.2 KB)
  • 403 Views
  • 40 CrossRef citations
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Article
On the Ranks of Certain Semigroups of Orientation Preserving Transformations
Ping Zhao
Pages: 4195-4205
Published online: 22 Nov 2011
AbstractforOn the Ranks of Certain Semigroups of Orientation Preserving Transformations | Full Text | References | PDF (128.7 KB)
  • 180 Views
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Article
The Ultrametric Space of Plane Branches
Ignasi Abío, Maria Alberich-Carramiñana & Víctor González-Alonso
Pages: 4206-4220
Published online: 22 Nov 2011
AbstractforThe Ultrametric Space of Plane Branches | Full Text | References | PDF (289.7 KB)
  • 102 Views
  • 3 CrossRef citations
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Article
On Flatness and Completion for Infinitely Generated Modules over Noetherian Rings
Amnon Yekutieli
Pages: 4221-4245
Published online: 22 Nov 2011
AbstractforOn Flatness and Completion for Infinitely Generated Modules over Noetherian Rings | Full Text | References | PDF (291.9 KB)
  • 274 Views
  • 27 CrossRef citations
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Article
PrÜfer-Like Domains and the Nagata Ring of Integral Domains
Gyu Whan Chang & Byung Gyun Kang
Pages: 4246-4258
Published online: 22 Nov 2011
AbstractforPrÜfer-Like Domains and the Nagata Ring of Integral Domains | Full Text | References | PDF (168.5 KB)
  • 191 Views
  • 1 CrossRef citations
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Article
On Weak Annihilator Ideals of Skew Monoid Rings
Lunqun Ouyang
Pages: 4259-4272
Published online: 22 Nov 2011
AbstractforOn Weak Annihilator Ideals of Skew Monoid Rings | Full Text | References | PDF (159.6 KB)
  • 191 Views
  • 5 CrossRef citations
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Article
Fully Invariant Subgroups of Abelian p-Groups with Finite Ulm–Kaplansky Invariants
S. Ya. Grinshpon & M. M. Nikolskaya (Savinkova)
Pages: 4273-4282
Published online: 22 Nov 2011
AbstractforFully Invariant Subgroups of Abelian p-Groups with Finite Ulm–Kaplansky Invariants | Full Text | References | PDF (124.7 KB)
  • 124 Views
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Article
A Note on the Discriminant
Arkadiusz Płoski
Pages: 4283-4288
Published online: 22 Nov 2011
AbstractforA Note on the Discriminant | Full Text | References | PDF (105.6 KB)
  • 125 Views
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Article
Primitive Ideals of Noetherian Generalized Down-Up Algebras
Iwan Praton
Pages: 4289-4318
Published online: 22 Nov 2011
AbstractforPrimitive Ideals of Noetherian Generalized Down-Up Algebras | Full Text | References | PDF (241.2 KB)
  • 103 Views
  • 2 CrossRef citations
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Article
Filters in (Quasiordered) Semigroups and Lattices of Filters
Z. Juhasz & A. Vernitski
Pages: 4319-4335
Published online: 22 Nov 2011
AbstractforFilters in (Quasiordered) Semigroups and Lattices of Filters | Full Text | References | PDF (160.6 KB)
  • 145 Views
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Article
Effective Indices of Subgroups in Baumslag–Pride Groups with Free Quotients
Thomas Koberda
Pages: 4336-4341
Published online: 22 Nov 2011
AbstractforEffective Indices of Subgroups in Baumslag–Pride Groups with Free Quotients | Full Text | References | PDF (95.1 KB)
  • 101 Views
  • 1 CrossRef citations
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Article
More on Subtractive Semirings: Simpleness, Perfectness, and Related Problems
Y. Katsov, T. G. Nam & N. X. Tuyen
Pages: 4342-4356
Published online: 22 Nov 2011
AbstractforMore on Subtractive Semirings: Simpleness, Perfectness, and Related Problems | Full Text | References | PDF (149.4 KB)
  • 200 Views
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Article
The Algebras of Semi-Invariants of Euclidean Quivers
Cristina Di Trapano
Pages: 4357-4373
Published online: 22 Nov 2011
AbstractforThe Algebras of Semi-Invariants of Euclidean Quivers | Full Text | References | PDF (243.4 KB)
  • 102 Views
  • 1 CrossRef citations
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Article
The Structure of Ortho-LC-Monoids
C. M. Gong, Y. Q. Guo & X. M. Ren
Pages: 4374-4389
Published online: 22 Nov 2011
AbstractforThe Structure of Ortho-LC-Monoids | Full Text | References | PDF (146.9 KB)
  • 111 Views
  • 1 CrossRef citations
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Article
Supplement Submodules of Injective Modules
John Clark, Derya Keskin Tütüncü & Rachid Tribak
Pages: 4390-4402
Published online: 22 Nov 2011
AbstractforSupplement Submodules of Injective Modules | Full Text | References | PDF (132.3 KB)
  • 310 Views
  • 0 CrossRef citations
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Article
On Infinite Camina Groups
Marcel Herzog, Patrizia Longobardi & Mercede Maj
Pages: 4403-4419
Published online: 22 Nov 2011
AbstractforOn Infinite Camina Groups | Full Text | References | PDF (165 KB)
  • 178 Views
  • 4 CrossRef citations
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Article
Weak-Injective Modules of Weak Dimension at Most One
Sang Bum Lee
Pages: 4420-4427
Published online: 22 Nov 2011
AbstractforWeak-Injective Modules of Weak Dimension at Most One | Full Text | References | PDF (101.2 KB)
  • 193 Views
  • 2 CrossRef citations
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Article
The Cyclotomic BMW Algebra Associated with the Two String Type B Braid Group
Stewart Wilcox & Shona Yu
Pages: 4428-4446
Published online: 22 Nov 2011
AbstractforThe Cyclotomic BMW Algebra Associated with the Two String Type B Braid Group | Full Text | References | PDF (162.3 KB)
  • 133 Views
  • 5 CrossRef citations
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Article
More on the Hochschild and Cyclic Homologies of Crossed Modules of Algebras
Guram Donadze & Manuel Ladra
Pages: 4447-4460
Published online: 22 Nov 2011
AbstractforMore on the Hochschild and Cyclic Homologies of Crossed Modules of Algebras | Full Text | References | PDF (288.8 KB)
  • 130 Views
  • 1 CrossRef citations
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Article
On Skew Triangular Matrix Rings
A. R. Nasr-Isfahani
Pages: 4461-4469
Published online: 22 Nov 2011
AbstractforOn Skew Triangular Matrix Rings | Full Text | References | PDF (129.5 KB)
  • 280 Views
  • 8 CrossRef citations
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Article
On Strong π-Regularity and π-Regularity
Nam Kyun Kim & Yang Lee
Pages: 4470-4485
Published online: 22 Nov 2011
AbstractforOn Strong π-Regularity and π-Regularity | Full Text | References | PDF (149.6 KB)
  • 259 Views
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