Quaestiones Mathematicae, Volume 44, Issue 6 (2021)

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Quaestiones Mathematicae, Volume 44, Issue 6 (2021)

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Research Article

Article
On closures of discrete sets
Santi Spadaro
Pages: 717-720
Published online: 02 Jul 2019
AbstractforOn closures of discrete sets | References | PDF (346.2 KB)
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Review

Lower topological algebraic domain models of topological spaces
Hui Li & Qingguo Li
Pages: 721-733
Published online: 13 Jul 2020
AbstractforLower topological algebraic domain models of topological spaces | References | PDF (401 KB)
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Research Article

Article
Einstein type tensors in the generalized Riemannian space
Vladislava M. Stanković
Pages: 735-745
Published online: 13 Jul 2020
AbstractforEinstein type tensors in the generalized Riemannian space | References | PDF (209 KB)
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Article
Global existence and blow-up for a space and time nonlocal reaction-diffusion equation
Ahmed Alsaedi, Mokhtar Kirane & Berikbol T. Torebek
Pages: 747-753
Published online: 13 Jul 2020
AbstractforGlobal existence and blow-up for a space and time nonlocal reaction-diffusion equation | References | PDF (177 KB)
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Article
On equivalence of absolute double weighted mean methods
Mehmet Ali Sarigöl
Pages: 755-764
Published online: 13 Jul 2020
AbstractforOn equivalence of absolute double weighted mean methods | References | PDF (201.3 KB)
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Article
Two types of Galois correspondences over quantaloid-typed sets
Jinming Fang & Zhou Fang
Pages: 765-792
Published online: 15 Jul 2020
AbstractforTwo types of Galois correspondences over quantaloid-typed sets | References | PDF (336.1 KB)
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Article
Multiply warped products with compact Einstein manifolds
Fatma Karaca
Pages: 793-801
Published online: 13 Jul 2020
AbstractforMultiply warped products with compact Einstein manifolds | References | PDF (195.1 KB)
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Article
Perturbations of determinants of nuclear operators in a Hilbert space
Michael Gil’
Pages: 803-808
Published online: 13 Jul 2020
AbstractforPerturbations of determinants of nuclear operators in a Hilbert space | References | PDF (168.7 KB)
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Article
Non-divisibility of the class number of imaginary quadratic fields and some applications
Jinrui Wang
Pages: 809-813
Published online: 01 May 2020
AbstractforNon-divisibility of the class number of imaginary quadratic fields and some applications | References | PDF (165.4 KB)
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Article
Similarity solutions and conservation laws for the Bogoyavlensky-Konopelchenko equation by Lie point symmetries
Amlan K. Halder, P.G.L. Leach & Andronikos Paliathanasis
Pages: 815-827
Published online: 13 Jul 2020
AbstractforSimilarity solutions and conservation laws for the Bogoyavlensky-Konopelchenko equation by Lie point symmetries | References | PDF (207.5 KB)
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Article
Rings and subrings of continuous functions with countable range
Sudip Kumar Acharyya, Rakesh Bharati & A. Deb Ray
Pages: 829-848
Published online: 01 May 2020
AbstractforRings and subrings of continuous functions with countable range | References | PDF (305.4 KB)
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Article
The schur multiplier of a nilpotent Lie algebra with derived subalgebra of maximum dimension
Farangis Johari, Peyman Niroomand & Afsaneh Shamsaki
Pages: 849-856
Published online: 01 May 2020
AbstractforThe schur multiplier of a nilpotent Lie algebra with derived subalgebra of maximum dimension | References | PDF (189 KB)
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