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Bull. Belg. Math. Soc. Simon Stevin 25 (1), (march 2018) Open Access
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Articles
Giovanni Bazzoni, Gregory Lupton, John Oprea
Bull. Belg. Math. Soc. Simon Stevin 25 (1), 1-11, (march 2018) DOI: 10.36045/bbms/1523412047
KEYWORDS: co-Kähler manifold, toral rank conjecture, parallel form, 55P62
Peter Danchev
Bull. Belg. Math. Soc. Simon Stevin 25 (1), 13-29, (march 2018) DOI: 10.36045/bbms/1523412048
KEYWORDS: weakly clean rings, $\pi$-regular rings, strongly $\pi$-regular rings, weakly nil clean ring, 16E50, 16U70, 16S70, 16U99
Eudes L. de Lima, Henrique F. de Lima, Cícero P. Aquino
Bull. Belg. Math. Soc. Simon Stevin 25 (1), 29-38, (march 2018) DOI: 10.36045/bbms/1523412050
KEYWORDS: Lorentz-Minkowski space, higher order mean curvatures, generalized linear Weingarten spacelike hypersurfaces, height estimate, 53C42, 53B30, 53C50
Guofeng Che, Haibo Chen
Bull. Belg. Math. Soc. Simon Stevin 25 (1), 39-53, (march 2018) DOI: 10.36045/bbms/1523412051
KEYWORDS: Quasilinear Schrödinger equation, variational methods, Morse theory, Local Linking, 35B38, 35J35, 35J62
Wei-Feng Xuan, Wei-Xue Shi
Bull. Belg. Math. Soc. Simon Stevin 25 (1), 55-62, (march 2018) DOI: 10.36045/bbms/1523412052
KEYWORDS: Rank $2$-diagonal, Rank $3$-diagonal, $G_\delta$-diagonal, normal, Property $(DC(\omega_1))$, Perfect, countable tightness, Cardinality, 54D20, 54E35
Naser Pourreza, Jafar A'zami
Bull. Belg. Math. Soc. Simon Stevin 25 (1), 63-70, (march 2018) DOI: 10.36045/bbms/1523412053
KEYWORDS: Attached primes, Artinian modules, Krull dimension, local cohomology, 13D45, 14B15, 13E05
F. Netillard
Bull. Belg. Math. Soc. Simon Stevin 25 (1), 71-84, (march 2018) DOI: 10.36045/bbms/1523412054
KEYWORDS: ‎Banach spaces, James spaces, coarse Lipschitz embeddings, 46B20, 46B80
Farrukh Mukhamedov, Otabek Khakimov
Bull. Belg. Math. Soc. Simon Stevin 25 (1), 85-105, (march 2018) DOI: 10.36045/bbms/1523412055
KEYWORDS: non-Archimedean valuation, hypercylic operator, supercyclic operator, backward shift operator, 47A16, 37A25, 47S10
Wei Hei, Zhiqiang Xiao
Bull. Belg. Math. Soc. Simon Stevin 25 (1), 107-120, (march 2018) DOI: 10.36045/bbms/1523412056
KEYWORDS: $\tau$-precompact Hausdorff group reflection, $\omega$-narrow Hausdorff group reflection, $\tau$-precompact Hausdorff reflection functor, 22A05, 54H11, 18B99
H. Espid, R. Alizadeh
Bull. Belg. Math. Soc. Simon Stevin 25 (1), 121-127, (march 2018) DOI: 10.36045/bbms/1523412059
KEYWORDS: rotundity, smoothness, acs spaces, numerical range, 46B20, 47A12
Keely Grossnickle, Victor Turchin
Bull. Belg. Math. Soc. Simon Stevin 25 (1), 129-139, (march 2018) DOI: 10.36045/bbms/1523412060
KEYWORDS: 55R80, 20C30
F. J. García-Pacheco, D. Puglisi
Bull. Belg. Math. Soc. Simon Stevin 25 (1), 141-147, (march 2018) DOI: 10.36045/bbms/1523412061
KEYWORDS: lineability, norm-attaining functionals, renorming
Gerald Beer, Colin Bloomfield
Bull. Belg. Math. Soc. Simon Stevin 25 (1), 149-159, (march 2018) DOI: 10.36045/bbms/1523412062
KEYWORDS: closure operator, clopen topology, weak topology, zero-dimensional space, Kolmogorov quotient, 54A05, 54G99, 54C05, 54C50
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