Results 11 to 20 of about 52 (51)

Influence of hospital size on antimicrobial resistance and advantages of restricting antimicrobial use based on cumulative antibiograms in dogs with Staphylococcus pseudintermedius infections in Japan

open access: yesVeterinary Dermatology, Volume 32, Issue 6, Page 668-e178, December 2021., 2021
Background Antimicrobial resistance in Staphylococcus pseudintermedius (SP) and the prevalence of meticillin‐resistant SP (MRSP) is increasing in dogs worldwide. Objectives To evaluate the influence of hospital size on antimicrobial resistance of SP and whether restricted use of antimicrobials based on antibiograms could reduce the identification of ...
Keita Iyori   +5 more
wiley   +1 more source

Properties Of New Classes Of ω-µ-Sets In Gts

open access: yes, 2023
The notions of ω-µ-closed sets and ω-µ-open sets in generalized topological space were introduced and studied by Al Ghour and Zareer. In this paper, we introduce new classes of ω-µ-open sets and continuous functions in topological spaces and study the ...
Rosas, E   +3 more
core   +1 more source

Between semi-closed and GS-closed sets [PDF]

open access: yes, 2009
In this paper, we introduce the concept of strongly generalized semi- closed (= g*s – closed) sets, strongly generalized semi-open (= g*s – open) sets and strongly semi-T1/2-spaces (= st.
Nasef, A.A., El-Maghrabi, A.I.
core   +1 more source

Magill‐type theorems for mappings

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2004, Issue 26, Page 1379-1391, 2004., 2004
Magill′s and Rayburn′s theorems on the homeomorphism of Stone‐Čech remainders and some of their generalizations to the remainders of arbitrary Hausdorff compactifications of Tychonoff spaces are extended to some class of mappings.
Giorgio Nordo, Boris A. Pasynkov
wiley   +1 more source

Classification of weak continuities and decomposition of continuity

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2004, Issue 51, Page 2755-2760, 2004., 2004
We first introduce 20 weak forms of continuity, which are closely related to 5 known weak forms of continuity. Then we classify them into 9 groups and give 12 decompositions of continuity.
Jingcheng Tong
wiley   +1 more source

Fuzzy properties in fuzzy convergence spaces

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 29, Issue 12, Page 737-748, 2002., 2002
Based on the concept of limit of prefilters and residual implication, several notions in fuzzy topology are fuzzyfied in the sense that, for each notion, the degree to which it is fulfilled is considered. We establish therefore theories of degrees of compactness and relative compactness, of closedness, and of continuity.
Gunther Jäger
wiley   +1 more source

Local connectivity and maps onto non‐metrizable arcs

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 20, Issue 4, Page 681-688, 1997., 1996
Three classes of locally connected continua which admit sufficiently many maps onto non‐metric arcs are investigated. It is proved that all continua in those classes are continuous images of arcs and, therefore, have other quite nice properties.
J. Nikiel, L. B. Treybig, H. M. Tuncali
wiley   +1 more source

Perfect maps in compact (countably compact) spaces

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 18, Issue 4, Page 773-776, 1995., 1993
In this paper, among other results, characterizations of perfect maps in compact Hausdorff(Fréchet, countably compact, Hausdorff) spaces are obtained.
G. L. Garg, Asha Goel
wiley   +1 more source

θ‐regular spaces

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 8, Issue 3, Page 615-619, 1985., 1985
In this paper we define a topological space X to be θ‐regular if every filterbase in X with a nonempty θ‐adherence has a nonempty adherence. It is shown that the class of θ‐regular topological spaces includes rim‐compact topological spaces and that θ‐regular H(i) (Hausdorff) topological spaces are compact (regular).
Dragan S. Janković
wiley   +1 more source

A Characterization of Affine Primal Topological Spaces Induced by Nilpotent Matrices

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2025, Issue 1, 2025.
In this article, we prove that an n × n matrix A is nilpotent if and only if there exists an affine primal topology τ for Rn such that the space Rn,τ is both compact and connected. For τ being an affine primal topology, we mean that τ=U⊂Rn:f−1U⊂U, where f:Rn⟶Rn is a map defined by f(x) = Ax + p, with p∈Rn.
Ebner Pineda   +3 more
wiley   +1 more source

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