Spiderweb Central Configurations
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DOI: 10.1007/s12346-019-00330-y
Abstract: In this paper we study spiderweb central configurations for the $N$-body problem, i.e configurations given by $N=n \times \ell+1$ masses located at the intersection points of $\ell$ concurrent equidistributed half-lines with $n$ circles and a… read more here.
Keywords: geq; ell; spiderweb central; central configurations ... See more keywords
Impact of organ donation on grief symptoms in donor families
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DOI: 10.1186/s40359-025-02896-6
Abstract: The aim of the study was to identify the factors that influence grief among donor families regarding organ donation. This cross-sectional study, utilizing an analytical approach, employed a convenience sampling method to gather data from… read more here.
Keywords: organ donation; score; donation; donor families ... See more keywords
Augmenting graphs to partition their vertices into a total dominating set and an independent dominating set
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DOI: 10.7494/opmath.2025.45.2.179
Abstract: A graph \(G\) whose vertex set can be partitioned into a total dominating set and an independent dominating set is called a TI-graph. There exist infinite families of graphs that are not TI-graphs. We define… read more here.
Keywords: dominating; dominating set; operatorname; geq ... See more keywords