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   Articles with "three positive" as a keyword



Structure–activity studies on polymyxin derivatives carrying three positive charges only reveal a new class of compounds with strong antibacterial activity

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recommendations! Published in 2017 at "Peptides"

DOI: 10.1016/j.peptides.2017.03.002

Abstract: &NA; Recent years have brought in an increased interest to develop improved polymyxins. The currently used polymyxins, i.e. polymyxin B and colistin (polymyxin E) are pentacationic lipopeptides that possess a cyclic heptapeptide part with three… read more here.

Keywords: part; class; three positive; positive charges ... See more keywords
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An Investigation Into the Cyclically Presented Groups with Length Three Positive Relators

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recommendations! Published in 2019 at "Experimental Mathematics"

DOI: 10.1080/10586458.2019.1655817

Abstract: We continue research into the cyclically presented groups with length three positive relators. We study small cancellation conditions and SQ-universality, we obtain the Betti numbers of the groups' abelianisations, we calculate the orders of the… read more here.

Keywords: positive relators; groups length; three positive; presented groups ... See more keywords

Triangle-free Graphs with Three Positive Eigenvalues

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recommendations! Published in 2024 at "Algebra Colloquium"

DOI: 10.1142/s1005386724000397

Abstract: A graph [Formula: see text] is called triangle-free if [Formula: see text] does not contain any triangle as its induced subgraph. Let [Formula: see text] be the set of triangle-free graphs of order [Formula: see… read more here.

Keywords: three positive; see text; triangle free; formula see ... See more keywords

Three positive solutions for boundary value problem for differential equation with Riemann-Liouville fractional derivative

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recommendations! Published in 2018 at "Journal of Applied Analysis and Computation"

DOI: 10.11948/2018.1227

Abstract: In this paper, by using the Avery-Peterson fixed point theorem, we establish the existence result of at least three positive solutions of boundary value problem of nonlinear differential equation with Riemann-Liouville’s fractional order derivative. An… read more here.

Keywords: solutions boundary; positive solutions; three positive; value ... See more keywords