Articles with "symmetry analysis" as a keyword



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Use of negative controls in a prescription sequence symmetry analysis to reduce time‐varying bias

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Published in 2021 at "Pharmacoepidemiology and Drug Safety"

DOI: 10.1002/pds.5293

Abstract: There is an increased use in the (prescription) sequence symmetry analysis (PSSA); however, limited studies have incorporated a negative control, and no study has formally quantified and controlled for within‐patient time‐varying bias using a negative… read more here.

Keywords: sequence symmetry; time varying; analysis; prescription sequence ... See more keywords
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Sequence symmetry analysis in pharmacovigilance and pharmacoepidemiologic studies

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Published in 2017 at "European Journal of Epidemiology"

DOI: 10.1007/s10654-017-0281-8

Abstract: Sequence symmetry analysis (SSA) is a method for detecting adverse drug events by utilizing computerized claims data. The method has been increasingly used to investigate safety concerns of medications and as a pharmacovigilance tool to… read more here.

Keywords: sequence symmetry; ssa; symmetry analysis; drug ... See more keywords
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Generalized Lie symmetry analysis for non-linear differential equations: A purely viscous fluid model

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Published in 2017 at "Results in physics"

DOI: 10.1016/j.rinp.2017.09.020

Abstract: Abstract Prime objective of present study is to provide procedure in obtaining symmetries for mixed convection flow of viscous fluid due to an inclined porous stretching sheet. Two cases of stretching velocity namely power law… read more here.

Keywords: analysis; symmetry analysis; lie symmetry; viscous fluid ... See more keywords
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Symmetry analysis and multipole classification of eigenmodes in electromagnetic resonators for engineering their optical properties

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Published in 2020 at "Physical Review B"

DOI: 10.1103/physrevb.102.075103

Abstract: The resonator is one of the main building blocks of a plethora of photonic and microwave devices from nanolasers to compact biosensors and magnetic resonance scanners. The symmetry of the resonators is tightly related to… read more here.

Keywords: optical properties; symmetry analysis; analysis multipole; classification eigenmodes ... See more keywords
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Symmetry analysis of odd- and even-frequency superconducting gap symmetries for time-reversal symmetric interactions

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Published in 2018 at "Physical Review B"

DOI: 10.1103/physrevb.97.024507

Abstract: Odd-frequency superconductivity describes a class of superconducting states where the superconducting gap is an odd function in relative time and Matsubara frequency. We present a group theoretical ... read more here.

Keywords: gap; superconducting gap; odd even; time ... See more keywords
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Symmetry analysis of current-induced switching of antiferromagnets

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Published in 2018 at "Physical Review B"

DOI: 10.1103/physrevb.98.220412

Abstract: Antiferromagnetic metals have been attracting attention for future spintronics devices since the recent discovery of electric-current-induced antiferromagnetic domain switching. Here, the authors present a general symmetry analysis of current-induced switching of antiferromagnets in a group-theoretical… read more here.

Keywords: analysis current; switching antiferromagnets; induced switching; current induced ... See more keywords
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Symmetry analysis of charmonium two-body decay

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Published in 2023 at "Physical Review D"

DOI: 10.1103/physrevd.107.094009

Abstract: In the light of SU(3) flavor symmetry, the effective interaction Hamiltonian in tensor form is obtained by virtue of group representation theory. The strong and electromagnetic breaking effects are treated as a spurion octet so… read more here.

Keywords: two body; charmonium; symmetry analysis; symmetry ... See more keywords
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N=4 supersymmetric BMS3 algebras from asymptotic symmetry analysis

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Published in 2017 at "Physical Review D"

DOI: 10.1103/physrevd.96.066029

Abstract: We consider three dimensional $N=4$ flat supergravity, with an abelian R-symmetry enhancing the gravitational phase space. We obtain the field configuration whose asymptotic symmetries at null infinity coincide with the centrally extended $N=4$ super Bondi-Metzner-Sachs… read more here.

Keywords: asymptotic symmetry; algebras asymptotic; bms3 algebras; symmetry analysis ... See more keywords
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Design research with the use of visual and symmetry analysis in indigenous woven textiles

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Published in 2023 at "Journal of Applied Crystallography"

DOI: 10.1107/s1600576722011153

Abstract: This research examines a type of traditional handwoven skirt from northern Thailand, with the aim of distinguishing the fabrics made by the faster integrated method from those made by the traditional method. Visual and symmetry… read more here.

Keywords: symmetry analysis; design research; visual symmetry;
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Symmetry analysis and invariant solutions of (3 + 1)-dimensional Kadomtsev–Petviashvili equation

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Published in 2018 at "International Journal of Geometric Methods in Modern Physics"

DOI: 10.1142/s0219887818501256

Abstract: Based on Lie symmetry analysis, we study nonlinear waves in fluid mechanics with strong spatial dispersion. The similarity reductions and exact solutions are obtained based on the optimal system an... read more here.

Keywords: invariant solutions; symmetry analysis; analysis invariant; symmetry ... See more keywords
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Symmetry Analysis, Bäcklund Transformations, and Interaction Solutions for an AB Modified KdV System

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Published in 2020 at "Advances in Mathematical Physics"

DOI: 10.1155/2020/4652126

Abstract: An AB modified KdV (AB-mKdV) system which can be used to describe two-place event is studied in this manuscript. Because the AB-mKdV system is considered as a special reduction of the famous AKNS system, the… read more here.

Keywords: system; interaction solutions; symmetry analysis; mkdv system ... See more keywords