449 research outputs found

    The Interpersonal Circumplex and the Five-Factor Theory of personality as frames of reference

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    This article reviews existing approaches to defining and distinguishing communication styles and proposes a common frame of reference for future research. The literature review yields two schools of thought: the behavior- centered perspective and the personality-oriented perspective. Although these lines of research differ in their ways of defining communication styles, they show considerable similarities with respect to their classification. Many researchers build their taxonomies on two key dimensions: assertiveness and responsiveness. We propose embedding communication styles into the Five-Factor Theory (FFT) and defining them as characteristic adaptations of personality. We also suggest the Interpersonal Circumplex (IPC) as a reference model for distinguishing communication styles as it is able to integrate substantial dimensions and facets of existing taxonomies in a parsimonious way

    The Distribution of Amphipods in Southeastern Minnesota and Their Relation to Water Quality and Land Use

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    The distribution of the amphipods Gammarus pseudolimnaeus and Hyalella azteca was determined from 97 designated trout streams in Minnesota, along with temperature, conductivity, and nitrate levels. Streams were classified into 4 land use/geology groups. G. pseudolimnaeus was found in 11 counties and at 123 of 168 sites in 83 of the 97 streams sampled. Hyalella azteca was found in 7 counties at 26 sites m 21 streams. Spearman rank correlations showed a high degree of correlation between nitrate (range: 0-11 mg N/L), conductivity (range: 325-870 ÎĽS/cm), and geology. The relative abundance of G. pseudolimnaeus was negatively correlated with nitrate, geology groups, and H. azteca relative abundance; G. pseudolimnaeus was most common in low-order streams originating from diffuse springs, and H. Azteca was more common in larger streams. The distribution of G. pseudolimnaeus with its strong correlation to geology may be largely influenced by land use and it may be a good long-term indicator of water quality

    Logarithmic conformal field theories and AdS correspondence

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    We generalize the Maldacena correspondence to the logarithmic conformal field theories. We study the correspondence between field theories in (d+1)-dimensional AdS space and the d-dimensional logarithmic conformal field theories in the boundary of AdSd+1AdS_{d+1}. Using this correspondence, we get the n-point functions of the corresponding logarithmic conformal field theory in d-dimensions.Comment: 10 pages, LaTeX. A paragraph was added. To appear in Int. J. Mod. Phys.

    Using the Red Clover Polyphenol Oxidase Gene to Inhibit Proteolytic Activity in Lucerne

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    Preserving high quality forage in cool humid regions of agricultural production remains a challenge due to potentially high levels of protein degradation during ensiling. Red clover is an exception maintaining its high protein levels during ensiling. Decreased proteolytic activity in red clover is due to polyphenol oxidase (PPO) activity and appropriate o-diphenol substrates (Jones et al., 1995, Sullivan et al., 2004). This work highlights potential strategies for utilising PPO as a means of decreasing proteolytic degradation during the ensiling of lucerne and other forages

    Correlation Functions and AdS/LCFT Correspondence

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    Correlation functions of Logarithmic conformal field theory is investigated using the ADS/CFT correspondence and a novel method based on nilpotent weights and 'super fields'. Adding an specific form of interaction, we introduce a perturbative method to calculate the correlation functions.Comment: 11 pages, 4 figure

    Gravitino Propagator in anti de Sitter space

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    We construct the gauge invariant part of the propagator for the massless gravitino in AdS(d+1) by coupling it to a conserved current. We also derive the propagator for the massive gravitino.Comment: 24 pages; LaTe

    Quarkonium from the Fifth Dimension

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    Adding fundamental matter of mass m_Q to N=4 Yang Mills theory, we study quarkonium, and "generalized quarkonium" containing light adjoint particles. At large 't Hooft coupling the states of spin<=1 are anomalously light (Kruczenski et al., hep-th/0304032). We examine their form factors, and show these hadrons are unlike any known in QCD. By a traditional yardstick they appear infinite in size (as with strings in flat space) but we show that this is a failure of the yardstick. All of the hadrons are actually of finite size ~ \sqrt{g^2N}/m_Q, regardless of their radial excitation level and of how many valence adjoint particles they contain. Certain form factors for spin-1 quarkonia vanish in the large-g^2N limit; thus these hadrons resemble neither the observed J/Psi quarkonium states nor rho mesons.Comment: 57 pages, LaTeX, 5 figure

    Holographic Normal Ordering and Multi-particle States in the AdS/CFT Correspondence

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    The general correlator of composite operators of N=4 supersymmetric gauge field theory is divergent. We introduce a means for renormalizing these correlators by adding a boundary theory on the AdS space correcting for the divergences. Such renormalizations are not equivalent to the standard normal ordering of current algebras in two dimensions. The correlators contain contact terms that contribute to the OPE; we relate them diagrammatically to correlation functions of compound composite operators dual to multi-particle states.Comment: 18 pages, one equation corr., further comments and refs. adde

    New Results on Holographic Three-Point Functions

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    We exploit a gauge invariant approach for the analysis of the equations governing the dynamics of active scalar fluctuations coupled to the fluctuations of the metric along holographic RG flows. In the present approach, a second order ODE for the active scalar emerges rather simply and makes it possible to use the Green's function method to deal with (quadratic) interaction terms. We thus fill a gap for active scalar operators, whose three-point functions have been inaccessible so far, and derive a general, explicitly Bose symmetric formula thereof. As an application we compute the relevant three-point function along the GPPZ flow and extract the irreducible trilinear couplings of the corresponding superglueballs by amputating the external legs on-shell.Comment: v2: reference added, typos corrected v3: sign convention for background changed, agrees with version published in JHE
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