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Da Ghigo alla moglie di Forese, da Rustico a Dante (e a Cavalcanti)
No full textPartendo dal sonetto di Rustico Filippi Io fo ben boto a Dio, il saggio individuala peculiarità dello stile comico duecentesco nel rapporto molto stretto tra te-sto letterario e pubblico comunale. La capacità retorica di Rustico fa sì che que-sto modello testuale finisca col diventare un riferimento nella Firenze di fineDuecento lasciando le proprie tracce in Dante, nel Fioree in Cavalcanti.Taking Rustico Filippi’s sonnet Io fo ben boto a Dioas a point of departure, thisessay identifies the peculiarity of the thirteenth-century comic style in the closerelationship between literary texts and their readers in the age of the commune.This textual model became a point of reference in Florence due to Rustico’srhetorical ability and proved influential for Dante, Cavalcanti and the anony-mous author of Fior
Competition between ferromagnetism and frustrated antiferromagnetism in quasi 2D Ce2.15(Pd1-xAgx)1.95In0.9 alloys
No full textLow temperature thermal and magnetic measurements performed on ferro-magneticl (FM) alloys of composition Ce2.15(Pd1-xAgx)1.95In0.9 are presented. Pd substitution by Ag depresses from 4.1 K down to 1.1 K for x = 0.5, which is related to the increase of band electrons, with a critical concentration extrapolated to . The decrease is accompanied by a weakening of the magnetization of the FM phase. At high temperature (T > 30 K) the inverse magnetic susceptibility reveals the presence of robust magnetic moments ( ), whereas the low value of the Curie-Weiss temperature K excludes any relevant effect from Kondo screening. The specific heat jump at decreases accordingly, while an anomaly emerges at a fixed temperature K. This unexpected anomaly does not show any associated sign of magnetism checked by AC-susceptibility measurements. Since the total magnetic entropy (evaluated around ) practically does not change with Ag concentration, the transference of degrees of freedom from the FM component to the non-magnetic T ∗ anomaly is deduced. The origin of this anomaly is attributed to an arising magnetic frustration of the ground state and the consequent entropy bottleneck produced by the divergent increasing of density of excitations at low temperature
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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