39,477 research outputs found
Erratum to: Effect of moderate red wine intake on cardiac prognosis after recent acute myocardial infarction of subjects with Type 2 diabetes mellitus (Diabetic Medicine, (2006), 23, 9, (974-981), 10.1111/j.1464-5491.2006.01886.x)
No full textIn an article by Marfella et al, the author name C. Saron is incorrect and should be listed as C. Sardu. Therefore the correct author list is: R. Marfella, F. Cacciapuoti, M. Siniscalchi, F. C. Sasso, F. Marchese, F. Cinone, E. Musacchio, M. A. Marfella, L. Ruggiero, G. Chiorazzo, D. Liberti, G. Chiorazzo, G. F. Nicoletti, C. Sardu, F. D'Andrea, C. Ammendola, M. Verza and L. Coppola.In an article by Marfella et al, the author name C. Saron is incorrect and should be listed as C. Sardu. Therefore the correct author list is: R. Marfella, F. Cacciapuoti, M. Siniscalchi, F. C. Sasso, F. Marchese, F. Cinone, E. Musacchio, M. A. Marfella, L. Ruggiero, G. Chiorazzo, D. Liberti, G. Chiorazzo, G. F. Nicoletti, C. Sardu, F. D'Andrea, C. Ammendola, M. Verza and L. Coppola
Sous-facteurs de L(F∞) d'indice 4cos2π/n,n≥3
No full textLet Q be a factor of type II1, λ a number in the Jones discrete series {4cosπ/m:m≥3}, and {ei} the Jones projections associated with λ. Denote by A2n and A1n the finite-dimensional von Neumann algebras generated, respectively, by {1,e2,⋯,en} and {1,e1,⋯,en}, with the corresponding traces. The author shows that, for n sufficiently large, the index of the inclusion An=(Q⊗A2n)∗A2nA1n⊂(Q⊗A2n+1)∗A2n+1A1n+1=An+1 is equal to λ (here ∗ denotes the reduced, amalgamated free product of the algebras in question). Using the random matrix model of Voiculescu, he proves that if Q is the von Neumann algebra L(F∞) of the free group with infinitely many generators, then An is isomorphic to L(F∞).
The two facts together imply the existence, for any λ in the Jones discrete series, of an irreducible subfactor of L(F∞) of index λ. This constitutes the first example of a nonhyperfinite, non-Γ II1 factor such that its Jones invariant is fully computable (the existence of nonirreducible subfactors of L(F∞) for any index ≥4 is a simple consequence of known results)
Managing the archaeological Chain in China. Between happy ending and organizational Challenges
No full textLuoyang, China, Ju1y 2002: while making explorative excavation to authorize the construction of a parking lot in the Royal Capital Square, the Archaeological Team of Luoyang Municipality discovered 397 Eastern Zhou tombs and 18 horse-and-chariot burial pits of Eastern Dynasty. “The mysterious find was preserved perfectly, with six horse skeletons still tied to the chariot they were pulling...” (Daily Mail, 17 august 2006). The initial decision to build a parking lot in the area was suddenly stopped and turned in the construction of a new museum, opened in October 2003, to preserve and exhibit the charming archaeological findings.
Few countries boast a history which is as long and rich as China’s; at the same time, few countries are undergoing economic transformation processes comparable to that which China is currently experiencing. The last few years have yielded a strong dynamic of archeological discoveries, both for the intrinsic historical wealth of the country, as well as for the sustained rhythm of the construction activity. New managerial problems accompany such a process, calling for a profound understanding to help sustainable development.
The paper is based on in depth field research in China by two Italian heritage management researchers. Starting from the “Eastern Zhou Horse and Chariot Pits Museum” event – a happy ending case of heritage preservation in such a complex process of development – it investigates several aspects of the Chinese “archaeological chain”, from discovery to museum running. Both curatorial and administrative elements are involved in the analysis, with the emerging of peculiar Chinese dynamics, as specific features of more general, i.e. worldwide, professional and managerial problems and challenges
Politica e amministrazione, tra etica, managerialità e responsabilità
No full textIl volume raccoglie le versioni, approfondite e rielaborate, delle relazioni discusse in occasione del convegno dal titolo “Politica e amministrazione. Etica, managerialità e responsabilità”, organizzato in onore di Gianfranco D’Alessio. L’oggetto di analisi, la dirigenza amministrativa, è discusso e analizzato, da un lato, in relazione ai principi costituzionali di imparzialità e di buon andamento della Pubblica Amministrazione e, dall’altro, al rapporto che questa instaura con gli organi politici. Il tema è affrontato con approcci variegati e da prospettive molteplici, secondo una impostazione che riflette la pluralità delle competenze e delle esperienze, professionali ed accademiche di ciascun autore.The volume collects the expanded and revised versions of the presentations discussed during the conference titled "Politics and Administration. Ethics, Managerialism, and Accountability," organized in honour of Gianfranco D’Alessio. The focus is on administrative leadership, discussed and analysed from two perspectives. Firstly, in relation to the constitutional principles of impartiality and good administration. Secondly, with reference to the relationship it establishes with political bodies. The topic is approached from various angles and multiple perspectives, reflecting the diversity of skills and experiences, both professional and academic, of each author
Lissodendoryx (Anomodoryx) vulcanus Cavalcanti, Santos & Pinheiro 2014
No full textLissodendoryx (Anomodoryx) vulcanus Cavalcanti, Santos & Pinheiro, 2014 (Figure 3) Lissodendoryx (Anomodoryx) vulcanus Cavalcanti et al. (2014): p. 497. Examined material: UFPEPOR 3249, off Boa Viagem Beach (8° 9’ 9” S, 34° 45’ 8” W, Recife, Pernambuco, Brazil), 27 m depth, dredging, st. IV, coll. Recife Expedition (Jan/19/1967). Description: External morphology (Fig 3A): Fragmented specimen, largest fragment measuring 6 cm. Thin transparent peelable film on the ectosome. Smooth surface, fragile consistency, oscules were not observed. Color is beige when preserved (80% ethanol), color in life is unknown. Skeleton (Fig 3B): Ectosome consists of a palisade of tylotes forming a detachable film, with abundant spongin fibers. Choanosomal skeleton a dense, albeit loose reticulation of tylotes, with raphides strewn in confusion in between. Microscleres irregularly distributed. Spicules (Fig 3C–F). Tylotes (293– 448.4 –525 / 4– 5.6 –7 µm): thin, smooth, curved to sinuous, rounded tyles, with slight prominence, sometimes styloid or strongyloid (Fig 3C). Raphides (68– 111.9 –124 µm): elongated, thin, straight to slightly curved, smooth, needle-like tips (Fig 3D). Arcuate isochelae (14– 18.5 –27 µm): slightly curved axis, short and curved alae (Fig 3E). Sigmas (24– 36.7 –46 µm): thin, smooth, curved, “C”-shaped (Fig 3F). Ecology: The specimen was collected by dredging off Boa Viagem Beach (Recife, Pernambuco State, Brazil), at 27 m depth, on sandy bottom. The specimen was associated with Tedania (Tedania) ignis (Duchassaing & Michelotti, 1864). Geographic distribution: Brazilian endemic registered from Rio Grande do Norte State (Cavalcanti et al. 2014), and now from Pernambuco State (present study). Remarks: The analyzed specimen was assigned as a member of the subgenus L. (Anomodoryx) because it has only tylotes as megasclere. From this, it was identified as L. (Anomodoryx) vulcanus due to its skeletal architecture and spicular set being similar to that exhibited by the holotype (Cavalcanti et al. 2014). Because the present materials comprise only fragments, it was not possible to observe the morphological characteristics described for the holotype from Rio Grande do Norte State. With this record, we expand the bathymetric occurrence to shallower waters (27 m depth), previously only known from 108 m depth (Cavalcanti et al. 2014).Published as part of Barros, Thales, Cavalcanti, Thaynã, Hajdu, Eduardo & Pinheiro, Ulisses, 2023, Lissodendoryx Topsent, 1892 (Poecilosclerida: Coelosphaeridae) from Brazil: a new species and transfer of Strongylacidon oxychaetum Menegola, Santos, Moraes & Muricy, 2012 to the genus Lissodendoryx, pp. 401-412 in Zootaxa 5336 (3) on pages 405-406, DOI: 10.11646/zootaxa.5336.3.6, http://zenodo.org/record/828171
Anheteromeyenia diamantina Calheira & Pinheiro 2018, sp. nov.
No full textAnheteromeyenia diamantina sp. nov. Type locality. Poço Halley, Lençóis, Chapada Diamantina, Bahia State, Brazil. Material Studied. Holotype. UFPEPOR 2061, Poço Halley, Lençóis, Bahia, Brazil, (12°33’47.9”S 41°23’46.3”W), coll. Calheira, L. 31.xii.2015. Paratypes. UFPEPOR 2062, coll. L. Calheira, 31.xii.2015; UFPEPOR 2063, 2064, 2065, coll. F. Andrade, 31.xii.2015 (collected together with the holotype). Diagnosis. One category of megascleres (exclusively smooth oxeas); microscleres absent; acanthoxea and acanthostrongyle gemmuloscleres radially embedded in the gemmular theca, emerging more or less from the inner layer according to their different levels of insertion. Description of holotype. UFPEPOR 2061 encrusting, less than 10 mm thick. Hispid surface. Oscules inconspicuous. Colour in life green turning creamy white after preservation in ethanol 70%. Consistency soft, compressible and fragile. Spicules. Megascleres oxeas (267–335.1–406 / 10–13.1–16 µm), microscleres absent, gemmuloscleres acanthoxeas (161–172.3–180 / 6–7–10 µm) and acanthostrongyles (100–146–177 / 6–7–10 µm). Gemmules scattered throughout the sponge (567–689.9–867 µm in diameter) (Table 1). Description. Sponge encrusting to massive. Surface hispid with inconspicuous oscules. Colour green in vivo, creamy white in ethanol 70% (Fig. 2). Consistency soft, compressible and fragile. Spicules. Megascleres oxeas (232–320.3–406 / 8–11.5–16 µm), smooth, straight to slightly curved, gradually pointed (Fig. 3A); microscleres absent; gemmuloscleres acanthoxeas (105–152.2–193 / 5–6.9 –10 µm) (Fig. 3B,D) and acanthostrongyles (77– 123.3–177 / 5–6.6–10 µm), straight shaft, entirely spined with a variable number of spines, usually more abundant and larger at the tips (Fig. 3C,E). Spines straight (predominantly) or curved (rarely), curved ones occur mainly towards the center of the spicule; straight ones in the center of the spicule. Gemmules (533–700.3–867 µm in diameter) abundant, spherical, scattered throughout the sponge body (Fig. 4A, B). Foramen simple, short tube without colar, contained inside a conical concavity of the pneumatic layer (Fig. 4C). Gemmular theca tri-layered: thin inner layer, thick pneumatic layer and inconspicuous outer layer (Fig. 4D). Gemmuloscleres radially embedded in the gemmular theca, emerging from the inner layer according to their different levels of insertion (Fig. 4B). Ecology. Specimens were collected on rocky substrate in shallow and turbid waters, with depth ranging from 10 cm to 1 m. Gemmules were often abundant. Etymology. The specific epithet refers to the type locality, at Chapada Diamantina, northeast Brazil.Published as part of Calheira, Ludimila & Pinheiro, Ulisses, 2018, A new species of Anheteromeyenia (Porifera, Demospongiae) with an emended diagnosis of the genus, pp. 129-136 in Zootaxa 4378 (1) on pages 131-133, DOI: 10.11646/zootaxa.4378.1.9, http://zenodo.org/record/116813
Biogas production from dairy cattle manure, under organic and conventional production systems.
No full textThe purpose of this study was to evaluate the production of biogas, as well as the biogas production potential resulting from the anaerobic biodigestion of dairy cattle manure under organic (CMOS) and conventional (CMCS) production system. Also, the concentration of thermotolerant coliforms was evaluated after the biodigestion process. Therefore, bench biodigesters prototypes were supplied with CMOS and CMCS for 30 weeks. The experimental design was completely randomized with four repetitions for each treatment. Analysis of total solids (TS), volatile solids (VS), biogas production potential, most probable number (MPN) of thermotolerant coliforms were made. The cumulative biogas production was 6.18 L and 11.15 L, when using the CMOS and CMCS, respectively. Average biogas production potential of CMCS were 0.2; 2.6 and 2.9 L kg-1 substrate, ST and SV added, respectively and for CMOS 0.1; 1.4 and 1.9 L kg-1substrate, ST and SV added, respectively. After the anaerobic biodigestion process of CMOS and CMCS, it was observed that the concentrations of thermotolerant coliforms were well below than the limit established by law
Logarithmic variance profiles and the corresponding f-1 spectra of temperature fluctuations in turbulent Rayleigh-Bénard convection
No full textWe report experimental results for the temperature variance 2(z) and the corresponding frequency spectra P(f) in turbulent Rayleigh-Bénard convection (RBC) in a cylindrical sample of aspect ratioT= D/L = 1:00 (D = 1:12 m is the diameter and L = 1:12 m the height). The measurements were conducted in the Rayleigh-number range 1011 < Ra < 1:35 1014 and Pr ' 0:8. For Ra = 1:35x1014, 2(z) could be described well by a logarithmic dependence on the vertical position z in a range of z 1 < z < z 2 with z 1 ' 70 and z 2 = 0:1L. Here L=(2Nu) is the thickness of a thin thermal sublayer adjacent to the horizontal plate where the heat flux (denoted by the Nusselt number Nu) is carried mostly by thermal diffusion. In the log layer, we found that the temperature spectra had a significant frequency range over which P(f) f with close to 1. As Ra decreased, increased so that the log layer became thinner. At Ra = 2:05 1011, z 2 < z 1 and therefore there was no range for a log layer. Correspondingly, the temperature spectrum near the horizontal plate did not have the f1 scaling form either
FIGURE 7. Acarnus innominatus Gray, 1867 in A new species of Acarnus Gray, 1867 (Porifera, Demospongiae, Acarnidae) from NE Brazil
No full textFIGURE 7. Acarnus innominatus Gray, 1867 (UFPE 4279). A, Style. B, Tylote. C, Detail of Style. D, Detail of tylote. E, Cladotylote I. F,F' and F" growth forms of Cladotylote I. G, Cladotylote II. H, detail of the spined shaft of cladotylote II. I, Oxhorn toxa. J, Thin deeply curved toxa. K, Accolada toxa. L, Isochelae. Scale: A, B, E, G, 50 μm; C, D, F, F', F", H, L, 10 μm G, I, J, K, 20 μm.Published as part of Nascimento, Elielton & Pinheiro, Ulisses, 2023, A new species of Acarnus Gray, 1867 (Porifera, Demospongiae, Acarnidae) from NE Brazil, pp. 521-540 in Zootaxa 5293 (3) on page 536, DOI: 10.11646/zootaxa.5293.3.5, http://zenodo.org/record/796143
l-modular blocks of Rep_k(SL_n(F))
No full textLet F be a non-archimedean local field with residual characteristic p, and k an algebraically closed field with characteristic l, where l different from p. Let Rep_k(SL_n(F)) be the category of smooth k-representations of SL_n(F). In this work, we establish the block decomposition of Rep_k(SL_n(F)) under the condition that p does not divide the order of the Weyl group of SL_n(F).Affiliation changed. The author corrects some errors in section 4 and section 5 in the previous versio
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