“Lo natural”, “lo cultural” y la traducción relacional una metateoría para comprender la poética de Liliana Bodoc en Tiempo de Dragones; “The natural”, “the cultural”, and relational translation : a metatheory for understanding Liliana Bodoc’s poetics in Tiempo de Dragones Arrizabalaga, Maria Ines Este articulo propone demostrar que en la novela Tiempo de Dragones de Liliana Bodoc se plantean diversas confrontaciones tópicas en la representación del “mundo natural” frente al “mundo cultural”; asimismo, la dialéctica entre lo natural y lo cultural se advierte en procedimientos de traducción de modelos, traducción cultural y traducción intersemiótica. Como conclusión de este análisis descriptivo, puede afirmarse que la representación de tales procedimientos de traducción permite postular una “ecología de la traducción”, en que el conocimiento del medio sólo es posible en el efecto de “ensamble de la traducción”; además, dicho análisis aporta un sustrato argumental válido para reconocer en la representación de procedimientos de traducción, así como en el estudio del medio de ocurrencia de tales procedimientos y en el efecto de ensamble que deviene, hechos de “traducción relacional”.; This article seeks to show that in Liliana Bodoc’s novel Tiempo de Dragones several topic oppositions are put forward in the representtation of “the natural world” and “the cultural world”; besides, the dialectics between “the natural” and “the cultural” can be viewed in procedures of model translation, cultural translation and intersemiotic translation. As a conclusion to this descriptive analysis, it can be stated that the representation of such translation procedures allows to propose “an ecology of translation” in which knowledge of the environment is only made possible after “the translation ensemble” effect; furthermore, the analysis provides argumentative grounding to acknowledge occurrences of “relational translation” both in the representation of translation procedures, and in the environment where such procedures and the ensuing ensemble effect happen.

Microfísica de las normas escolares: El caso del Organizador Escolar en una escuela secundaria neuquina Da Silva, Maria Lucila; Roldan, Cecilia Soledad; Machado, Luciana Ayelen Este escrito muestra la indagación de un proyecto desarrollado en una escuela secundaria neuquina denominado "Organizador Escolar" que da lugar a un trabajo sobre la normatividad escolar. Abordamos los proyectos escolares entendidos como dispositivos, lo cual implica focalizar el análisis en tres superficies: la del proyecto institucional; la de los sujetos vistos como sujetos-de-derecho y la tercera, vinculada a la microfísica de la norma (Foucault, 2001). Esto nos lleva a decir que dicha normatividad no sólo interviene a los sujetos en la vida cotidiana, sino que produce a esos sujetos, sus cuerpos, sus marcos de referencia, sus nociones morales, etc. El OE es abordado en tres dimensiones que evidencian el recorrido en nuestro propio proceso de indagación. La primera vinculada a la función normativo-disciplinaria de este dispositivo, otra que intenta delinear la producción de fronteras escolares y la última que muestra el modo en que se configura el lugar de la familia en el OE y la inscripción institucional de los jóvenes como estudiantes que éste habilita. Sostenemos, como hipótesis, que la potencia de este dispositivo se vincula a la explicitación de ciertos códigos de la escuela secundaria que habilita la trayectoria de públicos tensionan el canon tradicional.; This paper shows the investigation of a project developed in a Neuquen secondary school called “School Organizer”, which enables an analysis of school regulations. We approach school projects understood as devices, which involves focusing the analysis on three surfaces: the one of the institutional project; the one of the subjects seen as subjects-of-right and the third one, related to the microphysical dimension of the norm. This leads us to say that such normativity not only interpellates subjects in everyday life, but produces those subjects, their bodies, their frames of reference, their moral notions. The OE is addressed in three dimensions that evidence the path in our own process of inquiry. The first one related to the normative/disciplinary function of this device; another one that tries to delineate the production of school borders and the last one that shows the way in which family position is configured and the institutional inscription of young people as students that the OE enables. We argue, as a hypothesis, that the power of this device is linked to the explicitness of certain secondary school codes that enables the trajectory of a public which do not respond to the traditional canon.

Anisotropía de susceptibilidad magnética y paleomagnetismo en la Formación Lolén de edad devónica: Sierras Australes de la provincia de Buenos Aires; Anisotropy of magnetic susceptibility and paleomagnetism in thedevonian Lolén Formation, Sierras Australes of Buenos Aires Province Tomezzoli, Renata Nela; Arzadún, Guadalupe; Cristallini, Ernesto Osvaldo La Formación Lolén, de edad devónica, aflora en el ámbito geológico de las Sierras Australes de la provincia de Buenos Aires. La evolución geológica de esta región sigue siendo en la actualidad motivo de debate. En este trabajo se presentan los resultados de anisotropía de susceptibilidad magnética y paleomagnetismo. Los muestreos se realizaron dentro de la estancia Las Acacias cuya posición geográfica es 38° 04,2’ latitud Sur y 61° 52,76’ longitud Oeste. En la Formación Lolén fue posible aislar una magnetización preliminar postectónica de edad pérmica. Esto pone en evidencia la apertura del sistema magnético con posterioridad a su plegamiento. La fábrica magnética es de tipo oblada de origen tectónico e indica una dirección de máxima compresión SO-NE que está relacionada con los planos de clivaje que cortan a las estructuras de plegamiento previas. El hecho de que estas rocas sean portadoras de una magnetización postectónica pérmica, así como de una fábrica magnética tectónica, estaría indicando la superposición de diferentes eventos de deformación coaxiales, que podrían haber comenzado durante el Devónico Medio a Tardío, como consecuencia de la colisión de Chilenia y Patagonia con Gondwana y acomodado la deformación postcolisional compresiva con movimientos latitudinales, hasta el Pérmico.; The Lolén Formation, of devonian age, outcrops in the Sierras Australes area of the Buenos Aires Province. The geological evolution of this region is still a subject of debate. In this work, anisotropy of magnetic susceptibility and paleomagnetism results are presented. The samples were taken from the Las Acacias farm. The geographic position is 38° 04,2´ South Latitude and 61° 52,7’ West Longitude. In the Lolén Formation was possible to isolate a preliminary postectonic magnetization with Permian age. This shows the opening of the magnetic system after its folding. The petrofabric is oblate by tectonic origin and indicates a SO-NE maximum compression direction related to the cleavage planes that cut the previous folding structures. The fact that these rocks are carriers of a postectonic magnetization, as a tectonic magnetic fabric, would indicate the overlap of different coaxial deformation events that could have started during Medium to Late Devonian. The deformation events could be a consequence of the collision of Chilenia and Patagonia against Gondwana and by postcolisional compressive deformation accommodation with latitudinal movements up to the Permian.

Anisotropía de susceptibilidad magnética y paleomagnetismo en la Formación Lolén de edad devónica: Sierras Australes de la provincia de Buenos Aires; Anisotropy of magnetic susceptibility and paleomagnetism in thedevonian Lolén Formation, Sierras Australes of Buenos Aires Province Tomezzoli, Renata Nela; Arzadún, Guadalupe; Cristallini, Ernesto Osvaldo La Formación Lolén, de edad devónica, aflora en el ámbito geológico de las Sierras Australes de la provincia de Buenos Aires. La evolución geológica de esta región sigue siendo en la actualidad motivo de debate. En este trabajo se presentan los resultados de anisotropía de susceptibilidad magnética y paleomagnetismo. Los muestreos se realizaron dentro de la estancia Las Acacias cuya posición geográfica es 38° 04,2’ latitud Sur y 61° 52,76’ longitud Oeste. En la Formación Lolén fue posible aislar una magnetización preliminar postectónica de edad pérmica. Esto pone en evidencia la apertura del sistema magnético con posterioridad a su plegamiento. La fábrica magnética es de tipo oblada de origen tectónico e indica una dirección de máxima compresión SO-NE que está relacionada con los planos de clivaje que cortan a las estructuras de plegamiento previas. El hecho de que estas rocas sean portadoras de una magnetización postectónica pérmica, así como de una fábrica magnética tectónica, estaría indicando la superposición de diferentes eventos de deformación coaxiales, que podrían haber comenzado durante el Devónico Medio a Tardío, como consecuencia de la colisión de Chilenia y Patagonia con Gondwana y acomodado la deformación postcolisional compresiva con movimientos latitudinales, hasta el Pérmico.; The Lolén Formation, of devonian age, outcrops in the Sierras Australes area of the Buenos Aires Province. The geological evolution of this region is still a subject of debate. In this work, anisotropy of magnetic susceptibility and paleomagnetism results are presented. The samples were taken from the Las Acacias farm. The geographic position is 38° 04,2´ South Latitude and 61° 52,7’ West Longitude. In the Lolén Formation was possible to isolate a preliminary postectonic magnetization with Permian age. This shows the opening of the magnetic system after its folding. The petrofabric is oblate by tectonic origin and indicates a SO-NE maximum compression direction related to the cleavage planes that cut the previous folding structures. The fact that these rocks are carriers of a postectonic magnetization, as a tectonic magnetic fabric, would indicate the overlap of different coaxial deformation events that could have started during Medium to Late Devonian. The deformation events could be a consequence of the collision of Chilenia and Patagonia against Gondwana and by postcolisional compressive deformation accommodation with latitudinal movements up to the Permian.

La reconsideración de la ira como emoción política: Sobre Anger and Forgiveness de Martha Nussbaum; Reconsidering Anger as a Political Emotion: On Martha Nussbaum’s Anger and Forgiveness Sáenz, María Jimena Esta nota crítica analiza la perspectiva que Martha Nussbaum presenta sobre la emoción de la ira en su último libro Anger and Forgiveness. Resentment, Generosity, Justice (2016). Para ello sitúo esta obra en el contexto del proyecto filosófico de la autora y señalo algunos cambios y continuidades en su análisis de la ira; después reviso a la luz de este nuevo libro algunas de las críticas que, centradas en la reivindicación de la ira, ha recibido su propuesta de una cultura política centrada en las emociones “humanizadoras”.; This critical note examines Martha Nussbaum’s perspective on anger presented in her last book Anger and Forgiveness. Resentment, Generosity, Justice (2016). I place this book in the context of Nussbaum’s philosophical project in order to trace changes and continuities in her views on anger, and then I examine some criticisms that have been held against her proposal of a political culture based on humanizing emotions based on the vindication of anger.

Entierros antiguos y alteraciones modernas Zubimendi, Miguel Angel En este trabajo se brinda una reflexión sobre la situación de una pequeña isla ubicada en la costa de Santa Cruz, en la cual existe un interesante registro arqueológico. En la isla Liebres hemos registrado 30 estructuras de entierro conformadas por acumulaciones de piedras, comúnmente conocidas como chenques. El registro arqueológico se halla hoy en día muy amenazado por el uso, desde hace pocos años, de la isla como lugar de esparcimiento y campamento sin ningún tipo de control. Esto ha llevado a que se construyen nuevas estructuras de piedra, como fogones para hacer asados, así como la modificación de chenques y una importante contaminación con basura. El acelerado deterioro del paisaje arqueológico y natural de isla Liebres nos interpela a interactuar con distintos actores para frenar este proceso.

Optimization of reactive extraction of C1–C4 aliphatic monocarboxylic acids from aqueous solutions: modeling solvation effect with extended-LSER, A-UNIFAC and SPR Senol, Aynur; Çehreli, Süheyla; Özparlak, Nur; Andreatta, Alfonsina Ester This paper studies reactive extraction of formic (FA), acetic (AA), propionic (PA) and butyric (BA) acids from aqueous solutions by tri-n-butyl amine/diluent, with particular focus on proper optimization and modeling of extraction equilibria. The uptake capacities of amine/diluent and diluent alone approximate the following order: oleyl alcohol > octyl acetate > diisobutyl ketone and BA > PA > AA ≈ FA. An intrinsic optimization structure has been applied to the description of optimum extraction field of relevant systems, based on analyzing the variation profiles of separation ratio R and synergistic enhancement SE factors through the derivative variation method. We present new solvation molecular models extended-linear solvation energy relation (e-LSER), SPR1 and SPR2 (solvation probability relation), and an extension to group-contribution approach A-UNIFAC (Association-UNIFAC). A-UNIFAC predicts phase equilibria using new group interaction parameters regressed from vapor-liquid equilibrium data. The e-LSER model involves eight descriptors used for expressing solvent effects. By performing SPR1 and SPR2, we are able to scale up the probability range and activation energy of solvation effect. The strength of acid-amine association is calculated with chemodel. e-LSER, A-UNIFAC, SPR and chemodel simulate accurately the observed performance with average deviations inferior to 4.8%, 24.1%, 0.8% and 16.2%, respectively.

Ultracompact states of native proteins Grille Coronel, Leandro; Acierno, Juan Pablo; Ermacora, Mario Roberto A statistical analysis of circa 20,000 X-ray structures evidenced the effects of temperature of data collection on protein intramolecular distances and degree of compaction. Identical chains with data collected at cryogenic ultralow temperatures (≤160 K) showed a radius of gyration (Rg) significantly smaller than at moderate temperatures (≥240 K). Furthermore, the analysis revealed the existence of structures with a Rg significantly smaller than expected for cryogenic temperatures. In these ultracompact cases, the unusually small Rg could not be specifically attributed to any experimental parameter or crystal features. Ultracompaction involves most atoms and results in their displacement toward the center of the molecule. Ultracompact structures on average have significantly shorter van der Waals and hydrogen bonds than expected for ultralow temperature structures. In addition, the number of van der Waals contacts was larger in ultracompact than in ultralow temperature structures. The structure of these ultracompact states was analyzed in detail and the implication and possible causes of the phenomenon are discussed.

Expression of the mRNA stability regulator Tristetraprolin is required for lactation maintenance in the mouse mammary gland Goddio, Maria Victoria; Gattelli, Albana; Tocci, Johanna Melisa; Perez Cuervo, Lourdes; Stedile, Micaela Nadia; Stumpo, Deborah; Hynes, Nancy; Blackshear, Perry; Meiss, Roberto P.; Kordon, Edith Claudia Tristetraprolin (TTP), an mRNA-binding protein that negatively controls levels of inflammatory factors, is highly expressed in the lactating mouse mammary gland. To determine the biological relevance of this expression profile, we developed bi-transgenic mice in which this protein is specifically down-regulated in the secretory mammary epithelium in the secretory mammary epithelium during lactation. Our data show that TTP conditional KO mice produced underweight litters, possibly due to massive mammary cell death induced during lactation without the requirement of additional stimuli. This effect was linked to overexpression of inflammatory cytokines, activation of STAT3 and down-regulation of AKT phosphorylation. Importantly, blocking TNFa activity in the lactating conditional TTP KO mice inhibited cell death and similar effects were observed when this treatment was applied to wild-type animals during 48 h after weaning. Therefore, our results demonstrate that during lactation TTP wards off early involution by preventing the increase of local inflammatory factors. In addition, our data reveal the relevance of locally secreted TNFa for triggering programmed cell death after weaning.

Differences in seed dormancy associated with the domestication of Cucurbita maxima: Elucidation of some mechanisms behind this response Martinez, Analia Beatriz Luján; Lema, Veronica Soledad; Capparelli, Aylen; Lopez Anido, Fernando Sebastian; Benech-Arnold, Roberto Luis; Bartoli, Carlos Guillermo This work presents the results of physiological studies developed to understand modifications linked to the reduction of seed dormancy provoked by domestication processes. The experiments performed compared wild and domesticated Cucurbita subspecies and their hybrids developed by reciprocal crossings. Seeds of two accessions of the wild subspecies presented dormancy, but it was largely reduced in seeds from the domesticated genotype, and partially reverted in hybrids, especially in those obtained when the domesticated genotype was used as the mother plant. In addition, naked embryos of all subspecies did not display dormancy when incubation was performed at 28°C, but embryo germination was progressively reduced only in the wild genotype under decreasing incubation temperatures (22 and 16°C). In the embryos, abscisic acid (ABA) concentrations were similar in both domesticated and wild subspecies, whereas in the seed coat, it was threefold higher in the wild subspecies. The naked embryos from the wild subspecies were far more responsive to ABA than those from the domesticated subspecies. These results indicate that dormancy in the wild subspecies is imposed by the seed coat tissues and that this effect is mediated by their high ABA content and the sensitivity of the embryos to ABA. These physiological aspects were apparently removed by domestication along with the temperature-dependent response for germination.

Layered double hydroxide nanoparticles customization by polyelectrolyte adsorption: mechanism and effect on particle aggregation Vasti, Cecilia; Borgiallo, Andres; Giacomelli, Carla Eugenia; Rojas Delgado, Ricardo Adsorption of polyelectrolytes (PEs) is a common strategy for stabilizing nanoparticles and customizing their properties. Although scarcely explored for layered double hydroxide nanoparticles (LDH-NPs), it can be used to increase their functionality in pharmaceutical and biomedical applications, among others. In this work, LDH-NPs intercalated with chloride, ibuprofen and ketoprofen were synthesized and modified with carboxylate containing PEs with different structures and physicochemical properties. The PEs adsorption mechanism on LDH-NPs and its effect on the aggregation of the obtained hybrids were studied by zeta potential and hydrodynamic diameter determinations on chloride intercalated LDH-NPs dispersions in the presence of polyacrylate (PA) at different concentrations. PA adsorption behavior was compared to that of citrate anion to contrast the adsorption mechanism of PEs and anions. Afterwards, the study was extended to other PEs (alginate and carbomer) as well as to drug intercalated LDH-NPs. PA adsorbed at the surface of LDH-NPs with high affinity: at low concentrations, PA was irreversibly adsorbed due to the positive structural charge of LDH-NPs and the flexible and negatively charged structure of PA. This high affinity caused a particle charge inversion, which results in negatively charged LDH-NPs stabilized by both electrostatic interactions and steric hindrance. Due to their structure, alginate and carbomer showed a lower affinity and, consequently, a lower capacity to produce LDH-NPs disaggregation. Finally, PEs adsorption allowed enhancing the disaggregation and modifying the interfacial properties of both ibuprofen and ketoprofen intercalated LDH-NPs producing only a small release of the drug loading.

Effects of oxidation on the plasmonic properties of aluminum nanoclusters Douglas Gallardo, Oscar Alejandro; Soldano, Germán; Mariscal, Marcelo; Sanchez, Cristian Gabriel The scouting of alternative plasmonic materials able to enhance and extend the optical properties of noble metal nanostructures is on the rise. Aluminum is endowed with a set of interesting properties which turn it into an attractive plasmonic material. Here we present the optical and electronic features of different aluminum nanostructures stemming from a multilevel computational study. Molecular Dynamics (MD) simulations using a reactive force field (ReaxFF), carefully validated with Density Functional Theory (DFT), were employed to mimic the oxidation of icosahedral aluminum nanoclusters. Resulting structures with different oxidation degrees were then studied through the Time-Dependent Density Functional Tight Binding (TD-DFTB) method. A similar approach was used in aluminum nanoclusters with a disordered structure to study how the loss of crystallinity affects the optical properties. To the best of our knowledge, this is the first report that addresses this issue from the fully atomistic time-dependent approach by means of two different and powerful simulation tools able to describe quantum and physicochemical properties associated with nanostructured particles.

Una reforma neoliberal de la UNC: mercantilización de educación superior en edX-UNCordobaX Torrano, María Andrea; Pagano, Miguel Maria El 21 de marzo de 2017, luego de un debate en el Consejo Superior, la UNC se incorporó al Consorcio edX fundado en 2012 por la Universidad de Harvard y el MIT (Massachusetts Institute of Technology). edX es un proyecto destinado a la educación "masiva, abierta y gratuita" a través de cursos online (MOOC) disponibles en el sitio edx.org. Dicho consorcio está compuesto por alrededor de 100 instituciones, entre universidades de distintas partes del mundo, empresas (como Microsoft) y organismos internacionales (FMI, Banco Mundial, BID).Algunos de los argumentos en el Consejo Superior para la incorporación de la UNC en este conglomerado incluyeron la actualización de la educación mediante la aplicación de nuevas tecnologías y de entornos educativos (cursos virtuales) sin costo y el posicionamiento de la UNC dentro del contexto mundial (medido a través de rankings internacionales). Sin embargo muchos son los elementos que nos hacen advertir que más que contribuir a garantizar el carácter público y gratuito de la enseñanza universitaria (art. 2 y 2 bis Ley 24.521 modificada en 2015), nos encontramos frente a un fenómeno encubierto de mercantilización de la educación y de pérdida de autonomía universitaria.

El equinodermo Gogia granulosa (Echinodermata: Blastozoa) del Cámbrico temprano-medio en Sonora, México: Paleoecología y paleogeografía; The echinoderm gogia granulosa (Echinodermata: Blastozoa) of early-mid cambrian in Sonora, Mexico: Paleoecology and paleogeography Buitrón Sánchez, B.A.; Cuen Romero F. J.; Montijo González, A,; Beresi, Matilde Sylvia Blastoids of Gogia granulosa Robison, 1965 and Gogia sp. have previously been reported from San Jose de Gracia, Sonora, Mexico. Here we report on the implications of their presence in limestone, shale, and sandstone from the lower-middle Cambrian of that site. The biotic association consists of blastoids, as well as trilobites (Onchocephalus, Bonnia, Bristolia, Olenellus), hyolithids (Hyolithes, Haplophrentis), sponges, algae and ichnofossils of echinoderms (Asteriacites, Asterosoma). The community suggests that the depositional environment was a carbonated platform of tropical, shallow sea, with well oxygenated water. The biota belonged to a large faunistic province that comprised parts of Canada, USA and Mexico (Panthalassic Ocean).

A cost reduction procedure for control-restricted nonlinear systems Gómez Múnera, John Anderson; Rivadeneira Paz, Pablo Santiago; Costanza, Vicente This paper describes a numerical scheme to approximate the solution of the optimal control problem for nonlinear systems with restrictions on the manipulated variables. The method proposed here systematically reduces the cost associated with successively updated control strategies after proposing an initial seed trajectory. It follows two main lines of reasoning, the first one relying on linearizations around a seed state/control trajectory and exploiting a theoretical expression for the increment of the cost. This setup is valid in regular situations, and it can be used when saturations occur after some adaptations. One of its advantages is that the decreasing of the cost can be assessed without integrating numerically the nonlinear dynamics. However, and because of the constraints, eventually this method fails, and an alternative approach must be activated to continue decreasing the cost. The alternative approach is based on specific control variations of the current control strategy, and it is activated depending on two theoretical criteria (failure alert) developed here. The first control variation proposed is derived from the differential Riccati equation for the linearized system and appropriate quadratic cost functions. Other variations, similar to those used in Pontryagin theorem for generating the final cone of states, are proposed by modifying the locations of ‘switching times’, producing oscillations in the interior of regular periods. The performance of the numerical proposed method and the related mathematical objects are illustrated by optimizing two-dimensional nonlinear systems with a scalar bounded control.

Marco jurídico de la gestión internacional de las unidades subestatales. Un estudio comparado de Argentina, Bolivia y Chile; Legal framework for the substates international management. A comparative study between Argentina, Bolivia and Chile Juste, Stella Maris Los cambios acaecidos en el sistema internacional y el posicionamiento de las unidades subestatales como actores del mismo trae a escena el replanteamiento del rol del Estado en las relaciones internacionales. El presente trabajo investigativo se ocupará de analizar cómo se configura la gestión internacional de las unidades subestatales de acuerdo al marco jurídico estatal. A los efectos de esta investigación se analizarán los casos de Argentina, Bolivia y Chile, haciendo especial referencia a las unidades subestatales de Jujuy, Tarija y Tarapacá respectivamente. En tal sentido las preguntas que guían la investigación son: ¿En qué marco se configura la gestión internacional de las unidades subestatales? ¿Reconoce el Estado la gestión internacional de las unidades que lo conforman? ¿De qué manera lo hace? ¿Qué tipo de relación se plantea entre el Estado y las unidades subestatales? La capacidad de las unidades subestatales para actuar de manera directa en el plano internacional ha sido reiteradamente reconocida, pero su fundamento jurídico se encuentra disperso a lo largo de las normas legales de cada Estado y debe ser inferido del contexto, lo que implica que no existe un cuerpo legal genérico que determine de forma explícita en qué forma pueden o no actuar internacionalmente las unidades subestatales. De esta manera, la inserción internacional de las unidades subestatales se verá afectada por el grado de autonomía que le otorgue el marco constitucional del Estado que conforman y por el marco de la política exterior.; The befallen changes within the International System and the placement of sub-state units as performers in the same reassessment stage of the State’s role in International Affairs. The current research work will analyze how the international management of sub-state units is set according to the State’s legal framework. The cases of Argentina, Bolivia and Chile will be analyzed with special reference to the sub-units of Jujuy, Tarija and Tarapacá, accordingly. The inquiries that serve as a guideline are: In which framework is the international management of sub-state units set? Is the international management of those component units recognized by the State? How is it acknowledged? What kind of relation is raised between the State and sub-state units? The sub-state units ability to act directly with the international level has been acknowledged repeatedly, but its legal grounds are scattered among the framework legislation of each State and has to be inferred by context, which implies that there’s no legal text that determines explicitly how are the sub-state units to act or not internationally. Thus, the international insertion of sub-state units will be affected by the autonomy level given by the legal framework from eachState and that of foreign policy.

Jump events in a 3D Edwards-Anderson spin glass Mártin, Daniel Alejandro; Iguain, Jose Luis The statistical properties of infrequent particle displacements, greater than a certain distance, are known as jump dynamics in the context of structural glass formers. We generalize the concept of a jump to the case of a spin glass, by dividing the system into small boxes, and considering the infrequent cooperative spin flips in each box. Jumps defined this way share similarities with jumps in structural glasses. We perform numerical simulations for the 3D Edwards-Anderson model, and study how the properties of these jumps depend on the waiting time after a quench. Similar to the results for structural glasses, we find that while jump frequency depends strongly on time, the jump duration and jump length are roughly stationary. At odds with some results reported on studies of structural glass formers, at long enough times, the rest time between jumps varies as the inverse of jump frequency. We give a possible explanation for this discrepancy. We also find that our results are qualitatively reproduced by a fully-connected trap model.

Twisting Hopf algebras from cocycle deformations Andruskiewitsch, Nicolas; Garcia Iglesias, Agustin Let H be a Hopf algebra. Any finite-dimensional lifting of V∈HHYD arising as a cocycle deformation of A= B(V) # H defines a twist in the Hopf algebra A∗, via dualization. We follow this recipe to write down explicit examples and show that it extends known techniques for defining twists. We also contribute with a detailed survey about twists in braided categories.

Hecke and sturm bounds for Hilbert modular forms over real quadratic fields Burgos Gil, Jose Ignacio; Pacetti, Ariel Martín Let K be a real quadratic field and OK its ring of integers. Let Γ be a congruence subgroup of SL2(OK) and M(k1,k2)(Γ) be the finite dimensional space of Hilbert modular forms of weight (k1, k2) for Γ. Given a form f(z) ∈ M(k1,k2)(Γ), how many Fourier coefficients determine it uniquely in such space? This problem was solved by Hecke for classical forms, and Sturm proved its analogue for congruences modulo a prime ideal. The present article solves the same problem for Hilbert modular forms over K. We construct a finite set of indices (which depends on the cusps desingularization of the modular surface attached to Γ) such that the Fourier coefficients of any form in such set determines it uniquely.

Detection of myocardial infarction using delayed enhancement dualenergy CT in stable patients Rodriguez Granillo, Gaston Alfredo; Campisi, Roxana; Deviggiano, Alejandro; de Munain, Maria N. Lopez; De Zan, Macarena; Capunay, Carlos; Carrascosa, Patricia OBJECTIVE. The objective of our study was to explore whether delayed enhancement dual-energy CT (DECT) allows the detection of myocardial infarcts in stable patients. SUBJECTS AND METHODS. Patients with known or suspected coronary artery disease clinically referred for myocardial perfusion imaging using SPECT were prospectively included. All patients (n = 34) also underwent stress, rest, and delayed enhancement DECT on a DECT scanner. At SPECT, segments with myocardial infarction (MI) were defned as those with a summed rest score of = 2 in two or more consecutive segments, and a diagnosis of MI was supported by wall motion abnormalities, clinical history, and ECG fndings. RESULTS. Segments with MI were identifed in 13 (38%), 15 (44%), and 14 (41%) patients using SPECT, perfusion CT, and delayed enhancement DECT, respectively. When combined SPECT and perfusion CT results were used as the reference standard, delayed enhancement DECT had a sensitivity, specifcity, positive predictive value, and negative predictive value for the detection of MI of 91.7% (95% CI, 62-98%), 86.4% (95% CI, 65-97%), 78.6% (95% CI, 49-95%), and 95.0% (95% CI, 75-100%). At delayed enhancement DECT (40 keV), a signal attenuation higher than 161 HU had a sensitivity of 72% and a specifcity of 79% for the detection of MI on a per-segment basis. The median signal attenuation of myocardial infarcts at 40 keV was 3.0 SDs (interquartile range, 1.3-4.0 SDs) above that of normal myocardium. CONCLUSION. In this study, delayed enhancement DECT allowed the detection of myocardial infarcts in stable patients.