If I am woman, who are 'they'? The construction of 'other' feminisms

Characterizations of feminist identities are presented, represented and, arguably, misrepresented within current public debates and popular media. Issues of sameness and difference have come to the fore as both timely and politically relevant. This paper aims to address issues arising from engagement with feminisms, in particular those which we experience as 'other' but which, concurrently, resonate with many of our concerns. Conflicting views revolve around the viability of constructing stable political identities for women who elect to include the term 'feminist' in their selfdescription. These debates become increasingly complex when contextualized within relative power positionings of knowledge production in differing arenas. Drawing on the literature around the legitimization of gender and political identities, the authors reflect in this paper on the possibilities of engaging with these identities, both in our capacity of 'others', but also as individuals whose theoretical positioning resonates with the issues under consideration

Chemistry of the older supracrustals of Archaean age around Sargur

In the Archaeans of the Karnataka craton two stratigraphically distinct volcano-sedimentary sequences occur, namely the older supracrustals of the Sargur type and the younger Dharwar greenstones. The dividing line between these is the 3 by old component of the Peninsular gneiss. The trace and rare earth element chemistry of the Sargur metasediments show, in general, marked similarity to the Archaean sediments. The significant departures are in the nickel and chromium abundances. The REE data of the Sargur pelites of the Terakanambi region represented by Silli-gt-bio-feldspar schists and paragneisses show LREE enrichment and flat to depleted HREE pattern. Banded iron formations have very low REE abundance. They show slightly enriched LREE and flat to depleted HREE pattern. REE abundance in the Mn-horizons is comparable to that of the Archaean sediments. Mn-horizons show enriched LREE and flat HREE with anamolous Eu. REE patterns of these bands is well evolved and has similarities with PAAS

A transfer network linking Earth, Moon, and the triangular libration point regions in the Earth-Moon system

In the near future, several space applications in the Earth-Moon system may require a spacecraft to hold a stable motion, but the transfer trajectory infrastructure to access such stable motions has not been fully investigated yet. The triangular libration points, L 4and L5, in the Earth-Moon system have long been thought of as ideal locations for a communications satellite. Recently, Distant Retrograde Orbits (DROs) and Near-Rectilinear Halo Orbits (NRHOs) near the Moon have been identified as motion of interest for manned and unmanned missions with a focus on operations in cislunar space. The triangular libration points, as well as lunar DROs and NRHOs describe special types of possible motion for a spacecraft/satellite that is influenced solely by the gravitational fields of the Earth and the Moon. What is common to the tree types of solutions is that they are practically stable, that is, a spacecraft/satellite can naturally follow the solution for extended periods of time without requiring significant course adjustment maneuvers. This investigation contributes to the infrastructure of a network of transfer trajectories connecting regions of stability located near the Earth, Moon, and the triangular libration points in the Earth-Moon system. Several transfer options between regions of stability are presented and discussed, including transfer options between Low Earth Orbit (LEO) and lunar DRO, lunar DRO and periodic orbits near L4 and L5, as well as lunar DRO and L 2 NRHOs

Corrección de dismetría femoral severa en el adulto mediante alargamiento y acortamiento contralateral: A propósito de un caso

Se presenta un caso de acortamiento femoral de 8 cm secundario a consolidación viciosa de fractura multifragmentaria femoral en un varón de 40 años. Debido a la edad del paciente y la magnitud de la dismetría, se decidió su corrección mediante un alargamiento progresivo de 4 cm del fémur corto y, en segundo tiempo, acortamiento inmediato de 4 cm del fémur largo mediante extirpación de un cilindro óseo que se implantó en la zona de distracción del fémur alargado. De esta manera se consiguió una corrección satisfactoria de la dismetría sin complicaciones reseñables. A pesar de la pérdida de estatura, pensamos que esta técnica debe ser considerada en casos puntuales de severa dismetría de extremidades inferior en el adulto.A case of 8-cm femoral shortening secondary to malunion of a multifragmented diaphyseal femoral fracture in 40 years old man is presented. Based on the age of the patients and the magnitude of the leg length discrepancy, treatment consisted of a first stage correction through progressive 4-cm lengthening of the shortened femur. In a second stage, shortening of the contralateral femur was performed by removal of a 4-cm diaphyseal bone cylinder that was implanted in the distraction area of the lengthened femur. The length discrepancy was corrected without complication. Although this technique implies a decrease of height, the method is suitable for selected cases of leg inequality affecting adults

DeepZipper: A novel deep-learning architecture for lensed supernovae identification

Artículo escrito por un elevado número de autores, solo se referencian el que aparece en primer lugar, el nombre del grupo de colaboración, si le hubiere, y los autores pertenecientes a la UAMLarge-scale astronomical surveys have the potential to capture data on large numbers of strongly gravitationally lensed supernovae (LSNe). To facilitate timely analysis and spectroscopic follow-up before the supernova fades, an LSN needs to be identified soon after it begins. To quickly identify LSNe in optical survey data sets, we designed ZipperNet, a multibranch deep neural network that combines convolutional layers (traditionally used for images) with long short-term memory layers (traditionally used for time series). We tested ZipperNet on the task of classifying objects from four categories - no lens, galaxy-galaxy lens, lensed Type-Ia supernova, lensed core-collapse supernova - within high-fidelity simulations of three cosmic survey data sets: the Dark Energy Survey, Rubin Observatory's Legacy Survey of Space and Time (LSST), and a Dark Energy Spectroscopic Instrument (DESI) imaging survey. Among our results, we find that for the LSST-like data set, ZipperNet classifies LSNe with a receiver operating characteristic area under the curve of 0.97, predicts the spectroscopic type of the lensed supernovae with 79% accuracy, and demonstrates similarly high performance for LSNe 1-2 epochs after first detection. We anticipate that a model like ZipperNet, which simultaneously incorporates spatial and temporal information, can play a significant role in the rapid identification of lensed transient systems in cosmic survey experiments. © 2022. The Author(s). Published by the American Astronomical Societ

Sobre el tipo de metamorfismo regional progresvo hercínico en el Guadarrama oriental (Sistema central español)

Discusión sobre el tipo del metamorfismo regional progresivo hercínico del Guadarrama oriental. Se trata de un tipo intermedio de baja presión, con distena, muy parecido a los tipos que ya se conocen en Galicia, Portugal y Sur de la Península

The hitchhiker’s guide to the galaxy catalog approach for Dark Siren gravitational-wave cosmology

Artículo escrito por un elevado número de autores, solo se referencian el que aparece en primer lugar, el nombre del grupo de colaboración, si le hubiere, y los autores pertenecientes a la UAMWe outline the “dark siren” galaxy catalog method for cosmological inference using gravitational wave (GW) standard sirens, clarifying some common misconceptions in the implementation of this method. When a confident transient electromagnetic counterpart to a GW event is unavailable, the identification of a unique host galaxy is in general challenging. Instead, as originally proposed by Schutz, one can consult a galaxy catalog and implement a dark siren statistical approach incorporating all potential host galaxies within the localization volume. Trott & Huterer recently claimed that this approach results in a biased estimate of the Hubble constant, H 0, when implemented on mock data, even if optimistic assumptions are made. We demonstrate explicitly that, as previously shown by multiple independent groups, the dark siren statistical method leads to an unbiased posterior when the method is applied to the data correctly. We highlight common sources of error possible to make in the generation of mock data and implementation of the statistical framework, including the mismodeling of selection effects and inconsistent implementations of the Bayesian framework, which can lead to a spurious bia

Designing an Optimal Kilonova Search Using DECam for Gravitational-wave Events

Artículo escrito por un elevado número de autores, solo se referencian el que aparece en primer lugar, el nombre del grupo de colaboración, si le hubiere, y los autores pertenecientes a la UAMWe address the problem of optimally identifying all kilonovae detected via gravitational-wave emission in the upcoming LIGO/Virgo/KAGRA observing run, O4, which is expected to be sensitive to a factor of ∼7 more binary neutron star (BNS) alerts than previously. Electromagnetic follow-up of all but the brightest of these new events will require >1 m telescopes, for which limited time is available. We present an optimized observing strategy for the DECam during O4. We base our study on simulations of gravitational-wave events expected for O4 and wide-prior kilonova simulations. We derive the detectabilities of events for realistic observing conditions. We optimize our strategy for confirming a kilonova while minimizing telescope time. For a wide range of kilonova parameters, corresponding to a fainter kilonova compared to GW170817/AT 2017gfo, we find that, with this optimal strategy, the discovery probability for electromagnetic counterparts with the DECam is ∼80% at the nominal BNS gravitational-wave detection limit for O4 (190 Mpc), which corresponds to an ∼30% improvement compared to the strategy adopted during the previous observing run. For more distant events (∼330 Mpc), we reach an ∼60% probability of detection, a factor of ∼2 increase. For a brighter kilonova model dominated by the blue component that reproduces the observations of GW170817/AT 2017gfo, we find that we can reach ∼90% probability of detection out to 330 Mpc, representing an increase of ∼20%, while also reducing the total telescope time required to follow up events by ∼20%The DES participants from Spanish institutions are partially supported by MICINN under grants ESP2017-89838, PGC2018-094773, PGC2018-102021, SEV2016-0588, SEV-2016-0597, and MDM-2015-050

Petrogenesis of archaean grey gneisses from the amphibolite-granulite transition zone of southern Karnataka, India

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