The Face in Flight: Andy Warhol’s Henry Geldzahler

©2018. This manuscript version is made available under the CC BY-NC-ND 3.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ This document is the Accepted, version of a Published Work that appeared in final form in Journal of Cinema and Media Studies. To access the final edited and published work see https://doi.org/10.1353/cj.2019.0060Existing analyses of Andy Warhol's Henry Geldzahler (1964) interpret it as a psychological portrait that reveals its subject's interiority. This article, by contrast, refutes such claims of psychological depth. Through a close analysis of the film's surface and of Geldzahler's performance, it reads the work in terms of parody, play with props and materials, and queer affect. It illuminates its peculiar nonpsychologizing portraiture through William James's theses about transitional mental states and the continuity of the psychic and the material. It concludes with a reconsideration of Warhol's film portraits in light of these ideas

Objects, Speed, and the Film within the Film: Vachel Lindsay and Classical Cinema as an Alternative Public Sphere

This essay reads Vachel Lindsay’s film theory as symptomatic of an oscillation, still present in the period of early classical cinema, between the ordering effect of the classical codes and the centrifugal potential of the film image. Lindsay located this potential in the dispersive effect of filmed objects and spaces. According to Lindsay, these could derail the unity of the narrative and might be actualized by audiences as alternative public spheres, that is, as sites for the articulation of dissident fantasies and desires. Hence, even though Lindsay was primarily invested in disciplining the film text and its viewers, and enlisting the cinema for the promotion of national and cultural unity, he lucidly outlined the structure of a dissident form of spectatorship that has recurred in both experimental cinema and subcultural forms of textual practice.This essay reads Vachel Lindsay’s film theory as symptomatic of an oscillation, still present in the period of early classical cinema, between the ordering effect of the classical codes and the centrifugal potential of the film image. Lindsay located this potential in the dispersive effect of filmed objects and spaces. According to Lindsay, these could derail the unity of the narrative and might be actualized by audiences as alternative public spheres, that is, as sites for the articulation of dissident fantasies and desires. Hence, even though Lindsay was primarily invested in disciplining the film text and its viewers, and enlisting the cinema for the promotion of national and cultural unity, he lucidly outlined the structure of a dissident form of spectatorship that has recurred in both experimental cinema and subcultural forms of textual practice

In situ Raman spectroscopy study of silver particle size effects on unpromoted Ag/α-Al2O3 during ethylene epoxidation with molecular oxygen

In situ Raman spectroscopy and parallel fixed bed reactor studies were conducted under ethylene epoxidation conditions with O2 at 1 atm and 200 ℃ on unpromoted Ag/α-Al2O3 catalysts with different Ag particle sizes. It was found that for Ag particles of 20–50 nm, the weight normalized conversion rate decreased rapidly with increasing Ag particle size but remained almost constant above 50 nm. On the other hand, the apparent TOF increased with increasing Ag particle sizes in the 20–170 nm studied range, while ethylene oxide selectivity at zero residence time was nearly constant (55 ± 4%). Raman bands at 815 (all Ag sizes) and 880 (Ag sizes > 100 nm) cm−1 were identified and assigned to active molecular oxygen species. The 880 cm−1 species was assigned to a molecular oxygen complex structure stabilized by subsurface oxygen. The presence of the 880 cm−1 oxygen species likely explain the higher apparent TOF in larger Ag particles (>100 nm)

An X-ray characterization of the central region of the SNR G332.5-5.6

We present an X-ray analysis of the central region of supernova remnant (SNR) G332.5-5.6 through an exhaustive analysis of XMM-Netwon observations with complementary infrared observations. We characterize and discuss the origin of the observed X-ray morphology, which presents a peculiar plane edge over the west side of the central region. The morphology and spectral properties of the X-ray supernova remnant were studied using a single full frame XMM-Newton observation in the 0.3 to 10.0 keV energy band. Archival infrared WISE observations at 8, 12 and 24 \mu m were also used to investigate the properties of the source and its surroundings at different wavelengths. The results show that the extended X-ray emission is predominantly soft (0.3-1.2 keV) and peaks around 0.5 keV, which shows that it is an extremely soft SNR. X-ray emission correlates very well with central regions of bright radio emission. On the west side the radio/X-ray emission displays a plane-like feature with a terminal wall where strong infrared emission is detected. Our spatially resolved X-ray spectral analysis confirms that the emission is dominated by weak atomic emission lines of N, O, Ne, and Fe, all of them undetected in previous X-ray studies. These characteristics suggest that the X-ray emission is originated in an optically thin thermal plasma, whose radiation is well fitted by a non-equilibrium ionization collisional plasma (VNEI) X-ray emission model. Our study favors a scenario where G332.5-5.6 is expanding in a medium with an abrupt density change (the wall), likely a dense infrared emitting region of dust on the western side of the source.Comment: 7 pages, 5 figures and 2 tables. Accepted for publication in A&

Forwards attractors for non-autonomous Lotka-Volterra cooperative systems: a detailed geometrical description

Non-autonomous differential equations exhibit a highly intricate dynamics, and various concepts have been introduced to describe their qualitative behavior. In general, it is rare to obtain time dependent invariant compact attracting sets when time goes to plus infinity. Moreover, there are only a few papers in the literature that explore the geometric structure of such sets. In this paper we investigate the long time behaviour of cooperative $n$-dimensional non-autonomous Lotka-Volterra systems is population dynamics. We provide sufficient conditions for the existence of a globally stable (forward in time) entire solution in which one species becomes extinct, or where all species except one become extinct. Furthermore, we obtain the precise geometrical structure of the non-autonomous forward attractor in one, two, and three dimensions by establishing heteroclinic connections between the globally stable solution and the semi-stable solutions in cases of species permanence and extinction. We believe that understanding time-dependent forward attractors paves the way for a comprehensive analysis of both transient and long-term behavior in non-autonomous phenomena

Evolució de la condició física en jugadores d’handbol en les categories infantil, cadet i juvenil

En aquesta investigació s’analitza la condició física de 91 jugadores d’handbol, amb edats compreses entre els 13 i els 18 anys, distribuïdes en tres categories diferents, infantil (n = 30), cadet (n = 32) i juvenil (n = 29). La investigació té caràcter descriptiu i transversal. El principal objectiu és analitzar l’estructura condicional de les jugadores. Per a la valoració es va aplicar la bateria Eurofit, la bateria de Bosco i test d’Abalakov. Es van trobar diferències significatives entre la categoria infantil-cadet en cinc de les 14 variables estudiades, i cap entre la categoria cadet-juvenil. Els millors resultats es van produir en la categoria juvenil. En general, les restants variables sempre van assolir millors valors que la població escolar (en aquelles variables en les quals la comparança va ser possible), però pitjors que els valors presentats per les jugadores de les seleccions espanyoles. En les proves que van valorar la força del tren inferior, els resultats indiquen que a major categoria les diferències són menors entre categories

Hamiltonian Forging of a Thermofield Double

We address the variational preparation of Gibbs states as the ground state of a suitably engineered Hamiltonian acting on the doubled Hilbert space. The construction is exact for quadratic fermionic Hamiltonians and gives excellent approximations up to fairly high quartic deformations. We provide a variational circuit whose optimization returns the unitary diagonalizing operator, thus giving access to the whole spectrum. The problem naturally implements the entanglement forging ansatz, allowing the computation of Thermofield Doubles with a higher number of qubits than in competing frameworks.Comment: 11 pages, 6 figure