Facultad de Ciencias Físicas y Matemáticas: Recent submissions

Now showing items 6221-6240 of 21994

    • "Optimización de la gestión de inventarios de fármacos en la red de hospitales del SSMSO con experiencia ... 
      Rivas Vesco, Jorge Enrique (Universidad de Chile, 2020)
      El estudio está basado en cuatro hospitales que integran el Servicio de Salud Metropolitano Sur Oriente. Desde el área de Salud Digital se trabajó en los procesos que involucran la gestión en la cadena de suministro de ...
    • Diseño de un sistema de reportería para los clientes de una empresa de servicios de control de calidad de ... 
      Maccioni Martino, Stefano Vincenzo (Universidad de Chile, 2020)
      Dentro del rubro agroindustrial chileno, un aspecto relevante es la exportación de frutas y verduras frescas. Las exportadoras, para poder comercializar sus productos al extranjero, deben aplicar rigurosos procesos de ...
    • Adaptive importance sampling based neural network framework for reliability and sensitivity prediction for ... 
      Mathew, Tittu Varghese; Prajith, P.; Ruiz, R. O.; Atroshchenko, E.; Natarajan, S. (Elsevier, 2020)
      In this work, we propose to leverage the advantages of both the Artificial Neural Network (ANN) based Second Order Reliability Method (SORM) and Importance sampling to yield an Adaptive Importance Sampling based ANN, ...
    • 2D nano-materials beyond graphene: from synthesis to tribological studies 
      Rosenkranz, Andreas; Liu, Yangqin; Yang, Lin; Chen, Lei (Springer, 2020)
      Continuously increasing global population and, therefore, energy consumption as well as diminishing resources combined with environmental aspects such as global warming ask for more efficient, sustainable and reliable ...
    • Mass determinations of the three mini-Neptunes transiting TOI-125 
      Nielsen, L. D.; Gandolfi, D.; Armstrong, D. J.; Jenkins, James Stewart; Fridlund, M.; Santos, N. C.; Dai, F.; Adibekyan, V.; Luque, R.; Steffen, J. H.; Esposito, M.; Meru, F.; Sabotta, S.; Bolmont, E.; Kossakowski, D.; Otegi, J. F.; Murgas, F.; Stalport, M.; Rodler, F.; Díaz, M. R.; Kurtovic, N. T.; Ricker, G.; Vanderspek, R.; Latham, D. W.; Seager, S.; Winn, J. N.; Jenkins, J. M.; Allart, R.; Almenara, J. M.; Barrado, D.; Barros, S. C. C.; Bayliss, D.; Berdiñas, Z. M.; Boisse, I.; Bouchy, F.; Boyd, P.; Brown, D. J. A.; Bryant, E. M.; Burke, C.; Cochran, W. D.; Cooke, B. F.; Demangeon, O. D. S.; Díaz, R. F.; Dittman, J.; Dorn, C.; Dumusque, X.; García, R. A.; González Cuesta, L.; Grziwa, S.; Georgieva, I.; Guerrero, N.; Hatzes, A. P.; Helled, R.; Henze, C. E.; Hojjatpanah, S.; Korth, J.; Lam, K. W. F.; Lillo Box, J.; López, T. A.; Livingston, J.; Mathur, S.; Mousis, O.; Narita, N.; Osborn, H. P.; Palle, E.; Peña Rojas, P. A.; Persson, C. M.; Quinn, S. N.; Rauer, H.; Redfield, S.; Santerne, A.; Santos, L. A. dos; Seidel, J. V.; Sousa, S. G.; Ting, E. B.; Turbet, M.; Udry, S.; Vanderburg, A.; Van Eylen, V.; Vines, J. I.; Wheatley, P. J.; Wilson, P. A. (Oxford University Press, 2020)
      The Transiting Exoplanet Survey Satellite, TESS, is currently carrying out an all-sky search for small planets transiting bright stars. In the first year of the TESS survey, a steady progress was made in achieving the ...
    • TOI-132 b: A short-period planet in the Neptune desert transiting a V = 11.3 G-type star∗ 
      Díaz, Matías R.; Jenkins, James S.; Gandolfi, Davide; López, Eric D.; Soto, Maritza G.; Cortés Zuleta, Pía Gabriela; Berdiñas, Zaira M.; Stassun, Keivan G.; Collins, Karen A.; Vines, José I.; Ziegler, Carl; Fridlund, Malcom; Jensen, Eric L. N.; Murgas, Felipe; Santerne, Alexandre; Wilson, Paul A.; Esposito, Massimiliano; Hatzes, Artie P.; Johnson, Marshall C.; Lam, Kristine W. F.; Livingston, John H.; Van Eylen, Vincent; Narita, Norio; Briceño, César; Collins, Kevin I.; Csizmadia, Szilárd; Fausnaugh, Michael; Gan, Tianjun; García, Rafael A.; Georgieva, Iska; Glidden, Ana; González Cuesta, Lucía; Jenkins, Jon M.; Latham, David W.; Law, Nicholas; Mann, Andrew W.; Mathur, Savita; Mireles, Ismael; Morris, Robert; Pallé, Enric; Persson, Carina M.; Ricker, George; Rinehart, Stephen; Rose, Mark E.; Seager, Sara; Smith, Jeffrey C.; Tan, Thiam-Guan; Tokovinin, Andrei; Vanderburg, Andrew; Vanderspek, Roland; Winn, Joshua N.; Yahalomi, Daniel A. (Oxford University Press, 2020)
      The Neptune desert is a feature seen in the radius-period plane, whereby a notable dearth of short period, Neptune-like planets is found. Here, we report the Transiting Exoplanet Survey Satellite (TESS) discovery of a new ...
    • Generación de modelo para incrementar la migración de clientes de prepago a pospago en una Compañía de ... 
      Alvarado Fuchslocher, Felipe Andrés (Universidad de Chile, 2020)
      El trabajo de memoria se desarrolla en una empresa de telecomunicaciones, particularmente en el sector de telefonía móvil, el cual se caracteriza por una tendencia en el aumento de los clientes pospago, usuarios que poseen ...
    • Detección de intención de navegación y notificación para subscriptores prepago con saldo cero en redes móviles 
      Rebolledo Cavieres, Juan Francisco (Universidad de Chile, 2019)
    • NGTS-10b: the shortest period hot Jupiter yet discovered 
      McCormac, James; Gillen, Edward; Jackman, James A. G.; Brown, David J. A.; Bayliss, Daniel; Wheatley, Peter J.; Anderson, David R.; Armstrong, David J.; Bouchy, Francois; Briegal, Joshua T.; Burleigh, Matthew R.; Jara Cabrera, Juan Miguel; Casewell, Sarah L.; Chaushev, Alexander; Chazelas, Bruno; Chote, Paul; Cooke, Benjamin F; Costes, Jean C.; Csizmadia, Szilárd; Eigmüller, Philipp; Erikson, Anders; Foxell, Emma; Gänsicke, Boris T.; Goad, Michael R.; Günther, Maximilian N.; Hodgkin, Simon T.; Hooton, Matthew J.; Jenkins, James S.; Lambert, Gregory; Lendl, Monika; Longstaff, Emma; Louden, Tom; Moyano, Maximiliano; Nielsen, Louise D.; Pollacco, Don; Queloz, Didier; Rauer, Heike; Raynard, Liam; Smith, Alexis M. S.; Smalley, Barry; Soto, Maritza; Turner, Oliver; Udry, Stéphane; Vines, José I.; Walker, Simón R.; Watson, Christopher A.; West, Richard G. (Oxford University Press, 2020)
      We report the discovery of a new ultrashort period (USP) transiting hot Jupiter from the Next Generation Transit Survey (NGTS). NGTS-10b has a mass and radius of 2.162(-0.107)(+0.092) M-J and 1.205(-0.083)(+0.117) R-J and ...
    • Erratum: “Search for Nearby Earth Analogs. II. Detection of Five New Planets, Eight Planet Candidates, and ... 
      Feng, Fabo; Butler, R. Paul; Shectman, Stephen A.; Crane, Jeffrey D.; Vogt, Steve; Chambers, John; Jones, Hugh R. A.; Wang, Sharon Xuesong; Teske, Johanna K.; Burt, Jennifer; Díaz, Matías R.; Thompson, Ian B. (IOP Publishing, 2020)
    • The Hi-GAL catalogue of dusty filamentary structures in the Galactic plane 
      Schisano, Eugenio; Molinari, S.; Elia, D.; Benedettini, M.; Olmi, L.; Pezzuto, S.; Traficante, A.; Brescia, M.; Cavuoti, S.; Di Giorgio, A. M.; Liu, S. J.; Moore, T. J. T.; Noriega Crespo, A.; Riccio, G.; Baldeschi, A.; Becciani, U.; Peretto, N.; Merello, M.; Vitello, F.; Zavagno, A.; Beltrán, M. T.; Cambrésy, L.; Eden, D. J.; Causi, G. Li; Molinaro, M.; Palmeirim, P.; Sciacca, E.; Testi, L.; Umana, G.; Whitworth, A. P. (Oxford University Press, 2020)
      The recent data collected by Herschel have confirmed that interstellar structures with a filamentary shape are ubiquitously present in the Milky Way. Filaments are thought to he formed by several physical mechanisms acting ...
    • ALMA Observations of Quasar Host Galaxies at z similar or equal to 4.8 
      Nguyen, Nathen H.; Lira Teillery, Paulina; Trakhtenbrot, Benny; Netzer, Hagai; Cicone, Claudia; Maiolino, Roberto; Shemmer, Ohad (IOP Publishing, 2020)
      We present ALMA Band 7 data of the [C II] lambda 157.74 mu m emission line and underlying far-IR (FIR) continuum for 12 luminous quasars at z similar or equal to 4.8 powered by fast-growing supermassive black holes (SMBHs). ...
    • Addressing endogeneity in strategic urban mode choice models 
      Guerrero, Thomas E.; Guevara Cue, Cristián Angelo; Cherchi, Elisabetta; Dios Ortúzar, Juan de (Springer, 2020)
      Endogeneity is a potential anomaly in econometric models, which may cause inconsistent parameter estimates. Transport models are prone to this problem and applications that properly correct for it are scarce. This paper ...
    • A new look at Sco OB1 association with Gaia DR2 
      Yalyalieva, L.; Carraro, G.; Vázquez, R.; Rizzo, L.; Glushkova, E.; Costa, Edgardo (Oxford University Press, 2020)
      We present and discuss photometric optical data in the area of the OB association Sco OB1 covering about 1 deg(2). UBVI photometry is employed in tandem with Gaia DR2 data to investigate the three-dimensional structure and ...
    • Red Dots: A temperate 1.5 Earth-mass planet in a compact multi-terrestrial planet system around GJ 1061? 
      Dreizler, S.; Jeffers, S. V.; Rodríguez, E.; Zechmeister, M.; Barnes, J. R.; Haswell, C. A.; Coleman, G.; Lalitha, S.; Hidalgo Soto, D.; Strachan, J. B. P.; Hambsch, F.-J.; López González, M. J.; Morales, N.; Rodríguez López, C.; Berdiñas, Z. M.; Ribas, I.; Pallé, E.; Reiners, A.; Anglada Escudé, G. (Oxford University Press, 2020)
      Small low-mass stars are favourable targets for the detection of rocky habitable planets. In particular, planetary systems in the solar neighbourhood are interesting and suitable for precise characterization. The RedDots ...
    • Search for Nearby Earth Analogs. II. Detection of Five New Planets, Eight Planet Candidates, and Confirmation ... 
      Feng, Fabo; Butler, R. Paul; Shectman, Stephen A.; Crane, Jeffrey D.; Vogt, Steve; Chambers, John; Jones, Hugh R. A.; Wang, Sharon Xuesong; Teske, Johanna K.; Burt, Jenn; Díaz, Matías R.; Thompson, Ian B. (IOP Publishing, 2020)
      Zechmeister et al. surveyed 38 nearby M dwarfs from 2000 to 2007 March with VLT2 and the Ultraviolet and Visual Echelle Spectrograph (UVES) spectrometer. These data have recently been reanalyzed, yielding a significant ...
    • Three-dimensional Projection Effects on Chemistry in a Planck Galactic Cold Clump 
      Ge, J. X.; Mardones Pérez, Diego; He, J. H.; Rawlings, Jonathan M. C.; Liu, Sheng-Yuan; Lee, Jeong-Eun; Tatematsu, Ken’ichi; Liu, Tie; Zhu, Lei; Chang, Qiang; Inostroza, Natalia; Feng, S. (IOP Publishing, 2020)
      Offsets of molecular line emission peaks from continuum peaks are very common but frequently difficult to explain with a single spherical cloud chemical model. We propose that the spatial projection effects of an irregular ...
    • Three-dimensional simulations of clump formation in stellar wind collisions 
      Calderón, D.; Cuadra, J.; Schartmann, M.; Burkert, A.; Prieto, J.; Russell, C. M. P. (Oxford University Press, 2020)
      The inner parsec of our Galaxy contains tens of Wolf-Rayet stars whose powerful outflows are constantly interacting while filling the region with hot, diffuse plasma. Theoretical models have shown that, in some cases, the ...
    • Trace element geochemistry of magnetite from the Cerro Negro Norte iron oxide−apatite deposit, northern Chile 
      Salazar, Eduardo; Barra, Fernando; Reich Morales, Martín; Simon, Adam; Leisen, Mathieu; Palma, Gisella; Romero, Rurik; Rojo, Mario (Springer, 2020)
      Kiruna-type iron oxide-apatite (IOA) deposits constitute an important source of iron and phosphorus, and potentially of rare earth elements (REE). However, the origin of IOA deposits is still a matter of debate with models ...
    • Unipolar resistive switching behavior in Al2O3/HfO2 multilayer dielectric stacks: fabrication, characterization ... 
      Maestro Izquierdo, M.; González, M. B.; Jiménez Molinos, F.; Moreno, E.; Roldán, J. B.; Campabadal, F. (IOP Publishing, 2020)
      In this work, the impact of different HfO2/Al2O3-based multilayer dielectric stack (DS) configurations on the electrical characteristics and on the resistive switching (RS) performance of Ni/Insulator/Silicon devices has ...