Browsing by Title

Now showing items 41-60 of 2918

  • A Pair of TESS Planets Spanning the Radius Valley around the Nearby Mid-M Dwarf LTT 3780 

    Cloutier, Ryan; Eastman, Jason D.; Rodríguez, Joseph E.; Astudillo Defru, Nicola; Bonfils, Xavier; Mortier, Annelies; Watson, Christopher A.; Stalport, Manu; Pinamonti, Matteo; Lienhard, Florian; Harutyunyan, Avet; Damasso, Mario; Latham, David W.; Collins, Karen A.; Massey, Robert; Irwin, Jonathan; Winters, Jennifer G.; Charbonneau, David; Ziegler, Carl; Matthews, Elisabeth; Crossfield, Ian J. M.; Kreidberg, Laura; Quinn, Samuel N.; Ricker, George; Vanderspek, Roland; Seager, Sara; Winn, Joshua; Jenkins, Jon M.; Vezie, Michael; Udry, Stéphane; Twicken, Joseph D.; Tenenbaum, Peter; Sozzetti, Alessandro; Ségransan, Damien; Schlieder, Joshua E.; Sasselov, Dimitar; Santos, Nuno C.; Rice, Ken; Rackham, Benjamin V.; Poretti, Ennio; Piotto, Giampaolo; Phillips, David; Pepe, Francesco; Molinari, Emilio; Mignon, Lucile; Micela, Giuseppina; Melo, Claudio; De Medeiros, José R.; Mayor, Michel; Matson, Rachel A.; Martínez Fiorenzano, Aldo F.; Mann, Andrew W.; Magazzú, Antonio; Lovis, Christophe; López-Morales, Mercedes; López, Eric; Lissauer, Jack J.; Lépine, Sébastien; Law, Nicholas; Kielkopf, John F.; Johnson, John A.; Jensen, Eric L. N.; Howell, Steve B.; Gonzáles, Erica; Ghedina, Adriano; Forveille, Thierry; Figueira, Pedro; Dumusque, Xavier; Dressing, Courtney D.; Doyon, René; Díaz, Rodrigo F.; Di Fabrizio, Luca; Delfosse, Xavier; Cosentino, Rosario; Conti, Dennis M.; Collins, Kevin I.; Collier Cameron, Andrew; Ciardi, David; Caldwell, Douglas A.; Burke, Christopher; Buchhave, Lars; Briceño, César; Boyd, Patricia; Bouchy, François; Beichman, Charles; Artigau, Étienne; Almenara, José Manuel (2020-07)
    We present the confirmation of two new planets transiting the nearby mid-M dwarf LTT 3780 (TIC 36724087, TOI-732, V = 13.07, Ks = 8.204, Rs = 0.374 R⊙, Ms = 0.401 M⊙, d = 22 pc). The two planet candidates are identified ...

  • A parasitic copepod, Neoalbionella sp. (Lernaeopodidae), on the southern lanternshark Etmopterus granulosus (Etmopteridae) off Juan Fernández Archipelago, Chile 

    Rodríguez, Sara M.; Luque, José; George-Nascimento, Mario (2010)
    The morphology of an as yet undetermined Neoalbionella species is described from specimens collected from the second dorsal fin of the southern lanternshark Etmopterus granulosus, caught at a submerged ridge off Juan ...

  • A pedagogical model to develop teaching skills. The collaborative learning experience in the Immersive Virtual World TYMMI 

    Badilla Quintana, María Graciela; Meza Fernández, Sandra (2015)
    The initial training of quality teachers is seen as a key to improving the learning outcomes of students in Chile. The TYMMI project is one of the initiatives being developed to provide a space for simulation for teaching ...

  • A polyphenol-rich Calafate (Berberis microphylla) extract rescues glucose tolerance in mice fed with cafeteria diet 

    Soto-Covasich, J.; Reyes-Farias, M.; Torres, Rodrigo F.; Vásquez, K.; Duarte, L.; Quezada, J.; Jiménez, P.; Pino, M. T.; García-Nannig, L.; Mercado, L.; García-Díaz, D. F. (2020-04)
    The establishment of a chronic inflammatory state in the adipose tissue contributes to obesity-associated insulin resistance. Hence, disrupting the inflammatory response elicited by obesity remains a relevant target to ...

  • A Possible Alignment Between the Orbits of Planetary Systems and their Visual Binary Companions 

    Christian, Sam; Vanderburg, Andrew; Becker, Juliette; Yahalomi, Daniel; Pearce, Logan; Zhou, George; Collins, Karen; Kraus, Adam; Stassun, Keivan; Beurs, Zoe de; Ricker, George; Vanderspek, Roland; Latham, David; Winn, Joshua; Seager, S.; Jenkins, Jon; Abe, Lyu; Agabi, Karim; Amado, Pedro; Baker, David; Barkaoui, Khalid; Benkhaldoun, Zouhair; Benni, Paul; Berberian, John; Berlind, Perry; Bieryla, Allyson; Esparza Borges, Emma; Bowen, Michael; Brown, Peyton; Buchhave, Lars; Burke, Christopher; Buttu, Marco; Cadieux, Charles; Caldwell, Douglas; Charbonneau, David; Chazov, Nikita; Chimaladinne, Sudhish; Collins, Kevin; Combs, Deven; Conti, Dennis; Crouzet, Nicolas; Leon, Jerome de; Deljookorani, Shila; Diamond, Brendan; Doyon, René; Dragomir, Diana; Dransfield, Georgina; Essack, Zahra; Evans, Phil; Fukui, Akihiko; Gan, Tianjun; Esquerdo, Gilbert; Gillon, Michaël; Girardin, Eric; Guerra, Pere; Guillot, Tristan; Habich, Eleanor; Henriksen, Andreea; Hoch, Nora; Isogai, Keisuke; Jehin, Emmanuël; Jensen, Eric; Johnson, Marshall; Livingston, John; Kielkopf, John; Kim, Kingsley; Kawauchi, Kiyoe; Krushinsky, Vadim; Kunzle, Veronica; Laloum, Didier; Leger, Dominic; Lewin, Pablo; Mallia, Franco; Massey, Bob; Mori, Mayuko; McLeod, Kim; Mékarnia, Djamel; Mireles, Ismael; Mishevskiy, Nikolay; Tamura, Motohide; Murgas, Felipe; Narita, Norio; Naves, Ramon; Nelson, Peter; Osborn, Hugh; Palle, Enric; Parviainen, Hannu; Plavchan, Peter; Pozuelos, Francisco; Rabus, Markus; Relles, Howard; Rodríguez López, Cristina; Quinn, Samuel; Schmider, Francois; Schlieder, Joshua; Schwarz, Richard; Shporer, Avi; Sibbald, Laurie; Srdoc, Gregor; Stibbards, Caitlin; Stickler, Hannah; Suarez, Olga; Stockdale, Chris; Tan, Thiam; Terada, Yuka; Triaud, Amaury; Tronsgaard, Rene; Waalkes, William; Wang, Gavin; Watanabe, Noriharu; Wenceslas, Marie; Wingham, Geof; Wittrock, Justin; Ziegler, Carl (2022)
    Astronomers do not have a complete picture of the effects of wide-binary companions (semimajor axes greater than 100 au) on the formation and evolution of exoplanets. We investigate these effects using new data from Gaia ...

  • A posteriori error analysis of an augmented dual-mixed method in linear elasticity with mixed boundary conditions 

    Barrios Faúndez, Tomás; Behrens, Edwin; González, María (2019-08)
    We consider the augmented mixed finite element method introduced in [7] for the equations of plane linear elasticity with mixed boundary conditions. We develop an a posteriori error analysis based on the Ritz projection ...

  • A posteriori error analysis of an augmented mixed finite element method for Darcy flow 

    Barrios Faúndez, Tomás; Cascón, Manuel; González, María (2015)
    We develop an a posteriori error analysis of residual type of a stabilized mixed finite element method for Darcy flow. The stabilized formulation is obtained by adding to the standard dual-mixed approach suitable residual ...

  • A posteriori error analysis of an augmented mixed formulation in linear elasticity with mixed and Dirichlet boundary conditions 

    Barrios Faúndez, Tomás; Behrens R., Edwin Marcelo; González, María (2011)
    We develop a residual-based a posteriori error analysis for the augmented mixed methods introduced in [13] and [14] for the problem of linear elasticity in the plane. We prove that the proposed a posteriori error estimators ...

  • A posteriori error estimates for elliptic problems with Dirac delta source terms 

    Araya, Rodolfo; Behrens R., Edwin Marcelo; Rodríguez, Rodolfo (2006)
    The aim of this paper is to introduce residual type a posteriori error estimators for a Poisson problem with a Dirac delta source term, in Lp norm and W1,p seminorm. The estimators are proved to yield global upper and ...

  • A posteriori error estimates for the problem of electrostatics with a dipole source 

    Rodríguez, Alonso; Camaño Valenzuela, Jessika; Rodríguez, Rodolfo; Valli, A. (2014)
    Electroencephalography is a non-invasive technique for detecting brain activity from the measurement of the electric potential on the head surface. In mathematical terms, it reduces to an inverse problem in which the goal ...

  • A priori and a posteriori error analyses of an HDG method for the Brinkman problem 

    Gatica, Luis F.; Sequeira, Filánder A. (2018-02)
    In this paper we introduce and analyze a hybridizable discontinuous Galerkin (HDG) method for the linear Brinkman model of porous media flow in two and three dimensions and with non-homogeneous Dirichlet boundary conditions. ...

  • A priori and a posteriori error analysis of an augmented mixed-FEM for the Navier–Stokes–Brinkman problem 

    Gatica, Luis F.; Oyarzúa, Ricardo; Sánchez, Nestor (2018-04)
    We introduce and analyze an augmented mixed finite element method for the Navier–Stokes–Brinkman problem with nonsolenoidal velocity. We employ a technique previously applied to the stationary Navier–Stokes equation, which ...

  • A probabilistic economic dispatch model and methodology considering renewable energy, demand and generator uncertainties 

    Arriagada Carrasco, Eduardo Wladimir; López, E.; López, M.; Blasco-Gimenez, R.; Roa, C.; Poloujadoff, M. (2015)
    In this paper a probabilistic economic dispatch model considering thermal units (fuel generators), photovoltaic arrays and wind energy conversion systems is proposed. Wind speed, solar radiation and power demand are ...

  • A probabilistic economic/CO2eq emissions dispatch model: real applications 

    Arriagada Carrasco, Eduardo Wladimir; Lopez Parra, Enrique; López, Miguel; Lefranc, Gaston; López, Rodrigo; Poloujadoff, Michel (2018-09)
    The worldwide evolution of the electric systems requires, i. a.: a) fossil-fuel generators with carbon capture and b) clean technologies based on renewable energies. For this reason, dispatch centers are in constant search ...

  • A proposal to teach english as a foreign language to students with special educational needs in the context of the universal design for learning from the perspective of techaers and students 

    Cea Arias, María; Pérez Oviedo, Marcela; Ulloa Salinas, Constanza (2019-07)
    Due to the current learning demands and the lack of preparation for teaching English to exceptional students, the aim of this research was to design a proposal to teach the subject to students with special educational needs ...

  • A PROPÓSITO DE LAS REVISIONES SISTEMÁTICAS, LOS METAANÁLISIS Y LOS RESÚMENES DE REVISIONES SISTEMÁTICAS 

    Aguilera Eguía, Raúl; Fuentes Barría, Héctor; López Soto, Olga (2021)

  • A propósito del análisis bibliométrico realizado a la Revista de la Sociedad Española del Dolor. ¿Qué es y cuál sería su utilidad? 

    Flores Fernández, Cherie; Aguilera Eguía, Raúl Alberto (2018)
    Hace un tiempo enviamos un artículo denominado: “Análisis bibliométrico de la Revista de la Sociedad Española del Dolor: 2007-2016”, cuyo propósito fue analizar la producción científica de la Revista de la Sociedad ...

  • A proximal solution for a class of extended minimax location problem 

    Cornejo Zúñiga, Oscar; Michelot, Cristian (2005)
    We propose a proximal approach for solving a wide class of minimax location problems which in particular contains the round trip location problem. We show that a suitable reformulation of the problem allows to construct a ...

  • A residual based a posteriori error estimator for an augmented mixed finite element method in linear elasticity 

    Barrios Faúndez, Tomás; Gatica, Gabriel N.; González, María; Heuer, Norbert (2006)
    In this paper we develop a residual based a posteriori error analysis for an augmented mixed finite element method applied to the problem of linear elasticity in the plane. More precisely, we derive a reliable and efficient ...

  • A review of the potential genes implicated in follicular atresia in teleost fish 

    González Kother, Paola; Oliva, Marcelo E.; Tanguy, Arnaud; Moraga, Darío (2020-04)
    In recent years, numerous studies conducted on teleost fish have highlighted the contribution of transcriptomic studies in elucidating the physiological mechanisms underlying the molecular events of oogenesis and follicular ...