Browsing by Title Facultad de Ciencias Físicas y Matemáticas

Now showing items 19655-19674 of 20505

    • Titanium monoxide ultra-thin coatings evaporated onto polycrystalline copper films 
      Zárate Aliaga, Ramón; Fuenzalida, V. M. (Elsevier, 2004)
      We evaporated polycrystalline copper thin films of thickness between 10 and 100nm on silicon substrates with their native oxide under ultra-high-vacuum conditions. Some of them were exposed to air for a period ranging ...
    • TLR4 participates in the inflammatory response induced by the AAF/II fimbriae from enteroaggregative ... 
      Alvestegui, Alejandra; Olivares-Morales, Mauricio; Muñoz, Ernesto; Smith, Rachel; Nataro, James P.; Ruiz-Perez, Fernando; Farfan, Mauricio J. (Frontiers Media S.A., 2019)
      Enteroaggregative Escherichia coli (EAEC) infections are one of the most frequent causes of persistent diarrhea in children, immunocompromised patients and travelers worldwide. The most prominent colonization factors of ...
    • TMEM10 Promotes Oligodendrocyte Differentiation and is Expressed by Oligodendrocytes in Human Remyelinating ... 
      de Faria, Omar; Dhaunchak, Ajit S.; Kamen, Yasmine; Roth Metcalfe, Alejandro Darío; Kuhlmann, Tanja; Colman, David R.; Kennedy, Timothy E. (Nature Publishing Group, 2019)
      Oligodendrocyte precursor cells (OPCs) differentiate during postnatal development into myelin-forming oligodendrocytes, in a process distinguished by substantial changes in morphology and the onset of myelin gene expression. ...
    • To index or not to index:|bTime-space trade-offs in search engines with positional ranking functions 
      González Cornejo, Senen Andrés (Universidad de Chile, 2014)
      Web search has become an important part of day-to-day life. Web search engines are important tools that give access to the information stored in the web. The success of a web search engine mostly depends on its efficiency ...
    • “To Tia with love”: Chilean mathematics teacher identities after professional development 
      Darragh, Lisa; Radovic, Darinka (Springer, 2019)
      It is not easy for teachers to re-author their professional identities to incorporate change after participation in professional development (PD). In this article, we seek to understand Chilean teachers' collective identity ...
    • Toda la renta se desvanece en el aire: Una crítica desde la economía clásica y la sociología a las políticas ... 
      Durán del Fierro, Francisco Javier (Universidad de Chile, 2015)
      El proyecto modernizador aplicado en Chile durante las últimas décadas ha consolidado una estructura productiva preponderantemente rentista, dependiente de los ciclos del precio de las materias primas y de mercados altamente ...
    • The Toda system and clustering interfaces in the Allen-Cahn equation 
      Pino Manresa, Manuel del; Kowalczyk, Michal; Wei, Juncheng (Springer Berlin, 2008-10)
      We consider the Allen-Cahn equation "2 u+(1−u2)u = 0 in a bounded, smooth domain in R2, under zero Neumann boundary conditions, where " > 0 is a small parameter. Let 􀀀0 be a segment contained in , connecting ...
    • The Toda system and multiple-end solutions of autonomous planar elliptic problems 
      Pino Manresa, Manuel del; Kowalczyk, Michal; Pacard, Frank; Wei, Juncheng (2010)
      We construct a new class of positive solutions for the classical elliptic problem ¢u ¡ u + up = 0; p > 2; in R2: We establish a deep relation between them and the following Toda system c2f00 j = efj¡1¡fj ¡ efj¡fj+1 in ...
    • 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 ...
    • TOI-150: A Transiting Hot Jupiter in the TESS Southern CVZ 
      Cañas, Caleb I.; Stefansson, Gudmundur; Monson, Andrew J.; Teske, Johanna K.; Bender, Chad F.; Mahadevan, Suvrath; Aerts, Conny; Beaton, Rachael L.; Butler, R. Paul; Covey, Kevin R.; Crane, Jeffrey D.; De Lee, Nathan; Díaz, Matías R.; Fleming, Scott W.; García Hernández, D. A.; Hearty, Fred R.; Kollmeier, Juna A.; Majewski, Steven R.; Nitschelm, Christian; Schneider, Donald P.; Shectman, Stephen A.; Stassun, Keivan G.; Tkachenko, Andrew; Wang, Sharon X.; Wang, Songhu; Wilson, John C.; Wilson, Robert F. (IOP Publishing, 2019)
      We report the detection of a hot Jupiter (M-p = 1.75(-0.17)(+0.14) M-J, R-p = 1.38 +/- 0.04R(J)) orbiting a middle-aged star (log g = 4.152(-0.043)(+0.030)) in the Transiting Exoplanet Survey Satellite (TESS) southern ...
    • TOI-222: a single-transit TESS candidate revealed to be a 34-day eclipsing binary with CORALIE, EulerCam and NGTS 
      Lendl, Monika; Bouchy, Françoise; Gill, Samuel; Nielsen, Louise D.; Turner, Oliver; Stassun, Keivan; Acton, Jack S.; Anderson, David R.; Armstrong, David J.; Bayliss, Daniel; Belardi, Claudia; Bryant, Edward M.; Burleigh, Matthew R.; Chaushev, Alexander; Casewell, Sarah L.; Cooke, Benjamin F; Eigmüller, Philipp; Gillen, Edward; Goad, Michael R.; Günther, Maximilian N.; Hagelberg, Janis; Jenkins, James S.; Louden, Tom; Marmier, Maxime; McCormac, James; Moyano, Maximiliano; Pollacco, Don; Raynard, Liam; Tilbrook, Rosanna H.; Udry, Stéphane; Vines, José I.; West, Richard G.; Wheatley, Peter J.; Ricker, George; Vanderspek, Roland; Latham, David W.; Seager, Sara; Winn, Josh; Jenkins, Jon M.; Addison, Brett; Briceño, César; Brahm, Rafael; Caldwell, Douglas A.; Doty, John; Espinoza, Néstor; Goeke, Bob; Henning, Thomas; Jordán, Andrés; Krishnamurthy, Akshata; Law, Nicholas; Morris, Robert; Okumura, Jack; Mann, Andrew W.; Rodriguez, Joseph E.; Sarkis, Paula; Schlieder, Joshua; Twicken, Joseph D.; Villanueva, Steven; Wittenmyer, Robert A.; Wright, Duncan J.; Ziegler, Carl (Oxford Unv Press, 2020)
      We report the period, eccentricity, and mass determination for the Transiting Exoplanet Survey Satellite (TESS) single-transit event candidate TOI-222, which displayed a single 3000 ppm transit in the TESS 2-min cadence ...
    • TOI-431/HIP 26013: a super-Earth and a sub-Neptune transiting a bright, early K dwarf, with a third RV planet 
      Osborn, Ares; Armstrong, David J.; Cale, Bryson; Brahm, Rafael; Wittenmyer, Robert A.; Dai, Fei; Crossfield, Ian J. M.; Bryant, Edward M.; Adibekyan, Vardan; Cloutier, Ryan; Collins, Karen A.; Mena, E. Delgado; Fridlund, Malcolm; Hellier, Coel; Howell, Steve B.; Matthews, Elisabeth C.; Ziegler, Carl; Ricker, George; Vanderspek, Roland; Latham, David W.; Seager, S.; Winn, Joshua N.; Jenkins, Jon M.; Acton, Jack S.; Addison, Brett C.; Anderson, David R.; Ballard, Sarah; Barrado, David; Barros, Susana C. C.; Batalha, Natalie; Bayliss, Daniel; Barclay, Thomas; Benneke, Bjorn; Berberian, John; Bouchy, Francois; Bowler, Brendan P.; Briceno, Cesar; Burke, Christopher J.; Burleigh, Matthew R.; Casewell, Sarah L.; Ciardi, David; Collins, Kevin; Cooke, Benjamin F.; Demangeon, Olivier D. S.; Díaz, Rodrigo F.; Dorn, C.; Dragomir, Diana; Dressing, Courtney; Dumusque, Xavier; Espinoza, Néstor; Figueira, P.; Fulton, Benjamin; Furlan, E.; Gaidos, E.; Geneser, C.; Gill, Samuel; Goad, Michael R.; Gonzáles, Erica J.; Gorjian, Varoujan; Gunther, Maximilian N.; Helled, Ravit; Henderson, Beth A.; Henning, Thomas; Hogan, Aleisha; Hojjatpanah, Saeed; Horner, Jonathan; Howard, Andrew W.; Hoyer, Sergio; Huber, Dan; Isaacson, Howard; Jenkins, James S.; Jensen, Eric L. N.; Jordan, Andres; Kane, Stephen R.; Kidwell, Richard; Kielkopf, John; Law, Nicholas; Lendl, Monika; Lund, M.; Nielsen, Louise D.; Okumura, Jack; Osborn, Hugh P.; Petigura, Erik A.; Plavchan, Peter; Pollacco, Don; Quintana, Elisa; Raynard, Liam; Robertson, Paul; Rose, Mark E.; Roy, Arpita; Reefe, Michael; Santerne, Alexandre; Santos, Nuno C.; Sarkis, Paula; Schlieder, J.; Schwarz, Richard P.; Scott, Nicholas J.; Shporer, Avi; Smith, A. M. S.; Stibbard, C.; Stockdale, Chris; Strom, Paul A.; Twicken, Joseph D.; Tan, Thiam-Guan; Tanner, A.; Teske, J.; Tilbrook, Rosanna H.; Tinney, C. G; Udry, Stephane; Villasenor, Jesus Noel; Vines, Jose; Wang, Sharon X.; Weiss, Lauren M.; West, Richard G.; Wheatley, Peter J.; Wright, Duncan J.; Zhang, Hui; Zohrabi, F. (Oxford, 2021)
      We present the bright (V-mag = 9.12), multiplanet system TOI-431, characterized with photometry and radial velocities (RVs). We estimate the stellar rotation period to be 30.5 +/- 0.7 d using archival photometry and RVs. ...
    • TOI-481 b and TOI-892 b: Two Long-period Hot Jupiters from the Transiting Exoplanet Survey Satellite 
      Brahm, Rafael; Nielsen, Louise D.; Wittenmyer, Robert A.; Wang, Songhu; Rodríguez, Joseph E.; Espinoza, Néstor; Jordan, Andrés; Henning, Thomas; Hobson, Melissa; Kossakowski, Diana; Lagos Rojas, Felipe Alejandro; Sarkis, Paula; Schlecker, Martin; Trifonov, Trifon; Shahaf, Sahar; Ricker, George; Vanderspek, Roland; Latham, David W.; Seager, Sara; Winn, Joshua N.; Jenkins, Jon M.; Addison, Brett C.; Bakos, Gaspar A.; Bhatti, Waqas; Bayliss, Daniel; Berlind, Perry; Bieryla, Allyson; Bouchy, Francois; Bowler, Brendan P.; Briceño, César; Brown, Timothy M.; Bryant, Edward M.; Caldwell, Douglas A.; Charbonneau, David; Collins, Karen A.; Davis, Allen B.; Esquerdo, Gilbert A.; Fulton, Benjamin J.; Huang, Chelsea X.; Irwin, Jonathan; Kane, Stephen R.; Kielkopf, John; Mann, Andrew W.; Mireles, Ismael; Okumura, Jack; Plavchan, Peter; Quinn, Samuel N.; Rabus, Markus; Saesen, Sophie; Schlieder, Joshua E.; Segransan, Damien; Shiao, Bernie; Shporer, Avi; Siverd, Robert J.; Stassun, Keivan G.; Suc, Vincent; Tan, Thiam-Guan; Torres, Pascal; Tinney, Chris G.; Udry, Stephane; Vanzi, Leonardo; Vezie, Michael; Vines, Jose I.; Vuckovic, Maja; Wright, Duncan J.; Yahalomi, Daniel A.; Zapata, Abner; Ziegler, Carl (IOP, 2020)
      We present the discovery of two new 10 day period giant planets from the Transiting Exoplanet Survey Satellite mission, whose masses were precisely determined using a wide diversity of ground-based facilities. TOI-481.b ...
    • Tolerance of native Magellan fungi in peat to anthracene and n-dodecane for potential use in bioremediation 
      Rodríguez Córdova, Leonardo; Sáez Navarrete, César; Ishanoglu, Vartan; Herrera Zeppelin, Albert; Ginocchio, Rosanna (Pontificia Universidad Católica de Chile. Facultad de Agronomía Ingeniería Forestal, 2016)
      The tolerances of filamentous Magellan fungi in peat were analyzed in the presence of structurally different petroleum hydrocarbons to assess their abilities for bioremediation in contaminated soils. Fungi on PDA (potato ...
    • Toma de decisiones en el Senado chileno:|bideología, valencia y comunicación 
      Silva Abuyeres, Christian Antonio (Universidad de Chile, 2013)
      Los Senadores deben decidir constantemente por una política u otra, apoyando o rechazando legislaturas. Así, características personales, institucionales y culturales van marcando las opciones de cada sujeto, el que a su ...
    • Toma de decisiones para flotas de vehículos eléctricos sujetos a incerteza, basada en escenarios y algoritmos ... 
      Aravena Cabrera, Daniela Alejandra (Universidad de Chile, 2023)
      El uso de vehículos eléctricos (EV) se ha masificado, pues son una alternativa sustentable a los vehículos convencionales. Sin embargo, su despliegue generalizado es aún difícil debido a restricciones impuestas por sus ...
    • Tomografía de ruido sísmico de la cuenca de Santiago 
      Salomón George, José Julio (Universidad de Chile, 2017)
      Esta Tesis elabora el primer modelo 3D de velocidad de onda de corte para la Cuenca de Santiago utilizando la técnica de tomografía de ruido sísmico. La ocurrencia reciente y futura de terremotos en la zona central de Chile ...
    • Tomografía de ruido sísmico para la Península de Mejillones 
      Azúa Quezada, Kellen Moreen (Universidad de Chile, 2021)
      La Península de Mejillones (PM) se encuentra ubicada en el norte de Chile a los -23.28° -70.5° y corresponde a un bloque geomorfológico atípico levantado de la plataforma continental de 60 km de longitud y 40 km de ancho. ...
    • Tomografía sísmica 2D de alta resolución bajo los montes submarinos O'Higgins 
      Sepúlveda Lema, Jorge Antonio (Universidad de Chile, 2012)
      Se presenta un modelo tomográfico bidimensional de onda compresional la cual exhibe la estructura cortical y mantélica superior de dos montes submarinos (montes O Higgins) que se formaron hace 8-10 Ma debido a la interacción ...
    • Tomografía sísmica pasiva 3D de estructuras corticales en el margen costero de Chile Central: Caracterización ... 
      Calle Gardella, Daniela Teresa (Universidad de Chile, 2018)
      El 27 de febrero de 2010, se produjo un terremoto interplaca (Mw 8.8) en la zona Centro-Sur de Chile, seguido de una secuencia de réplicas, de las cuales destacan algunos terremotos corticales en el margen de Chile Central ...