Artículos de revistas: Recent submissions

Now showing items 1641-1660 of 7550

    • Interface dynamics in semilinear wave equations 
      Pino Manresa, Manuel del; Jerrard, Robert L.; Musso, Mónica (Springer, 2020)
      We consider the wave equation epsilon(2)(-partial derivative(2)(t) + Delta)u + f(u) = 0 for 0 < epsilon << 1, where f is the derivative of a balanced, double-well potential, the model case being f(u) = u - u(3). For equations ...
    • Feasibility and cost minimisation for a lithium extraction problem 
      Bosch, P.; Contreras, J. P.; Munizaga Rosas, J. (Elsevier, 2020)
      In this paper we address the problem of allocating extraction pumps to wells, when exploiting lithium rich brines, as part of the production of lithium salts. The problem of choosing the location of extraction wells is ...
    • A new model for automated pushback selection 
      Jélvez, Enrique; Morales Varela, Nelson; Askari-Nasab, Hooman (Pergamon-Elsevier, 2020)
      The design of pushbacks is essential to long-term open pit mine scheduling because it partitions the pit space into individual units, controlling ore and waste production. In this paper, a new model is proposed for the ...
    • Corrigendum: Direct determination of stresses from the stress equations of motion and wave propagation for ... 
      Bustamante Plaza, Roger (Sage, 2020)
      In this note it is shown there is an error in the analysis used to obtain an exact solution for the wave propagation problem, for the case of a one-dimensional body considering a new type of constitutive equation
    • A study of general and security Stackelberg game formulations 
      Casorrán, Carlos; Fortz, Bernard; Labbé, Martine; Ordoñez Pizarro, Fernando (Elsevier, 2019)
      In this paper, we analyze different mathematical formulations for general Stackelberg games (GSGs) and Stackelberg security games (SSGs). We consider GSGs in which a single leader commits to a utility maxi- mizing strategy ...
    • Adaptive hybrid intelligent MPPT controller to approximate effectual wind speed and optimal rotor speed of ... 
      Sitharthan, R.; Karthikeyan, Madurakavi; Shanmuga Sundar, D.; Rajasekaran, S. (Elsevier, 2020)
      Operating wind power generation system at optimal power point is essential which is achieved by employing a Maximum Power Point Tracking (MPPT) control strategy. This literature focuses on developing a novel particle ...
    • Accounting for labor gaps 
      Langot, Francois; Pizzo, Alessandra (Elsevier, 2019)
      This study explains the impact of taxes and labor market institutions on the total hours ob- served in France, Germany, the United Kingdom, and the United States. We develop a bal- anced growth model with matching frictions ...
    • Multiple outputs in port cost functions 
      Jara Díaz, Sergio; Martínez Budría, Eduardo; Díaz Hernández, Juan José (Elsevier, 2006)
      By describing the technical process, in this article we argue that cargothat arrives in many different forms are distinct outputs of a port, whose services require inputs that can be grossly defined as labor, space, ...
    • Type Ib/Ic Supernovae: Effect of Nickel Mixing on the Early-time Color Evolution and Implications for the ... 
      Yoon, Sung-Chul; Chun, Wonseok; Tolstov, Alexey; Blinnikov, Sergey; Dessart, Luc (IOP Publishing, 2019)
      We investigate the effect of mixing of radioactive nickel (Ni-56) on the early-time color evolution of Type Ib and Ic supernovae (SNe Ib/Ic) using multigroup radiation hydrodynamics simulations. We consider both helium-rich ...
    • “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 ...
    • 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 ...
    • The Akhmediev breather is unstable 
      Alejo, Miguel A.; Fanelli, Luca; Muñoz, Claudio (Springer, 2019)
      In this note, we give a rigorous proof that the NLS periodic Akhmediev breather is unstable. The proof follows the ideas in Muñoz (Proyecciones (Antofagasta) 36(4):653–683, 2017), in the sense that a suitable modification ...
    • Supernovae from blue supergiant progenitors: What a mess! 
      Dessart, Luc; Hillier, D. John (EDP Sciences, 2019)
      Supernova (SN) 1987A was classified as a peculiar Type II SN because of its long rising light curve and the persistent presence of H I lines in optical spectra. It was subsequently realized that its progenitor was a blue ...
    • Solving Deterministic and Stochastic Equilibrium Problems via Augmented Walrasian 
      Deride, Julio; Jofré Cáceres, René; Wets, Roger J-B (Springer, 2019)
      We described a method to solve deterministic and stochastic Walras equilibrium models based on associating with the given problem a bifunction whose maxinf-points turn out to be equilibrium points. The numerical procedure ...
    • Simulations of light curves and spectra for superluminous Type Ic supernovae powered by magnetars 
      Dessart, Luc (EDP Sciences, 2019)
      Numerous superluminous supernovae (SLSNe) of Type Ic have been discovered and monitored in the last decade. The favored mechanism at their origin is a sustained power injection from a magnetar. This study presents non-local ...
    • Preface of the Special Issue New Horizons in Optimal Control- a Special Tribute to Helmut Maurer, Urszula ... 
      Burachik, Regina; de Pinho, Maria do Rosário; Sagastizábal, Claudia; Zidani, Hasnaa (Springer, 2019)
    • Organic acids and high soil CO2 drive intense chemical weathering of Hawaiian basalts: insights from reactive ... 
      Pérez Fodich, Alida; Derry, Louis A. (Elsevier, 2019)
      We have investigated how biota contributes to rapid chemical weathering of Hawaiian basalts using a reactive transport model and chemical data from a soil chronosequence. These Hawaiian soils have developed under a tropical ...
    • Optical, vibrational and fluorescence recombination pathway properties of nano SiO2-PVA composite films 
      Karthikeyan, B.; Hariharan, S.; Sasidharan, Arya; Gayathri, V.; Arun, T.; Akbari Fakhrabadi, Ali; Madhumitha, C. (Elsevier, 2019)
      We report optical and spectroscopic investigations on polyvinyl alcohol (PVA)/silica composite free standing films. Amorphous silica nanoparticles are synthesized from rice husk ash using pyrolysis technique. PVA/silica ...
    • Photometric and Spectroscopic Properties of Type Ia Supernova 2018oh with Early Excess Emission from the ... 
      Li, W.; Wang, X.; Vinkó, J.; Mo, J.; Hosseinzadeh, G.; Sand, D. J.; Zhang, J.; Lin, H.; Zhang, T.; Wang, L.; Zhang, J.; Chen, Z.; Xiang, D.; Rui, L.; Huang, F.; Li, X.; Zhang, X.; Li, L.; Baron, E.; Derkacy, J. M.; Zhao, X.; Sai, H.; Zhang, K.; Wang, L.; Howell, D. A.; McCully, C.; Arcavi, I.; Valenti, S.; Hiramatsu, D.; Burke, J.; Rest, A.; Garnavich, P.; Tucker, B. E.; Narayan, G.; Shaya, E.; Margheim, S.; Zenteno, A.; Villar, A.; Dimitriadis, G.; Foley, R. J.; Pan, Y.-C.; Coulter, D. A.; Fox, O. D.; Jha, S. W.; Jones, D. O.; Kasen, N. D.; Kilpatrick, C. D.; Piro, A. L.; Riess, A. G.; Rojas Bravo, C.; Shappee, B. J.; Holoien, T. W.-S.; Stanek, K. Z.; Drout, M. R.; Auchettl, K.; Kochanek, C. S.; Brown, J. S.; Bose, S.; Bersier, D.; Brimacombe, J.; Chen, P.; Dong, S.; Holmbo, S.; Muñoz, J. A.; Mutel, R. L.; Post, R. S.; Prieto, J. L.; Shields, J.; Tallon, D.; Thompson, T. A.; Vallely, P. J.; Villanueva, S.; Smartt, S. J.; Smith, K. W.; Chambers, K. C.; Flewelling, H. A.; Huber, M. E.; Magnier, E. A.; Waters, C. Z.; Schultz, A. S. B.; Bulger, J.; Lowe, T. B.; Willman, M.; Sárneczky, K.; Pál, A.; Wheeler, J. C.; Bódi, A.; Bognár, Zs.; Csák, B.; Cseh, B.; Csörnyei, G.; Hanyecz, O.; Ignácz, B.; Kalup, Cs.; Könyves-Tóth, R.; Kriskovics, L.; Ordasi, A.; Rajmon, I.; Sódor, A.; Szabó, R.; Szakáts, R.; Zsidi, G.; Milne, P.; Andrews, J. E.; Smith, N.; Bilinski, C.; Brown, P. J.; Nordin, J.; Williams, S. C.; Galbany, Lluis; Palmerio, J.; Hook, I. M.; Inserra, C.; Maguire, K.; Cartier, Régis; Razza, A.; Gutiérrez, C. P.; Hermes, J. J.; Reding, J. S.; Kaiser, B. C.; Tonry, J. L.; Heinze, A. N.; Denneau, L.; Weiland, H.; Stalder, B.; Barentsen, G.; Dotson, J.; Barclay, T.; Gully-Santiago, M.; Hedges, C.; Cody, A. M.; Howell, S.; Coughlin, J.; Van Cleve, J. E.; Vinícius de Miranda Cardoso, J.; Larson, K. A.; McCalmont-Everton, K. M.; Peterson, C. A.; Ross, S. E.; Reedy, L. H.; Osborne, D.; McGinn, C.; Kohnert, L.; Migliorini, L.; Spencer, B.; Labonde, C.; Castillo, G.; Beerman, G.; Steward, K.; Hanley, M.; Larsen, R.; Gangopadhyay, R.; Kloetzel, R.; Weschler, T.; Nystrom, V.; Moffatt, J.; Redick, M.; Griest, K.; Packard, M.; Muszynski, M.; Kampmeier, J.; Bjella, R.; Flynn, S.; Elsaesser, B. (IOP Publishing, 2019)
      Supernova (SN) 2018oh (ASASSN-18bt) is the first spectroscopically confirmed Type Ia supernova (SN Ia) observed in the Kepler field. The Kepler data revealed an excess emission in its early light curve, allowing us to place ...
    • Necessary and Sufficient Conditions for Qualitative Properties of Infinite Dimensional Linear Programming Problems 
      Khanh, Pham Duy; Moc, Tran Hong; Tran, Trinh T. T. (Taylor & Francis, 2019)
      Necessary and sufficient conditions for qualitative properties of infinite dimensional linear programing problems such as solvability, duality, and complementary slackness conditions are studied in this article. As ...