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Browsing MIT Open Access Articles by Title

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  • Beck, Matthias; Haase, Christian; Sam, Steven V. (Springer Science + Business Media B.V., 2009-02)
    We examine domino tilings of rectangular boards, which are in natural bijection with perfect matchings of grid graphs. This leads to the study of their associated perfect matching polytopes, and we present some of their ...
  • Schmalensee, Richard; Heidel, Timothy D.; Kassakian, John G. (Public Utilities Reports Inc., 2012-01)
    A few years ago, former Secretary of Energy Bill Richardson characterized the U.S. electric grid, the system of physical and human systems linking generators to loads, as “third-world.” 1 More recently, others have claimed ...
  • Rodi, William L. (Elsevier, 2006-06)
    This study employs an event location algorithm based on grid search to investigate the possibility of improving seismic event location accuracy by using non-Gaussian error models. The primary departure from the Gaussian ...
  • Chen, Gang; Lan, Yucheng; Wang, Hui; Ren, Zhifeng; Wang, Dezhi (Hindawi Pub. Corp., 2010-06)
    New TEM grids coated with ultrathin amorphous Al2O3 films have been developed using atomic layer deposition technique. The amorphous Al2O3 films can withstand temperatures over 600∘C in air and 900∘C in vacuum when the ...
  • Levin, Z.; Ardon Dryer, Karin (Copernicus GmbH, 2014-05)
    Ice nuclei were measured in immersion-freezing mode in the eastern Mediterranean region using the FRIDGE-TAU (FRankfurt Ice-nuclei Deposition freezinG Experiment, the Tel Aviv University version) chamber. Aerosol particles ...
  • Shporer, A.; Winn, Joshua Nathan; Dreizler, S.; Colon, K. D.; Wood-Vasey, W. M.; Choi, P. I.; Morley, C.; Moutou, C.; Welsh, W. F.; Pollaco, D.; Starkey, D.; Adams, E.; Barros, S. C. C.; Bouchy, F.; Cabrera-Lavers, A.; Cerutti, S.; Coban, L.; Costello, K.; Deeg, H.; Diaz, R. F.; Esquerdo, G. A.; Fernandez, J.; Fleming, S. W.; Ford, E. B.; Fulton, B. J.; Good, M.; Hebrard, G.; Holman, M. J.; Hunt, M.; Kadakia, S.; Lander, G.; Lockhart, Matthew; Mazeh, T.; Morehead, R. C.; Nelson, B. E.; Nortmann, L.; Reyes, F.; Roebuck, E.; Rudy, A. R.; Ruth, R.; Simpson, E.; Vincent, C.; Weaver, G.; Xie, J. W. (IOP Publishing, 2010-09)
    We present ground-based optical observations of the 2009 September and 2010 January transits of HD 80606b. Based on three partial light curves of the 2009 September event, we derive a midtransit time of Tc [HJD] = 2455099.196 ...
  • Guenther, Matthew G.; Young, Richard A.; Young, Richard A. (Elsevier, 2012-05)
    Growing mouse pluripotent stem cells in defined media with signaling inhibitors establishes a naive ground state different from that of cells grown in serum. Recently in Cell, Marks et al. (2012) reported differences in ...
  • Roy, Brandon C.; Vosoughi, Soroush; Roy, Deb K. (International Speech Communication Association, 2014-09)
    Natural language is rich and varied, but also highly structured. The rules of grammar are a primary source of linguistic regularity, but there are many other factors that govern patterns of language use. Language models ...
  • Tellex, Stefanie A.; Roy, Deb K. (Association for Computing Machinery, 2009-11)
    Spatial language video retrieval is an important real-world problem that forms a test bed for evaluating semantic structures for natural language descriptions of motion on naturalistic data. Video search by natural language ...
  • Pinto, Federico; Whittle, Andrew (American Society of Civil Engineers (ASCE), 2014-04)
    This paper presents simplified closed-form analytical solutions that can be used to interpret and predict ground movements caused by shallow tunneling in soft ground conditions. These solutions offer a more comprehensive ...
  • McDaniel, Matt W.; Nishihata, Takayuki; Brooks, Christopher A.; Iagnemma, Karl (Institute of Electrical and Electronics Engineers, 2010-05)
    To operate autonomously in forested environments, unmanned ground vehicles (UGVs) must be able to identify the load-bearing surface of the terrain (i.e. the ground). This paper presents a novel two-stage approach for ...
  • Teller, Seth; Huang, Albert S.; Koch, Olivier A.; Walter, Matthew R. (Institute of Electrical and Electronics Engineers (IEEE), 2010-07)
    Precise calibration of camera intrinsic and extrinsic parameters, while often useful, is difficult to obtain during field operation and presents scaling issues for multi-robot systems. We demonstrate a vision-based approach ...
  • Cohn, Henry; Kumar, Abhinav; Schurmann, Achill (American Physical Society, 2009-12)
    We study dimensional trends in ground states for soft-matter systems. Specifically, using a high-dimensional version of Parrinello-Rahman dynamics, we investigate the behavior of the Gaussian core model in up to eight ...
  • Hu, Qing; Reno, John L.; Chan, Chun Wang Ivan (American Institute of Physics (AIP), 2012-10)
    A terahertz quantum cascade laser (THz QCL) architecture is presented in which only the ground state subbands of each quantum well are involved in the transport and lasing transition. Compared to state-of-the art THz QCLs ...
  • Grosse, Roger Baker; Johnson, Micah K.; Adelson, Edward H.; Freeman, William T. (Institute of Electrical and Electronics Engineers, 2010-05)
    The intrinsic image decomposition aims to retrieve “intrinsic” properties of an image, such as shading and reflectance. To make it possible to quantitatively compare different approaches to this problem in realistic settings, ...
  • Como, Giacomo (Institute of Electrical and Electronics Engineers, 2010-08)
    Typical minimum distances and error exponents are analyzed on the 8-PSK Gaussian channel for two capacity-achieving code ensembles with different algebraic structure. It is proved that the typical group code over the cyclic ...
  • Strang, W. Gilbert (American Mathematical Society, 2011-04)
    A product A=F[subscript 1]...F[subscript N] of invertible block-diagonal matrices will be banded with a banded inverse. We establish this factorization with the number N controlled by the bandwidths w and not by the ...
  • Ribeiro-Soares, J.; Almeida, R. M.; Barros, E. B.; Araujo, P. T.; Jorio, A.; Dresselhaus, Mildred; Cancado, L. G. (American Physical Society, 2014-09)
    Transition metal dichalcogenides (TMDCs) have emerged as a new two-dimensional material's field since the monolayer and few-layer limits show different properties when compared to each other and to their respective bulk ...
  • Park, Jun-geun; Charrow, Ben; Curtis, Dorothy; Battat, Jonathan; Minkov, Einat; Hicks, Jamey; Teller, Seth; Ledlie, Jonathan (Association for Computing Machinery, 2010-06)
    Most current methods for 802.11-based indoor localization depend on surveys conducted by experts or skilled technicians. Some recent systems have incorporated surveying by users. Structuring localization systems "organically," ...
  • Furman, Jeffrey L. (Association for Public Policy Analysis and Management/Wiley, 2012-05)
    This paper articulates a citation-based approach to science policy evaluation and employs that approach to investigate the impact of the United States’ 2001 policy regarding the federal funding of human embryonic stem cell ...
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