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Browsing MIT Open Access Articles by Title

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  • Oh, Dahyun; Dang, Xiangnan; Yi, Hyunjung; Allen, Mark A.; Xu, Kang; Lee, Yun Jung; Belcher, Angela M. (Wiley-VCH Verlag GmbH & Co., 2012-04)
    Utilization of the material-specific peptide–substrate interactions of M13 virus broadens colloidal stability window of graphene. The homogeneous distribution of graphene is maintained in weak acids and increased ionic ...
  • Csikvari, Peter; Lin, Zhicong (European Mathematical Information Service (EMIS), 2014-10)
    In this paper we study several problems concerning the number of homomorphisms of trees. We begin with an algorithm for the number of homomorphisms from a tree to any graph. By using this algorithm and some transformations ...
  • Mazumder, Rahul; Hastie, Trevor (Institute of Mathematical Statistics, 2012)
    The graphical lasso [5] is an algorithm for learning the structure in an undirected Gaussian graphical model, using ℓ[subscript 1] regularization to control the number of zeros in the precision matrix Θ = Σ[superscript −1] ...
  • Vona, Marsette A. (Institute of Electrical and Electronics Engineers (IEEE), 2010-04)
    This paper presents the design and implementation of algorithms for a new graphical operations interface system specifically adapted to operating modular reconfigurable articulated surface systems. Geometric models of ...
  • Kleindienst, Siân; Bodart, Magali; Andersen, Marilyne (Illuminating Engineering Society of North America, 2008-07)
    Many conventional daylighting design tools are limited in that each simulation represents only one time of year and time of day (or a single, theoretical overcast sky condition). Since daylight is so variable – due to the ...
  • Jindal, Alekh; Madden, Samuel R. (Institute of Electrical and Electronics Engineers (IEEE), 2014-10)
    Graph analytics is becoming increasingly popular, driving many important business applications from social network analysis to machine learning. Since most graph data is collected in a relational database, it seems natural ...
  • Blanchard, R.; Menzel, S.; Pflugl, C.; Diehl, L.; Wang, Christine A.; Huang, Y.; Ryou, J.-H.; Dupuis, R. D.; Negro, L. Dal; Capasso, Federico (Institute of Physics Publishing, 2011-11)
    We propose a new class of gratings having multiple spatial frequencies. Their design relies on the use of small aperiodic grating sequences as unit cells whose repetition forms a superlattice. The superlattice provides ...
  • Castelli, F.; Castillo, Aldrich; Entekhabi, Dara (Copernicus GmbH, 2015-04)
    Distributed and continuous catchment models are used to simulate water and energy balance and fluxes across varied topography and landscape. The landscape is discretized into computational plan elements at resolutions of ...
  • Kaspi, Yohai; Hubbard, William B.; Showman, Adam P.; Flierl, Glenn Richard (American Geophysical Union (AGU), 2010-01)
    Telescopic observations and space missions to Jupiter have provided vast information about Jupiter's cloud level winds, but the depth to which these winds penetrate has remained an ongoing mystery. Scheduled to be launched ...
  • Hughes, Scott A. (Elsevier, 2014-10)
    The first direct observation of gravitational waves’ action upon matter has recently been reported by the BICEP2 experiment. Advanced ground-based gravitational-wave detectors are being installed. They will soon be ...
  • Regimbau, T.; Hughes, Scott A. (American Physical Society, 2009-03)
    Increasing the sensitivity of a gravitational-wave (GW) detector improves our ability to measure the characteristics of detected sources. It also increases the number of weak signals that contribute to the data. Because ...
  • Dwyer, Sheila Elizabeth; Sigg, Daniel; Ballmer, Stefan W.; Barsotti, Lisa; Mavalvala, Nergis; Evans, Matthew J. (American Physical Society, 2015-04)
    Twenty years ago, construction began on the Laser Interferometer Gravitational-wave Observatory (LIGO). Advanced LIGO, with a factor of 10 better design sensitivity than Initial LIGO, will begin taking data this year, and ...
  • Aggarwal, Nancy; Barnum, Sam; Barsotti, Lisa; Bodiya, Timothy Paul; Donovan, Frederick J.; Essick, Reed Clasey; Evans, Matthew J.; Foley, S.; Fritschel, Peter K.; Gras, Slawek; Isogai, Tomoki; Katsavounidis, Erotokritos; Kissel, Jeffrey S.; Kwee, Patrick; Lee, J.; MacInnis, Myron E.; Mason, Kenneth R.; Matichard, Fabrice; Mavalvala, Nergis; Mittleman, Richard K.; Oelker, Eric Glenn; Shoemaker, David H.; Vaulin, Ruslan; Vitale, S.; Waldman, S. J.; Weiss, Rainer; Wipf, C. C.; Zhang, F.; Zucker, Michael E. (IOP Publishing, 2014-04)
    We present the results of searches for gravitational waves from a large selection of pulsars using data from the most recent science runs (S6, VSR2 and VSR4) of the initial generation of interferometric gravitational wave ...
  • Hughes, Scott A. (Annual Reviews, 2009-09)
    Largely motivated by the development of highly sensitive gravitational-wave detectors, our understanding of merging compact binaries and the gravitational waves they generate has improved dramatically in recent years. ...
  • Yunes, Nicolas; Cornish, N.; Sampson, Laura; Pretorius, Frans (American Physical Society (APS), 2011-09)
    Gravitational wave astronomy has tremendous potential for studying extreme astrophysical phenomena and exploring fundamental physics. The waves produced by binary black hole mergers will provide a pristine environment in ...
  • Diorio, James D.; Cho, Yeunwoo; Duncan, James H.; Akylas, Triantaphyllos R. (American Physical Society, 2009-09)
    The nonlinear wave pattern generated by a localized pressure source moving over a liquid free surface at speeds below the minimum phase speed (c [subscript min]) of linear gravity-capillary waves is investigated experimentally ...
  • Tanino, Yukie; Nepf, Heidi; Kulis, P. S. (American Geophysical Union, 2005-12)
    A lock exchange experiment is used to investigate the propagation of gravity currents through a random array of rigid, emergent cylinders which represents a canopy of aquatic plants. As canopy drag increases, the propagating ...
  • McGreevy, John; Balasubramanian, Koushik (American Physical Society, 2008-08)
    We attempt to generalize the anti–de Sitter/conformal field theory correspondence to nonrelativistic conformal field theories which are invariant under Galilean transformations. Such systems govern ultracold atoms at ...
  • Mazarico, Erwan Matias; Genova, Antonio; Goossens, Sander; Lemoine, Frank G.; Neumann, Gregory A.; Solomon, Sean C.; Zuber, Maria; Smith, David Edmund (American Geophysical Union (AGU), 2014-12)
    We have analyzed 3 years of radio tracking data from the MESSENGER spacecraft in orbit around Mercury and determined the gravity field, planetary orientation, and ephemeris of the innermost planet. With improvements in ...
  • Gruber, Jonathan; Hendren, Nathaniel; Townsend, Robert (American Economic Association, 2014-01)
    This paper analyzes Thailand's 2001 healthcare reform, "30 Baht." The program increased funding available to hospitals to care for the poor and reduced copays to 30 Baht (~$0.75). Our estimates suggest the supply-side ...
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