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Browsing MIT Open Access Articles by Title

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  • Shah, Devavrat; Zaman, Tauhid R. (Association for Computing Machinery, 2010-06)
    We provide a systematic study of the problem of finding the source of a computer virus in a network. We model virus spreading in a network with a variant of the popular SIR model and then construct an estimator for the ...
  • Langs, Georg; Menze, Bjoern H.; Lashkari, Danial; Golland, Polina (Elsevier, 2010-08)
    The relationship between spatially distributed fMRI patterns and experimental stimuli or tasks offers insights into cognitive processes beyond those traceable from individual local activations. The multivariate properties ...
  • Kovash, Michael A.; Daub, Brian; French, Jennifer Erin; Hanzl, Vladimir; Shoniyozov, Khayrullo; Matthews, June L.; Miller, Zachary; Yang, Hongwei (Institute of Electrical and Electronics Engineers, 2011-06)
    We report on recent efforts to design a solid plastic scintillation hodoscope to measure neutron production cross sections at low energies. Our program includes not only the development of the detector itself, but also a ...
  • Gorbachev, R. V.; Yu, G. L.; Kretinin, A. V.; Withers, F.; Cao, Y.; Mishchenko, A.; Grigorieva, I. V.; Novoselov, Kostya S.; Geim, A. K.; Song, Justin Chien Wen; Levitov, Leonid (American Association for the Advancement of Science (AAAS), 2014-09)
    Topological materials may exhibit Hall-like currents flowing transversely to the applied electric field even in the absence of a magnetic field. In graphene superlattices, which have broken inversion symmetry, topological ...
  • Liu, Xiong-Jun; Law, Kam Tuen; Ng, Tai-Kai; Lee, Patrick A. (American Physical Society, 2013-09)
    Chern insulators are band insulators which exhibit a gap in the bulk and gapless excitations in the edge. Detection of Chern insulators is a serious challenge in cold atoms since the Hall transport measurements are technically ...
  • Biswas, Rahul; Brady, Patrick R.; Burguet-Castell, Jordi; Cannon, K. C.; Clayton, Jessica; Dietz, Alexander; Fotopoulos, Nickolas; Goggin, Lisa M.; Keppel, D. G.; Pankow, Chris; Price, Larry R.; Vaulin, Ruslan (American Physical Society, 2012-06)
    There is a broad class of astrophysical sources that produce detectable, transient, gravitational waves. Some searches for transient gravitational waves are tailored to known features of these sources. Other searches make ...
  • Holleczek, Thomas; Yu, Liang; Lee, Joseph Kang; Senn, Oliver; Ratti, Carlo; Jaillet, Patrick (Association for Computing Machinery (ACM), 2014-08)
    Many modern and growing cities are facing declines in public transport usage, with few efficient methods to explain why. In this article, we show that urban mobility patterns and transport mode choices can be derived from ...
  • Cambrosio, Alberto; Jones, David Shumway; Mogoutov, Andrei (BioMed Central Ltd, 2011-05)
    Background: Scientists and experts in science policy have become increasingly interested in strengthening translational research. Efforts to understand the nature of translational research and monitor policy interventions ...
  • Jones, David Shumway; Cambrosio, Alberto; Andrei, Mogoutov (BioMed Central Ltd., 2011-05)
    Background Scientists and experts in science policy have become increasingly interested in strengthening translational research. Efforts to understand the nature of translational research and monitor policy interventions ...
  • Zhao, Yanchuan; Swager, Timothy Manning (American Chemical Society (ACS), 2013-12)
    Fluorinated tungsten calix[4]arene imido complexes were synthesized and used as receptors to detect and differentiate neutral organic compounds. It was found that the binding of specific neutral organic molecules to the ...
  • Tong, Lang; Anandkumar, Animashree; Willsky, Alan S. (Institute of Electrical and Electronics Engineers, 2009-08)
    The problem of binary hypothesis testing is considered when the measurements are drawn from a Markov random field (MRF) under each hypothesis. Spatial dependence of the measurements is incorporated by explicitly modeling ...
  • Andronesi, Ovidiu C.; Kim, Grace S.; Gerstner, Elizabeth R.; Batchelor, Tracy T.; Tzika, Aria A.; Fantin, Valeria R.; Vander Heiden, Matthew G.; Sorensen, A. Gregory (American Association for the Advancement of Science, 2012-01)
    Mutations in the gene isocitrate dehydrogenase 1 (IDH1) are present in up to 86% of grade II and III gliomas and secondary glioblastoma. Arginine 132 (R132) mutations in the enzyme IDH1 result in excess production of the ...
  • Mocz, Philip; Lee, Julia C.; Iwasawa, Kazushi; Canizares, Claude R. (IOP Publishing, 2011-02)
    We analyze the Chandra High Energy Transmission Grating Spectrometer observation of the Seyfert 2 AGN IRAS 18325-5926. We detect a v = –360[superscript +41] [subscript –66] km s[superscript –1] blueshifted ionized absorber ...
  • el Kaliouby, Rana; Mikhail, Mina (Institute of Electrical and Electronics Engineers, 2010-01)
    With recent advances in machine vision, automatic detection of human expressions in video is becoming important especially because human labeling of videos is both tedious and error prone. In this paper, we present an ...
  • Fang, Taotao; Buote, David A.; Humphrey, Philip J.; Canizares, Claude R. (IOP Publishing, 2011-03)
    Since the launch of the Einstein X-ray Observatory in the 1970s, a number of broad absorption features have been reported in the X-ray spectra of BL Lac objects. These features are often interpreted as arising from ...
  • Gillon, M.; Deming, Drake; Lovis, Christophe; Cubillos, P.; Harrington, Joseph; Stevenson, K. B.; Mayor, Michel; Pepe, F.; Queloz, D.; Segransan, D.; Udry, S.; Demory, Brice-Olivier; Valencia, Diana; Seager, Sara; Benneke, Bjoern (EDP Sciences, 2011-09)
    We report on the detection of a transit of the super-Earth 55 Cnc e with warm Spitzer in IRAC’s 4.5 μm band. Our MCMC analysis includes an extensive modeling of the systematic effects affecting warm Spitzer photometry, and ...
  • Li, Ping; Chakraborty, Sumit; Stubbe, JoAnne (American Chemical Society (ACS), 2009-08)
    Polyhydroxybutyrate (PHB) synthases catalyze the conversion of 3-hydroxybutyryl coenzyme A (HBCoA) to PHB with a molecular mass of 1.5 MDa. The class III synthase from Allochromatium vinosum is a tetramer of PhaEPhaC (each ...
  • Moradian, Zabihallah; Einstein, Herbert H.; Ballivy, Gerard (Springer-Verlag, 2015-06)
    Determination of the cracking levels during the crack propagation is one of the key challenges in the field of fracture mechanics of rocks. Acoustic emission (AE) is a technique that has been used to detect cracks as they ...
  • Coughlin, Joseph F.; Feron, Eric; Mao, Zhi-Hong; Pilutti, Tom; Tijerina, Louis; Yang, Ji Hyun (Institute of Electrical and Electronics Engineers (IEEE), 2009-06)
    This paper aims to provide reliable indications of driver drowsiness based on the characteristics of driver-vehicle interaction. A test bed was built under a simulated driving environment, and a total of 12 subjects ...
  • Swager, Timothy Manning; Esser, Birgit (Wiley Blackwell, 2010-10)
    Ripe fruits: The fluorescence of a conjugated polymer is quenched by the presence of copper(I) moieties. Upon exposure to ethylene gas the copper complexes bind to ethylene and no longer quench the polymer fluorescence ...
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