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Browsing MIT Open Access Articles by Title
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(American Economic Association, 2012-02)For political and practical reasons, environmental regulations sometimes treat point-source polluters, such as power plants, differently from mobile-source polluters, such as vehicles. This paper measures the extent of ...
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(Wiley Blackwell, 2013-07)A sacrificial-post templating method is presented for directing block copolymer self-assembly to form nanostructures consisting of monolayers and bilayers of microdomains. In this approach, the topographical post template ...
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(Institute of Electrical and Electronics Engineers, 2013-05)A minimax metaconverse has recently been proposed as a simultaneous generalization of a number of classical results and a tool for the nonasymptotic analysis. In this paper, it is shown that the order of optimizing the ...
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(Nature Publishing Group, 2016-09)The quantum mechanical description of isomerization is based on bound eigenstates of the molecular potential energy surface. For the near-minimum regions there is a textbook-based relationship between the potential and ...
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(Wiley Blackwell, 2011-03)Safer flow: The synthesis of 5-substituted tetrazoles in flow (see scheme) is safe, efficient, scalable, requires no metal promoter, and uses a near-equimolar amount of NaN[subscript 3], yet nonetheless displays a broad ...
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(American Economic Association, 2016-05)We explore the consequences of safe asset scarcity on aggregate demand in a stylized IS-LM/Mundell Fleming style environment. Acute safe asset scarcity forces the economy into a "safety trap" recession. In the open economy, ...
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(American Economic Association, 2017-08)A safe asset is a simple debt instrument that is expected to preserve its value during adverse systemic events. The supply of safe assets, private and public, has historically been concentrated in a small number of advanced ...
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(Institute of Electrical and Electronics Engineers (IEEE), 2009-08)Although fall is a rare event in the life of a humanoid robot, we must be prepared for it because its consequences are serious. In this paper we present a fall strategy which rapidly modifies the robot's fall direction in ...
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Safe Local Navigation for Visually Impaired Users With a Time-of-Flight and Haptic Feedback Device (Institute of Electrical and Electronics Engineers (IEEE), 2018-01)This paper presents ALVU (Array of Lidars and Vibrotactile Units), a contactless, intuitive, hands-free, and discreet wearable device that allows visually impaired users to detect low- and high-hanging obstacles, as well ...
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Safe Local Navigation for Visually Impaired Users with a Time-of-Flight and Haptic Feedback Device (Institute of Electrical and Electronics Engineers (IEEE), 2018-03)This paper presents ALVU (Array of Lidars and Vibrotactile Units), a contactless, intuitive, hands-free, and discreet wearable device that allows visually impaired users to detect low- and high-hanging obstacles, as well ...
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(Elsevier, 2013-12)Many urban designers and researchers argue that walkable urban environments can encourage older residents’ walking activities that benefit their physical health. However, walking also exposes older adults to safety risks, ...
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(Elsevier, 2013-05)Background The nuclear transcription factor c-Jun is preferentially expressed in basal-cell carcinoma. Dz13 is a deoxyribozyme that targets JUN messenger RNA and has inhibited the growth of a range of tumours in mice. We ...
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(Institute of Electrical and Electronics Engineers, 2011-12)In this paper, we consider the safety control problem for hidden mode hybrid systems (HMHSs), which are a special class of hybrid automata in which the mode is not available for control. For these systems, safety control ...
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(Institute of Electrical and Electronics Engineers, 2011-12)This paper is concerned with safety control of systems with imperfect state information and disturbance input. Specifically, we consider the class of systems whose dynamics preserve a partial ordering. We provide necessary ...
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(Institute of Electrical and Electronics Engineers, 2010-03)Too often, systems are designed and then an attempt is made to add safety features or to prove that the design is safe after the fact. Safety has to be designed into a system from the start-it cannot be effectively added ...
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(Institute of Electrical and Electronics Engineers (IEEE), 2011-09)In this article, we have illustrated the application of a formal hybrid control approach to design semiautonomous multivehicle systems that are guaranteed to be safe. Our experimental results illustrate that, in a structured ...
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(National Academy of Sciences (U.S.), 2014-03)Rett syndrome (RTT) is a severe X-linked neurodevelopmental disorder mainly affecting females and is associated with mutations in MECP2, the gene encoding methyl CpG-binding protein 2. Mouse models suggest that recombinant ...
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(Oxford University Press (OUP), 2017-02)In this article, we provide a model of the macroeconomic implications of safe asset shortages. In particular, we discuss the emergence of a deflationary safety trap equilibrium with endogenous risk premia. It is an acute ...
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(Robotics: Science and Systems Foundation, 2017-07)Robots that use learned perceptual models in the real world must be able to safely handle cases where they are forced to make decisions in scenarios that are unlike any of their training examples. However, state-of-the-art ...
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(IOP Publishing, 2017-07)Understanding the origin of the flaring activity from the Galactic center supermassive black hole Sagittarius A* is a major scientific goal of the NuSTAR Galactic plane survey campaign. We report on the data obtained between ...
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