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Browsing MIT Open Access Articles by Title

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  • Triantafyllou, Christina; Brown, Emery N.; Whitfield-Gabrieli, Susan; Scholz, Jonathan; Saxe, Rebecca R. (Public Library of Science, 2009-03)
    In functional magnetic resonance imaging (fMRI) studies, a cortical region in the right temporo-parietal junction (RTPJ) is recruited when participants read stories about people's thoughts (‘Theory of Mind’). Both fMRI and ...
  • McLaughlin, Nathan; Foster, Kelly A.; Edbauer, Dieter; Phillips, Marnie A.; Bolton, Andrew Donald; Constantine-Paton, Martha; Sheng, Morgan Hwa-Tze (Society for Neuroscience, 2010-02)
    NMDA receptors (NMDARs) are critical mediators of activity-dependent synaptic plasticity, but the differential roles of NR2A- versus NR2B-containing NMDARs have been controversial. Here, we investigate the roles of NR2A ...
  • Gordan, Raluca; Hartemink, Alexander J.; Bulyk, Martha L. (Cold Spring Harbor Laboratory Press, 2009-08)
    Transcriptional regulation is largely enacted by transcription factors (TFs) binding DNA. Large numbers of TF binding motifs have been revealed by ChIP-chip experiments followed by computational DNA motif discovery. However, ...
  • Aral, Sinan; Sundararajan, Arun; Muchnik, Lev (National Academy of Sciences, 2009-12)
    Node characteristics and behaviors are often correlated with the structure of social networks over time. While evidence of this type of assortative mixing and temporal clustering of behaviors among linked nodes is used to ...
  • Gallagher, Gillian; Coon Burgess, Jessica Louise (Springer Science + Business Media B.V., 2009-08)
    This paper argues that long-distance assimilations between consonants come in two varieties: Total identity, which arises via a non-local relation between the interacting segments; and partial identity, which results from ...
  • Pavone, Marco; Arsie, Alessandro; Frazzoli, Emilio; Bullo, Francesco (Institute of Electrical and Electronics Engineers (IEEE), 2011-08)
    A widely applied strategy for workload sharing is to equalize the workload assigned to each resource. In mobile multiagent systems, this principle directly leads to equitable partitioning policies whereby: 1) the environment ...
  • Tsitsiklis, John N.; Hendrickx, Julien; Olshevsky, Alexander (Institute of Electrical and Electronics Engineers (IEEE), 2011-08)
    We propose a model for deterministic distributed function computation by a network of identical and anonymous nodes. In this model, each node has bounded computation and storage capabilities that do not grow with the network ...
  • Hendrickx, Julien; Olshevsky, Alexander; Tsitsiklis, John N. (Institute of Electrical and Electronics Engineers, 2010-01)
    We propose a model for deterministic distributed function computation by a network of identical and anonymous nodes, with bounded computation and storage capabilities that do not scale with the network size. Our goal is ...
  • Bertsekas, Dimitri P.; Yu, Huizhen (University of Illinois at Urbana-Champaign, 2010-09)
    We consider the distributed solution of dynamic programming (DP) problems by policy iteration. We envision a network of processors, each updating asynchronously a local policy and a local cost function, defined on a ...
  • Jung, Kyomin; Shah, Devavrat; Shin, Jinwoo (Institute of Electrical and Electronics Engineers (IEEE), 2009-12)
    Motivated by applications of distributed linear estimation, distributed control, and distributed optimization, we consider the question of designing linear iterative algorithms for computing the average of numbers in a ...
  • Correll, Nikolaus; Martinoli, Alcherio; Amstutz, Patrick (Springer Netherlands, 2009-03)
    We study distributed boundary coverage of known environments using a team of miniature robots. Distributed boundary coverage is an instance of the multi-robot task-allocation problem and has applications in inspection, ...
  • McLurkin, James; Demaine, Erik D. (Institute of Electrical and Electronics Engineers, 2009-12)
    We describe a distributed boundary detection algorithm suitable for use on multi-robot systems with dynamic network topologies. We assume that each robot has access to its local network geometry, which is the combination ...
  • Ponda, Sameera S.; Johnson, Luke B.; How, Jonathan P. (American Automatic Control Council, 2012-06)
    This research presents a distributed chanceconstrained task allocation framework that can be used to plan for multi-agent networked teams operating in stochastic and dynamic environments. The algorithm employs an approximation ...
  • Kuhn, Fabian; Lynch, Nancy Ann; Oshman, Rotem (Association for Computing Machinery, 2010)
    In this paper we investigate distributed computation in dynamic networks in which the network topology changes from round to round. We consider a worst-case model in which the communication links for each round are chosen ...
  • Ching, ShiNung; Brown, Emery N.; Kramer, Mark A. (American Physical Society, 2012-08)
    Brain electrical stimulation (BES) has long been suggested as a means of controlling pathological brain activity. In epilepsy, control of a spatially localized source, the seizure focus, may normalize neuronal dynamics. ...
  • Frazzoli, Emilio; Ramirez, Jaime L.; Pavone, Marco; Miller, David W. (Institute of Electrical and Electronics Engineers, 2009-07)
    In this paper we study distributed control policies for spacecraft formations that draw inspiration from the simple idea of cyclic pursuit. First, we extend existing cyclic-pursuit control laws devised for single-integrator ...
  • Poduri, Sameera; Sukhatme, Gaurav S.; Deshpande, Ajay A.; Rus, Daniela L. (Institute of Electrical and Electronics Engineers, 2009-07)
    This paper addresses the problem of coverage control of a network of mobile sensors. In the current literature, this is commonly formulated as a locational optimization problem under the assumption that sensing performance ...
  • Zhu, Minghui; Martínez, Sonia (Society for Industrial and Applied Mathematics, 2013-01)
    Inspired by current challenges in data-intensive and energy-limited sensor networks, we formulate a coverage optimization problem for mobile sensors as a (constrained) repeated multiplayer game. Each sensor tries to optimize ...
  • Eryilmaz, Atilla; Ozdaglar, Asuman E.; Shah, Devavrat; Modiano, Eytan H. (Institute of Electrical and Electronics Engineers, 2010-04)
    In this paper, we provide and study a general framework that facilitates the development of distributed mechanisms to achieve full utilization of multihop wireless networks. In particular, we describe a generic randomized ...
  • Agaskar, Ameya P.; He, Ting; Tong, Lang (Institute of Electrical and Electronics Engineers, 2010-05)
    The problem of detecting multihop information flows subject to communication constraints is considered. In a distributed detection scheme, eavesdroppers are deployed near nodes in a network, each able to measure the ...
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