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Browsing MIT Open Access Articles by Title

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  • Conlon, David; Fox, Jacob; Gasarch, William; Harris, David G.; Ulrich, Douglas; Zbarsky, Samuel (Society for Industrial and Applied Mathematics, 2015-03)
    Suppose that a and d are positive integers with a ≥ 2. Let h[subscript a,d](n) be the largest integer t such that any set of n points in R[superscript d] contains a subset of t points for which all the nonzero volumes of ...
  • Lusztig, George (American Mathematical Society (AMS), 2014-08)
    We define and study a correspondence between the set of distinguished G[superscript 0]-conjugacy classes in a fixed connected component of a reductive group G (with G[superscript 0] almost simple) and the set of (twisted) ...
  • Haslanger, Sally (Muse - Johns Hopkins University Press, 2015-03)
    Recent work on social injustice has focused on implicit bias as an important factor in explaining persistent injustice in spite of achievements on civil rights. In this paper, I argue that because of its individualism, ...
  • Yang, Yu; Yao, Hongwei; Hong, Mei (American Chemical Society (ACS), 2015-03)
    Nonlamellar lipid membranes are frequently induced by proteins that fuse, bend, and cut membranes. Understanding the mechanism of action of these proteins requires the elucidation of the membrane morphologies that they ...
  • 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 ...
  • Rieder, Harald E.; Polvani, Lorenzo M.; Solomon, Susan (American Geophysical Union (AGU), 2014-04)
    Whether stratospheric cooling due to increases in well-mixed greenhouse gases (WMGHG) could increase the depletion of Arctic stratospheric ozone has been the subject of scientific and public attention for decades. Here we ...
  • 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 ...
  • Pottschmidt, K.; Miyasaka, Hiromasa; Bhalerao, V.; Bachetti, M.; Boggs, S. E.; Christensen, F. E.; Craig, W. W.; Hailey, C. J.; Harrison, F. A.; Kennea, Jamie A.; Rahoui, F.; Stern, D.; Tendulkar, S. P.; Tomsick, J. A.; Walton, D. J.; Wilms, J.; Zhang, W. W.; Furst, F.; Grinberg, Victoria (IOP Publishing, 2015-06)
    We present spectral analysis of Nuclear Spectroscopic Telescope Array and Swift observations of Cep X-4 during its outburst in 2014. We observed the source once during the peak of the outburst and once during the decay, ...
  • Gargallo-Peiró, Abel; Sarrate, Josep; Roca Navarro, Francisco Javier; Peraire, Jaime (Springer London, 2014-07)
    A procedure to quantify the distortion (quality) of a high-order mesh composed of curved tetrahedral elements is presented. The proposed technique has two main applications. First, it can be used to check the validity and ...
  • Park, Stephen K. (Society of Exploration Geophysicists, 1985-05)
    Distortions of magnetotelluric fields caused by threedimensional (3-D) structures can be severe and are not predictable using one-dimensional or two-dimensional modeling. I used a 3-D modeling algorithm based upon an ...
  • Norman-Haignere, Samuel Victor; McDermott, Joshua H. (Elsevier, 2016-01)
    Nonlinearities in the cochlea can introduce audio frequencies that are not present in the sound signal entering the ear. Known as distortion products (DPs), these added frequencies complicate the interpretation of auditory ...
  • Gilpin, Kyle W.; Rus, Daniela L. (Institute of Electrical and Electronics Engineers (IEEE), 2012-05)
    We present our digital fabrication technique for manufacturing active objects in 2D from a collection of smart particles. Given a passive model of the object to be formed, we envision submerging this original in a vat of ...
  • 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 ...
  • Wei, Ermin; Ozdaglar, Asuman E. (Institute of Electrical and Electronics Engineers (IEEE), 2012-12)
    We consider a network of agents that are cooperatively solving a global unconstrained optimization problem, where the objective function is the sum of privately known local objective functions of the agents. Recent literature ...
  • 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, ...
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