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Browsing MIT Open Access Articles by Title

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  • Cheah, Lynette Wan Ting (Institute of Electrical and Electronics Engineers, 2009-07)
    To achieve better fuel economy, automakers are seriously considering vehicle weight and size reduction. This is achieved by using lighter-weight materials like high-strength steel and aluminum, better vehicle design, and ...
  • Karp, Jeffrey M.; Langer, Robert (Nature Publishing Group, 2011-08)
    Sticking plasters revolutionized the protection of minor wounds, but they're not ideal for fragile skin. A material that mimics the adhesive properties of certain beetles' feet might provide a solution.
  • Cranford, Steven Wayne; Buehler, Markus J. (Dove Medical Press, 2010-11)
    Materiomics is an emerging field of science that provides a basis for multiscale material system characterization, inspired in part by natural, for example, protein-based materials. Here we outline the scope and explain ...
  • Nodine, Michael D.; Bartel, David (Nature Publishing Group, 2012-01)
    In animals, maternal gene products deposited into eggs regulate embryonic development before activation of the zygotic genome1. In plants, an analogous period of prolonged maternal control over embryogenesis is thought to ...
  • Gardiner, Bruce S; Zhang, Lihai; Smith, David W; Pivonka, Peter; Grodzinsky, Alan J. (BioMed Central Ltd, 2011-09)
    Background In many biological and therapeutic contexts, it is highly desirable to target a chemical specifically to a particular tissue where it exerts its biological effect. In this paper, we present a simple, generic, ...
  • Shepp, Lawrence A.; Pinto, Pedro C.; Win, Moe Z. (Institute of Electrical and Electronics Engineers, 2009-03)
    n this paper, we introduce a mathematical framework for the characterization of network interference in wireless systems. We consider a network in which the interferers are scattered according to a spatial Poisson process ...
  • Bouvrie, Jacob Vincent; Rosasco, Lorenzo Andrea; Poggio, Tomaso A.; Smale, S.; Caponnetto, A. (Springer-Verlag, 2009-06)
    We propose a natural image representation, the neural response, motivated by the neuroscience of the visual cortex. The inner product defined by the neural response leads to a similarity measure between functions which we ...
  • Griffith, Linda G.; Rodrigues, Melanie; Nuschke, Austin; Wells, Alan; Yates, Cecelia C. (Mary Ann Liebert, 2013-09)
    Multipotential stromal cells/mesenchymal stem cells (MSCs) are attractive candidates for regenerative therapy due to the ability of these cells to differentiate and positively influence neighboring cells. However, on ...
  • Naba, Alexandra; Clauser, Karl R.; Hoersch, Sebastian; Lui, Hui; Carr, Steven A.; Hynes, Richard O. (American Society for Biochemistry and Molecular Biology, 2011-12)
    The extracellular matrix (ECM) is a complex meshwork of cross-linked proteins providing both biophysical and biochemical cues that are important regulators of cell proliferation, survival, differentiation, and migration. ...
  • Drakonakis, Vasileios M.; Velisaris, Chris N.; Seferis, James C.; Doumanidis, Charalambos C.; Wardle, Brian L.; Papanicolaou, George C. (John Wiley & Sons, Inc., 2010-05)
    Polymeric composites have gone through a level of maturity beyond the laboratory stage with the development of the Boeing 787, the structure of which contains more than 50% composites. Nonetheless, a basic understanding ...
  • Grogan, Paul Thomas; Siddiqi, Afreen; de Weck, Olivier L. (American Institute of Aeronautics and Astronautics, 2011-08)
    This paper presents matrix-based methods for determining optimal cargo manifests for space exploration. An exploration system is defined as a sequence of in-space and on-surface transports between multiple nodes coupled ...
  • Hendrickx, Julien; Olshevsky, Alexander (Society for Industrial and Applied Mathematics, 2010-10)
    We show that, for any rational p ∈ [1,∞) [p is an element of the set [1, infinity)] except p = 1, 2, unless P = NP, there is no polynomial time algorithm which approximates the matrix p-norm to arbitrary relative precision. ...
  • Chiu, Jiawei; Demanet, Laurent (Society for Industrial and Applied Mathematics, 2012-02)
    When a matrix A with n columns is known to be well-approximated by a linear combination of basis matrices B1, . . . , Bp, we can apply A to a random vector and solve a linear system to recover this linear combination. The ...
  • Przybyla, Laralynne M.; Theunissen, Thorold W.; Jaenisch, Rudolf; Voldman, Joel (Wiley Blackwell, 2013-05)
    While a variety of natural and synthetic matrices have been used to influence embryonic stem cell (ESC) self-renewal or differentiation, and ESCs also deposit a rich matrix of their own, the mechanisms behind how extracellular ...
  • Goemans, Michel X.; Olver, Neil; Zenklusen, Rico; Rothvoss, Thomas (2012-05)
    Until recently, LP relaxations have only played a very limited role in the design of approximation algorithms for the Steiner tree problem. In particular, no (efficiently solvable) Steiner tree relaxation was known to have ...
  • Taylor, Washington; Morrison, David R. (Springer-Verlag, 2012-01)
    We analyze the structure of matter representations arising from codimension two singularities in F-theory, focusing on gauge groups SU(N). We give a detailed local description of the geometry associated with several types ...
  • Sanders, Scott N.; Mintert, Florian; Heller, Eric J. (American Physical Society, 2010-07)
    We study matter-wave scattering from an ultracold, many-body atomic system trapped in an optical lattice. The angular cross section of the target lattice for a matter wave is determined and is demonstrated to have a strong ...
  • Azoulay, Pierre; Stuart, Toby; Wang, Yanbo (Institute for Operations Research and the Management Sciences (INFORMS), 2014-01)
    In a market context, a status effect occurs when actors are accorded differential recognition for their efforts depending on their location in a status ordering, holding constant the quality of these efforts. In practice, ...
  • Orlin, James B. (Association for Computing Machinery, 2013-06)
    In this paper, we present improved polynomial time algorithms for the max flow problem defined on sparse networks with n nodes and m arcs. We show how to solve the max flow problem in O(nm + m[superscript 31/16] log[superscript ...
  • Gunby, Benjamin P. (Electronic Journal of Combinatorics, 2014-08)
    A permutation σ ∈ S[subscript n] is a k-separator if all of its patterns of length k are distinct. Let F(k) denote the maximal length of a k-separator. Hegarty (2013) showed that k + ⌊√2k − 1⌋ − 1 ≤ F(k) ≤ k + ⌊√2k − 3⌋, ...
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