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Browsing MIT Open Access Articles by Title

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  • 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 ...
  • Savla, Ketan; Frazzoli, Emilio (Institute of Electrical and Electronics Engineers / IEEE Control Systems Society, 2010-08)
    In this technical note, we introduce a model of dynamical queue, in which the service time depends on the server utilization history. The proposed queueing model is motivated by widely accepted empirical laws describing ...
  • Leung, Debbie; Li, Ke; Smith, Graeme; Smolin, John A. (American Physical Society, 2014-07)
    Privacy is a fundamental feature of quantum mechanics. A coherently transmitted quantum state is inherently private. Remarkably, coherent quantum communication is not a prerequisite for privacy: there are quantum channels ...
  • Thaler, Jesse; Van Tilburg, Ken (Springer-Verlag, 2012-02)
    N -subjettiness is a jet shape designed to identify boosted hadronic objects such as top quarks. Given N subjet axes within a jet, N-subjettiness sums the angular distances of jet constituents to their nearest subjet axis. ...
  • Nieves, Veronica; Wang, Jingfeng; Bras, Rafael L.; Wood, Elizabeth B. (American Physical Society, 2010-09)
    Organizations of many variables in nature such as soil moisture and topography exhibit patterns with no dominant scales. The maximum entropy (ME) principle is proposed to show how these variables can be statistically ...
  • Zhang, Xiangxiong; Liu, Yuanyuan; Shu, Chi-Wang (Society for Industrial and Applied Mathematics, 2012-03)
    To easily generalize the maximum-principle-satisfying schemes for scalar conservation laws in [X. Zhang and C.-W. Shu, J. Comput. Phys., 229 (2010), pp. 3091–3120] to convection diffusion equations, we propose a nonconventional ...
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