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Browsing MIT Open Access Articles by Title

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  • Chandrasekaran, Venkat; Recht, Benjamin; Parrilo, Pablo A.; Willsky, Alan S. (Institute of Electrical and Electronics Engineers (IEEE), 2010-09)
    We study a class of ill-posed linear inverse problems in which the underlying model of interest has simple algebraic structure. We consider the setting in which we have access to a limited number of linear measurements of ...
  • Chandrasekaran, Venkat; Parrilo, Pablo A.; Willsky, Alan S. (Society for Industrial and Applied Mathematics, 2012-08)
    The structural properties of graphs are usually characterized in terms of invariants, which are functions of graphs that do not depend on the labeling of the nodes. In this paper we study convex graph invariants, which are ...
  • Taylor, Joshua A.; Hover, Franz S. (Institute of Electrical and Electronics Engineers (IEEE), 2012-08)
    We derive new mixed-integer quadratic, quadratically constrained, and second-order cone programming models of distribution system reconfiguration, which are to date the first formulations of the ac problem that have convex, ...
  • Tobenkin, Mark M.; Manchester, Ian R.; Wang, Jennifer; Megretski, Alexandre; Tedrake, Russell Louis (Institute of Electrical and Electronics Engineers (IEEE), 2010-12)
    A new framework for nonlinear system identification is presented in terms of optimal fitting of stable nonlinear state space equations to input/output/state data, with a performance objective defined as a measure of ...
  • Majumdar, Anirudha; Vasudevan, Ram; Tobenkin, Mark M.; Tedrake, Russell Louis (2013-06)
    In this paper, we present an approach for designing feedback controllers for polynomial systems that maximize the size of the time-limited backwards reachable set (BRS). We rely on the notion of occupation measures to pose ...
  • Turaga, Srinivas C.; Murray, Joseph F.; Jain, Viren; Roth, Fabian; Helmstaedter, Moritz; Briggman, Kevin; Denk, Winfried; Seung, H. Sebastian (MIT Press, 2010-01)
    Many image segmentation algorithms first generate an affinity graph and then partition it. We present a machine learning approach to computing an affinity graph using a convolutional network (CN) trained using ground truth ...
  • Wang, Yana; Irvine, Darrell J. (Royal Society of Chemistry, 2013)
    Chemoattractants regulate diverse immunological, developmental, and pathological processes, but how cell migration patterns are shaped by attractant production in tissues remains incompletely understood. Using computational ...
  • Di Modugno, Francesca; Mottolese, Marcella; DeMonte, Lucia; Trono, Paola; Terrenato, Irene; Belleudi, Francesca; Torrisi, Maria Rosaria; Alessio, Massimo; Santoni, Angela; Nistico, Paola (Public Library of Science, 2010-12)
    hMena and the epithelial specific isoform hMena11a are actin cytoskeleton regulatory proteins belonging to the Ena/VASP family. EGF treatment of breast cancer cell lines upregulates hMena/hMena11a expression and phosphorylates ...
  • Ambrus, Attila; Pathak, Parag (Elsevier B.V., 2010-09)
    This paper shows that the presence of different types of players { those who only care about their own material payoffs and those who reciprocate others' contributions { can explain the robust features of observed ...
  • Schmidt, Henrik; Pastore, Thomas; Benjamin, Michael; Schneider, Toby Edwin (Institute of Electrical and Electronics Engineers (IEEE), 2010-05)
    Autonomous surface and underwater vehicles present a safe and low-cost solution for various contact investigation tasks, such as harbor surveillance for potentially threatening small craft or submarines. Since such a task ...
  • Fallon, Maurice Francis; Papadopoulos, Georgios; Leonard, John Joseph; Patrikalakis, Nicholas M. (Sage Publications, 2010-08)
    In this paper we describe the experimental implementation of an online algorithm for cooperative localization of submerged autonomous underwater vehicles (AUVs) supported by an autonomous surface craft. Maintaining accurate ...
  • Ackerman, Joshua; Kenrick, Douglas T. (Sage Publications, 2009-10)
    Do people help each other form romantic relationships? Research on the role of the social environment in relationship formation has traditionally focused on competition, but this article investigates novel patterns of ...
  • Qin, Zhao; Buehler, Markus J. (American Physical Society, 2010-12)
    Beta-sheet protein domains are stabilized by weak hydrogen bonds, yet materials such as silk—whose ultimate tensile strength is controlled primarily by this secondary structure—can exceed the ultimate tensile strength of ...
  • Bahr, Alexander; Leonard, John Joseph; Fallon, Maurice Francis (Sage Publications, 2009-06)
    This paper describes an algorithm for distributed acoustic navigation for Autonomous Underwater Vehicles (AUVs). Whereas typical AUV navigation systems utilize pre-calibrated arrays of static transponders, our work seeks ...
  • Wymeersch, Henk; Lien, Jaime; Win, Moe Z. (Institute of Electrical and Electronics Engineers, 2009-03)
    Location-aware technologies will revolutionize many aspects of commercial, public service, and military sectors, and are expected to spawn numerous unforeseen applications. A new era of highly accurate ubiquitous ...
  • Papadopoulos, Georgios; Fallon, Maurice Francis; Leonard, John Joseph (Institute of Electrical and Electronics Engineers (IEEE), 2013-05-15)
    This paper investigates the problem of cooperative navigation of autonomous marine vehicles using range-only acoustic measurements. We consider the use of a single maneuvering autonomous surface vehicle (ASV) to aid the ...
  • Garone, Emanuele; Naldi, Roberto; Casavola, Alessandro; Frazzoli, Emilio (Institute of Electrical and Electronics Engineers, 2011-02)
    In this work we focus on mission planning problems in scenarios in which a carrier vehicle, typically slow but with virtually infinite range, and a carried vehicle, which on the contrary is typically fast but has a shorter ...
  • Park, Ji-Ho; von Maltzahn, Geoffrey; Ong, Luvena L.; Centrone, Andrea; Hatton, T. Alan; Ruoslahti, Erkki; Bhatia, Sangeeta N.; Sailor, Michael J. (Wiley Blackwell, 2009-11)
    A cooperative nanosystem consisting of two distinct nanomaterials works in vivo to detect tumor tissues and deliver drugs to the site. Gold nanorods (GNRs) localize to the tumor region, where they report their location and ...
  • Chung, Soon-Jo; Slotine, Jean-Jacques E. (Institute of Electrical and Electronics Engineers, 2007-12)
    This article presents a simple synchronization framework that can be directly applied to cooperative control of multi-agent systems and oscillation synchronization in robotic manipulation and teleoperation. A dynamical ...
  • Metlitski, Max A.; Mross, David F.; Sachdev, Subir; Todadri, Senthil (American Physical Society, 2015-03)
    States of matter with a sharp Fermi surface but no well-defined Landau quasiparticles arise in a number of physical systems. Examples include (i) quantum critical points associated with the onset of order in metals; (ii) ...
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