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Browsing MIT Open Access Articles by Title

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  • Lo, Andrew W. (Elsevier, 2011-07)
    Although the precise origins of the term “complex adaptive system” are unclear, nevertheless, the hackneyed phrase is now firmly ensconced in the lexicon of biologists, physicists, mathematicians, and, most recently, ...
  • Caneva, T.; Silva, A.; Fazio, R.; Lloyd, Seth; Calarco, T.; Montangero, S. (American Physical Society, 2014-04)
    We demonstrate that arbitrary time evolutions of many-body quantum systems can be reversed even in cases when only part of the Hamiltonian can be controlled. The reversed dynamics obtained via optimal control—contrary to ...
  • Deckelbaum, Alan; Tzamos, Christos; Daskalakis, Konstantinos (Society for Industrial and Applied Mathematics, 2014)
    Myerson's seminal work provides a computationally efficient revenue-optimal auction for selling one item to multiple bidders [18]. Generalizing this work to selling multiple items at once has been a central question in ...
  • Ahmadi, Amir Ali; Majumdar, Anirudha; Tedrake, Russell Louis (Institute of Electrical and Electronics Engineers (IEEE), 2013-06)
    We show that for continuous time dynamical systems described by polynomial differential equations of modest degree (typically equal to three), the following decision problems which arise in numerous areas of systems and ...
  • Meyers, Carol A.; Schulz, Andreas S. (John Wiley & Sons, Inc., 2012-03)
    We investigate issues of complexity related to welfare maximization in congestion games. In particular, we provide a full classification of complexity results for the problem of finding a minimum cost solution to a congestion ...
  • Chang, Tom; Wu, Cheng-chin; Echim, Marius; Vogelsberger, Mark; Hernquist, Lars; Sijacki, Debora; Lamy, Herve (Springer-Verlag, 2014-08)
    “Dynamic complexity” is a phenomenon observed for a nonlinearly interacting system within which multitudes of different sizes of large scale coherent structures emerge, resulting in a globally nonlinear stochastic behavior ...
  • Milanic, Martin; Orlin, James B.; Rudolf, Gabor (Springer Science + Business Media B.V., 2011-01)
    The class of equistable graphs is defined by the existence of a cost structure on the vertices such that the maximal stable sets are characterized by their costs. This graph class, not contained in any nontrivial hereditary ...
  • Wang, Yang; Xiao, Xinshu; Zhang, Jianming; Choudhury, Rajarshi; Li, Kai; Ma, Meng; Wang, Zefeng; Robertson, Alex De Jong; Burge, Christopher B. (Nature Publishing Group, 2012-12)
    To better understand splicing regulation, we used a cell-based screen to identify ten diverse motifs that inhibit splicing from introns. Motifs were validated in another human cell type and gene context, and their presence ...
  • Forsten-Williams, Kimberly; Kurtagic, Elma; Nugent, Matthew A. (BioMed Central Ltd, 2011-10)
    Background Vascular homeostasis and response to injury are dependent on the coordinated activity of growth factors such as vascular endothelial growth factor-A (VEGF). VEGF signaling is mediated by VEGF receptors 1 (VEGFR1) ...
  • Adepetu, Adedamola; Arnautovic, Edin; Svetinovic, Davor; de Weck, Olivier L. (Institute of Electrical and Electronics Engineers (IEEE), 2014-02)
    A modern and efficient information and communication technology (ICT) infrastructure is essential for managing the challenges in the complex urban systems development. The ICT infrastructure is a complex system consisting ...
  • Hamilton, Catrina M.; Johns-Krull, Christopher M.; Mundt, Reinhard; Herbst, William; Winn, Joshua Nathan (IOP Publishing, 2012-05)
    We have obtained 48 high-resolution echelle spectra of the pre-main-sequence eclipsing binary system KH 15D (V582 Mon, P = 48.37 days, e ~ 0.6, M[subscript A] = 0.6 M [subscript ☉], MB = 0.7 M [subscript ☉]). The eclipses ...
  • Isaacson, Michal; Shoval, Noam; Wahl, Hans-Werner; Oswald, Frank; Auslander, Gail (Springer US, 2014-10)
    Recent years have witnessed a growing volume of papers describing the use of GPS technology and other tracking technologies for obtaining data on time–space activities. These methods have several advantages over traditional ...
  • Karges, J.; Wood, R. J.; Gilpin, Kyle W.; Rus, Daniela L.; Torres-Jara, E. (Institute of Electrical and Electronics Engineers (IEEE), 2010-12)
    We have presented a simple but effective method to design flexible actuators. This process relies on understanding the behavior of a simple unit cell element built out of SMA sheet. The unit cell effectively uses the ...
  • Vallaghe, Sylvain P.; Huynh, Dinh Bao Phuong; Knezevic, David; Nguyen, Loi; Patera, Anthony T. (Springer International Publishing, 2015-05)
    Background: A component-based approach is introduced for fast and flexible solution of parameter-dependent symmetric eigenproblems. Methods: Considering a generalized eigenproblem with symmetric stiffness and mass ...
  • Kosuri, Sriram; Goodman, Daniel Bryan; Cambray, Guillaume; Mutalik, Vivek K.; Gao, Yuan; Arkin, Adam P.; Endy, Drew; Church, George M. (National Academy of Sciences (U.S.), 2013-08)
    The inability to predict heterologous gene expression levels precisely hinders our ability to engineer biological systems. Using well-characterized regulatory elements offers a potential solution only if such elements ...
  • Garcia-Beltran, Wilfredo F.; Ai-Ling, Michelle Lim; Hammond, Paula T.; Irvine, Darrell J.; DeMuth, Peter Charles (Wiley Blackwell, 2012-08)
    Transcutaneous administration has the potential to improve therapeutics delivery, providing an approach that is safer and more convenient than traditional alternatives, while offering the opportunity for improved therapeutic ...
  • Chuah, Meng Yee; Estrada, Matthew; Kim, Sangbae (Institute of Electrical and Electronics Engineers (IEEE), 2012-10)
    This paper illustrates the fabrication and characterization of a footpad based on an original principle of volumetric displacement sensing. It is intended for use in detecting ground contact forces in a running quadrupedal ...
  • Nevidomskyy, Andriy H.; Coleman, Piers; Flint, Rebecca (American Physical Society (APS), 2011-08)
    Using a two-channel Anderson model, we develop a theory of composite pairing in the 115 family of heavy fermion superconductors that incorporates the effects of f-electron valence fluctuations. Our calculations introduce ...
  • Hirose, Masashi; Cappellaro, Paola; Aiello, Clarice Demarchi (Nature Publishing Group, 2013-01)
    The sensitivity of quantum magnetometer is challenged by control errors and, especially in the solid state, by their short coherence times. Refocusing techniques can overcome these limitations and improve the sensitivity ...
  • Roh, Young Hoon; Deng, Zhou J.; Hammond, Paula T.; Shopsowitz, Kevin; Morton, Stephen Winford (Wiley Blackwell, 2013-12)
    Inorganic nanostructures have been used extensively to package nucleic acids into forms useful for therapeutic applications. Here we report that the two products of transcription, RNA and inorganic pyrophosphate, can ...
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