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Browsing MIT Open Access Articles by Title

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  • McIver, James; Hsieh, David; Steinberg, Hadar; Jarillo-Herrero, Pablo; Gedik, Nuh (Nature Publishing Group, 2011-12)
    Three-dimensional topological insulators (1-3) represent a new quantum phase of matter with spin-polarized surface states (4,5) that are protected from backscattering. The static electronic properties of these surface ...
  • Mandler, Ben; Grove, Timothy L (Springer Berlin Heidelberg, 2016-08)
    Presented here is a suite of new experiments aimed at quantifying the effects of pressure, temperature, bulk composition, and H[subscript 2]O content on the stability and composition of amphibole in the Earth’s mantle. ...
  • Mandler, Ben; Grove, Timothy L (Springer Berlin Heidelberg, 2016-08)
    Presented here is a suite of new experiments aimed at quantifying the effects of pressure, temperature, bulk composition, and H[subscript 2]O content on the stability and composition of amphibole in the Earth’s mantle. ...
  • Del Vecchio, Domitilla (Elsevier, 2013-10)
    Control theory has been instrumental for the analysis and design of a number of engineering systems, including aerospace and transportation systems, robotics and intelligent machines, manufacturing chains, electrical, ...
  • Behrmann, Marlene; Brown, Emery Neal (National Academy of Sciences (U.S.), 2017-04)
    To test the validity of statistical methods for fMRI data analysis, Eklund et al. (1) used, for the first time, large-scale experimental data rather than simulated data. Using resting-state fMRI measurements to represent ...
  • Prabhat, Naveen; Buongiorno, Jacopo; Hu, Lin-Wen (American Scientific Publishers, 2012-06)
    The nanofluid literature contains many claims of anomalous convective heat transfer enhancement in both turbulent and laminar flow. To put such claims to the test, we have performed a critical detailed analysis of the ...
  • Forrest, Eric C.; Buongiorno, Jacopo; Hu, Lin-Wen; McKrell, Thomas J (ASME International, 2015-10)
    Experimental results are presented for single-phase heat transfer in a narrow rectangular minichannel heated on one side. The aspect ratio and gap thickness of the test channel were 29:1 and 1.96 mm, respectively. Friction ...
  • Goluskin, David; Johnston, Hans; Spiegel, Edward A.; Flierl, Glenn Richard (Cambridge University Press, 2014-10)
    We report on direct numerical simulations of two-dimensional, horizontally periodic Rayleigh–Bénard convection between free-slip boundaries. We focus on the ability of the convection to drive large-scale horizontal flow ...
  • Lobel, Ilan; Ozdaglar, Asuman E. (Institute of Electrical and Electronics Engineers, 2009-03)
    We consider the problem of cooperatively minimizing the sum of convex functions, where the functions represent local objective functions of the agents. We assume that each agent has information about his local function, ...
  • Babadi, Behtash; Brown, Emery N.; Ba, Demba E.; Purdon, Patrick Lee (Institute of Electrical and Electronics Engineers (IEEE), 2013-10)
    In this paper, we study the theoretical properties of iteratively re-weighted least squares (IRLS) algorithms and their utility in sparse signal recovery in the presence of noise. We demonstrate a one-to-one correspondence ...
  • Marzouk, Youssef M.; Schlegel, Fabrice; Ghoniem, Ahmed F. (Society for Industrial and Applied Mathematics, 2009-06)
    We study the convergence characteristics of two algebraic kernels used in vortex calculations: the Rosenhead–Moore kernel, which is a low-order kernel, and the Winckelmans–Leonard kernel, which is a high-order kernel. To ...
  • Hnisz, Denes; Schuijers, Jurian; Lin, Charles Y.; Abraham, Brian J.; Lee, Tong Ihn; Bradner, James E.; Weintraub, Abraham Selby; Young, Richard A (Elsevier, 2015-03)
    Super-enhancers and stretch enhancers (SEs) drive expression of genes that play prominent roles in normal and disease cells, but the functional importance of these clustered enhancer elements is poorly understood, so it ...
  • Chen, Chao; Wang, Lianrong; Chen, Si; Wu, Xiaolin; Gu, Meijia; Chen, Xi; Jiang, Susu; Wang, Yunfu; Deng, Zixin; Chen, Shi; Dedon, Peter C (National Academy of Sciences (U.S.), 2017-04)
    Explosive growth in the study of microbial epigenetics has revealed a diversity of chemical structures and biological functions of DNA modifications in restriction-modification (R-M) and basic genetic processes. Here, we ...
  • Barnes, S. A.; Wijetunge, L. S.; Jackson, A. D.; Katsanevaki, D.; Osterweil, E. K.; Komiyama, N. H.; Grant, S. G. N.; Nagerl, U. V.; Kind, P. C.; Wyllie, D. J. A.; Bear, Mark (Society for Neuroscience, 2015-11)
    Previous studies have hypothesized that diverse genetic causes of intellectual disability (ID) and autism spectrum disorders (ASDs) converge on common cellular pathways. Testing this hypothesis requires detailed phenotypic ...
  • Wang, Qiqi (Society for Industrial and Applied Mathematics, 2014-01)
    For a parameterized hyperbolic system $u_{i+1} = f(u_i,s)$, the derivative of an ergodic average $\langle J\rangle = \lim_{n\rightarrow\infty} \frac1n \sum_1^n J(u_i,s)$ to the parameter $s$ can be computed via the least ...
  • Poonen, Bjorn; Lagarias, Jeffrey C.; Wright, Margaret H. (Society for Industrial and Applied Mathematics, 2012-05)
    The Nelder--Mead algorithm, a longstanding direct search method for unconstrained optimization published in 1965, is designed to minimize a scalar-valued function $f$ of $n$ real variables using only function values, without ...
  • Guionnet, Alice; Wood, Philip Matchett; Zeitouni, Ofer (American Mathematical Society (AMS), 2013-10)
    We discuss regularization by noise of the spectrum of large random non-normal matrices. Under suitable conditions, we show that the regularization of a sequence of matrices that converges in *-moments to a regular element ...
  • Hendrickx, Julien; Tsitsiklis, John N. (Institute of Electrical and Electronics Engineers (IEEE), 2012-12)
    We consider continuous-time consensus seeking systems whose time-dependent interactions are cut-balanced, in the following sense: if a group of agents influences the remaining ones, the former group is also influenced by ...
  • Kluberg, Lionel J.; McEneaney, William M. (Society for Industrial and Applied Mathematics, 2009-12)
    In previous work of the first author and others, max-plus methods have been explored for solution of first-order, nonlinear Hamilton–Jacobi–Bellman partial differential equations (HJB PDEs) and corresponding nonlinear ...
  • Yu, Huizhen; Bertsekas, Dimitri P. (Institute of Electrical and Electronics Engineers, 2009-07)
    We consider finite-state Markov decision processes, and prove convergence and rate of convergence results for certain least squares policy evaluation algorithms of the type known as LSPE(lambda ). These are temporal ...
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