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Browsing MIT Open Access Articles by Title

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  • Jansen, Malte Friedrich; Ferrari, Raffaele (American Meteorological Society, 2013-09)
    A major question for climate studies is to quantify the role of turbulent eddy fluxes in maintaining the observed atmospheric mean state. Both the equator-to-pole temperature gradient and the static stability of the ...
  • Yokoyama, Kenichi; Smith, Albert A.; Stubbe, JoAnne; Corzilius, Bjorn; Griffin, Robert Guy (American Chemical Society (ACS), 2011-10)
    Escherichia coli ribonucleotide reductase is an α2β2 complex that catalyzes the conversion of nucleotides to deoxynucleotides using a diferric tyrosyl radical (Y[• over 122]) cofactor in β2 to initiate catalysis in α2. ...
  • Perron, J. Taylor; Hamon, Jennifer L. (American Geophysical Union (AGU), 2012-03)
    We present analytical solutions for the steady state topographic profile of a soil-mantled hillslope retreating into a level plain in response to a horizontally migrating base level. This model applies to several scenarios ...
  • Moix, Jeremy; Zhao, Yang; Cao, Jianshu (American Physical Society, 2012-03)
    An exact method to compute the entire equilibrium-reduced density matrix for systems characterized by a system-bath Hamiltonian is presented. The approach is based upon a stochastic unraveling of the influence functional ...
  • Chavas, Daniel Robert; Emanuel, Kerry Andrew (American Meteorological Society, 2014-05)
    Tropical cyclone size remains an unsolved problem in tropical meteorology, yet size plays a significant role in modulating damage. This work employs the Bryan cloud model (CM1) to systematically explore the sensitivity of ...
  • Chua, Lynn; Sankar, Krishanu Roy (Electronic Journal of Combinatorics, 2014-03)
    The popularity of a pattern p in a set of permutations is the sum of the number of copies of p in each permutation of the set. We study pattern popularity in the set of 132-avoiding permutations. Two patterns are equipopular ...
  • Frazzoli, Emilio; Pavone, Marco; Bullo, Francesco; Arsie, Alessandro (Institute of Electrical and Electronics Engineers, 2009-07)
    The most widely applied resource allocation strategy is to balance, or equalize, the total workload assigned to each resource. In mobile multi-agent systems, this principle directly leads to equitable partitioning policies ...
  • Vera Andreo, Jorge R.; Freund, Robert Michael (Institute for Operations Research and the Management Sciences (INFORMS), 2009-03)
    Consider the supposedly simple problem of computing a point in a convex set that is conveyed by a separation oracle with no further information (e.g., no domain ball containing or intersecting the set, etc.). The authors' ...
  • Aaronson, Scott (Springer Berlin/Heidelberg, 2011-06)
    In a sampling problem, we are given an input x\in\left\{ 0,1\right\} ^{n} , and asked to sample approximately from a probability distribution \mathcal{D}_{x}strings. In a search problem, we are given an input x\in\left\{ ...
  • Calmon, Flavio du Pin; Medard, Muriel; Effros, Michelle (Institute of Electrical and Electronics Engineers (IEEE), 2011-12)
    The recently introduced network equivalence results are used to create bit-pipe models that can replace multi-terminal channels within a discrete memoryless network. The goal is to create a set of simple “components” or ...
  • Dryden, Emily B.; Sena-Dias, Rosa Isabel; Guillemin, Victor W. (Elsevier, 2012-08)
    Let O[superscript 2n] be a symplectic toric orbifold with a fixed T[superscript n]-action and with a toric Kähler metric g. In [10] we explored whether, when O is a manifold, the equivariant spectrum of the Laplace operator ...
  • Sabatini, Silvia; Zara, Catalin; Guillemin, Victor W. (Springer-Verlag, 2012-05)
    Given a fiber bundle of GKM spaces, π: M → B, we analyze the structure of the equivariant K-ring of M as a module over the equivariant K-ring of B by translating the fiber bundle, π, into a fiber bundle of GKM graphs and ...
  • Fawzi, Hamza; Saunderson, James; Parrilo, Pablo A. (Society for Industrial and Applied Mathematics, 2015-11)
    A central question in optimization is to maximize (or minimize) a linear function over a given polytope P. To solve such a problem in practice one needs a concise description of the polytope P. In this paper we are interested ...
  • Haseley, Nathan Scott; Grant, Sarah Schmidt; Kaufmann, Benjamin B.; Chand, Nikhilesh S.; Hung, Deborah T. (National Academy of Sciences (U.S.), 2012-07)
    During Mycobacterium tuberculosis infection, a population of bacteria likely becomes refractory to antibiotic killing in the absence of genotypic resistance, making treatment challenging. We describe an in vitro model ...
  • Brodwin, M.; Stanford, S. A.; Gonzalez, Anthony H.; Zeimann, G. R.; Snyder, G. F.; Mancone, C. L.; Pope, A.; Eisenhardt, P. R.; Stern, D.; Alberts, S.; Ashby, M. L. N.; Brown, M. J. I.; Chary, R.-R.; Dey, A.; Galametz, A.; Gettings, D. P.; Jannuzi, Buell T.; Moustakas, J.; Moustakas, L. A.; Miller, Eric D. (IOP Publishing, 2013-12)
    We analyze the star formation properties of 16 infrared-selected, spectroscopically confirmed galaxy clusters at 1 < z < 1.5 from the Spitzer/IRAC Shallow Cluster Survey (ISCS). We present new spectroscopic confirmation ...
  • Conlon, David; Fox, Jacob; Sudakov, Benny (Elsevier, 2012-06)
    The Erdos–Hajnal conjecture states that if a graph on n vertices is H-free, that is, it does not contain an induced copy of a given graph H, then it must contain either a clique or an independent set of size n[superscript ...
  • Fox, Jacob; Pach, Janos; Sudakov, Benny; Suk, Andrew (Oxford University Press, )
    For any sequence of positive integers j_1 < j_2 < ... < j_n, the k-tuples (j_i,j_{i + 1},...,j_{i + k-1}), i=1, 2,..., n - k+1, are said to form a monotone path of length n. Given any integers n\ge k\ge 2 and q\ge 2, what ...
  • Corwin, Ivan; Sun, Xin (Institute of Mathematical Statistics, 2014-07)
    In this paper, we establish the ergodicity of the Airy line ensemble with respect to horizontal shifts. This shows that it is the only candidate for Conjecture 3.2 in Corwin & Hammond, Invent. Math. 2014, regarding the ...
  • Okano, Kana; Grainger, Jonathan; Holcomb, Phillip J. (Springer-Verlag, 2013-02)
    The bimodal interactive-activation model has been successfully applied to understanding the neurocognitive processes involved in reading words in alphabetic scripts, as reflected in the modulation of ERP components in ...
  • Popescu, Gabriel; Badizadegan, Kamran; Feld, Michael S.; Dasari, Ramachandra Rao (SPIE, 2006-10)
    This article was originally published online on 18 July 2006 without Michael S. Feld in the author list. In addition, there were errors in Eq. 3. The corrected equation appears below. All online versions of the article ...
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