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Browsing MIT Open Access Articles by Title

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  • de Bock, H. Peter J.; Chauhan, Shakti; Chamarthy, Pramod; Weaver, Stanton E.; Deng, Tao; Gerner, Frank M.; Ababneh, Mohammed T.; Varanasi, Kripa K. (Institute of Electrical and Electronics Engineers (IEEE), 2010-07)
    As power densities in electronic devices have increased dramatically over the last decade, advanced thermal management solutions are required. A significant part of the thermal resistance budget is commonly taken up by the ...
  • Cronin, Timothy W. (American Meteorological Society, 2014-08)
    Idealized climate modeling studies often choose to neglect spatiotemporal variations in solar radiation, but doing so comes with an important decision about how to average solar radiation in space and time. Since both ...
  • Yuan, Jing; Madsen, Ole S. (Coastal Engineering Research Council, 2010)
    In this paper, the two common approaches to account for wave randomness, the spectral approach and the wave-by-wave approach, are compared through numerical experiments conducted with the coupling of a surf zone hydrodynamic ...
  • Dadush, Daniel; Dey, Santanu S.; Vielma, Juan Pablo (Springer-Verlag, 2013-03)
    In this paper, we show that the Chvátal–Gomory closure of any compact convex set is a rational polytope. This resolves an open question of Schrijver (Ann Discret Math 9:291–296, 1980) for irrational polytopes, and generalizes ...
  • Akopyan, Arseniy; Grigorev, Mikhail; Balitskiy, Alexey (Springer US, 2017-03)
    In 1945, A.W. Goodman and R.E. Goodman proved the following conjecture by P. Erdős: Given a family of (round) disks of radii r[subscript 1],..., r[subscript n] in the plane, it is always possible to cover them by a disk ...
  • Scholze, Peter; Shin, Sug Woo (American Mathematical Society (AMS), 2012-08)
    In this article, we prove results about the cohomology of compact unitary group Shimura varieties at split places. In nonendoscopic cases, we are able to give a full description of the cohomology, after restricting to ...
  • Kopparty, Swastik; Raghavendra, Prasad; Jayram, T. S (Institute of Electrical and Electronics Engineers, 2009-09)
    We study the 2-party randomized communication complexity of read-once AC[superscript 0] formulae. For balanced AND-OR trees T with n inputs and depth d, we show that the communication complexity of the function f[superscript ...
  • Knepper, Ross A.; Rus, Daniela L. (Institute of Electrical and Electronics Engineers (IEEE), 2013-05)
    We provide a set of sufficient conditions to establish the completeness of an ensemble of motion planners-that is, a set of loosely-coupled motion planners that produce a unified result. The planners are assumed to divide ...
  • Daskalakis, Constantinos (Society for Industrial and Applied Mathematics, 2011)
    We show that computing a relative---that is, multiplicative as opposed to additive---approximate Nash equilibrium in two-player games is PPAD-complete, even for constant values of the approximation. Our result is the first ...
  • Daskalakis, Constantinos; Schoenebeck, Grant; Valiant, Gregory; Valiant, Paul (Society for Industrial and Applied Mathematics, 2009)
    In light of much recent interest in finding a model of multi-player multi-action games that allows for efficient computation of Nash equilibria yet remains as expressive as possible, we investigate the computational ...
  • Ito, Takehiro; Demaine, Erik D.; Harvey, Nicholas J.A.; Papadimitriou, Christos H.; Sideri, Martha; Uehara, Ryuhei; Uno, Yushi (Elsevier, 2010-12)
    Reconfiguration problems arise when we wish to find a step-by-step transformation between two feasible solutions of a problem such that all intermediate results are also feasible. We demonstrate that a host of reconfiguration ...
  • Belloni, Alexandre; Chernozhukov, Victor V. (Institute of Mathematical Statistics, 2009-08)
    In this paper we examine the implications of the statistical large sample theory for the computational complexity of Bayesian and quasi-Bayesian estimation carried out using Metropolis random walks. Our analysis is motivated ...
  • Polimeridis, Athanasios G.; Reid, M. T. Homer; Johnson, Steven G.; White, Jacob K.; Rodriguez, Alejandro W. (Institute of Electrical and Electronics Engineers (IEEE), 2015-01)
    We present simple and stable formulas for computing power (including absorbed/radiated, scattered and extinction power) in current-based volume integral equation formulations. The proposed formulas are given in terms of ...
  • Kalaitzis, Christos; Madry, Aleksander; Newman, Alantha; Poláček, Lukáš; Svensson, Ola (Springer Berlin Heidelberg, 2015-07)
    We study the maximum budgeted allocation problem, i.e., the problem of selling a set of m indivisible goods to n players, each with a separate budget, such that we maximize the collected revenue. Since the natural assignment ...
  • Kirkpatrick, Kay; Lenzmann, Enno; Staffilani, Gigliola (Springer-Verlag, 2012-11)
    We consider a general class of discrete nonlinear Schrödinger equations (DNLS) on the lattice hZ with mesh size h > 0. In the continuum limit when h → 0, we prove that the limiting dynamics are given by a nonlinear Schrödinger ...
  • Roberts, John William; Cory, Rick; Tedrake, Russell Louis (Institute of Electrical and Electronics Engineers, 2009-07)
    The ability of birds to perch robustly and effectively is a powerful demonstration of the capabilities of nature's control systems. Their apparent robustness to gust disturbances is particularly remarkable because when the ...
  • Artemiadis, Panagiotis; Krebs, Hermano Igo (Institute of Electrical and Electronics Engineers, 2010-08)
    Walking impairments are a common sequela of neurological injury, severely affecting the quality of life of both adults and children. Gait therapy is the traditional approach to ameliorate the problem by re-training the ...
  • Gurbuzbalaban, Mert; Koksal, Asuman E.; Parrilo, Pablo A (Society for Industrial & Applied Mathematics (SIAM), 2017-01)
    Motivated by applications to distributed optimization over networks and large-scale data processing in machine learning, we analyze the deterministic incremental aggregated gradient method for minimizing a finite sum of ...
  • Linares, Manuel Alegret; Chakrabarty, Deepto; Van Der Klis, M. (Institute of Physics Publishing, 2011-05)
    The neutron star transient and 11 Hz X-ray pulsar IGR J17480–2446, recently discovered in the globular cluster Terzan 5, showed unprecedented bursting activity during its 2010 October-November outburst. We analyzed all ...
  • Zubair, Syed M.; Lienhard, John H.; McGovern, Ronan Killian; Weiner, Adam Michael; Sun, Lige; Chambers, Chester (Elsevier, 2014-10)
    We propose the use of electrodialysis to desalinate produced waters from shale formations in order to facilitate water reuse in subsequent hydraulic fracturing processes. We focus on establishing the energy and equipment ...
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