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Browsing MIT Open Access Articles by Title

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  • 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 ...
  • Olshevsky, Alexander; Tsitsiklis, John N. (Society for Industrial and Applied Mathematics, 2009-02)
    We study the convergence speed of distributed iterative algorithms for the consensus and averaging problems, with emphasis on the latter. We first consider the case of a fixed communication topology. We show that a simple ...
  • Zou, Yekui; Spokoyny, Alexander M.; Zhang, Chi; Yu, Hongtao; Lin, Yu-Shan; Pentelute, Bradley L.; Simon, Mark (Royal Society of Chemistry, The, 2013-12)
    Here we describe a general synthetic platform for side-chain macrocyclization of an unprotected peptide library based on the S[subscript N]Ar reaction between cysteine thiolates and a new generation of highly reactive ...
  • Regev, Aviv; Chen, Ying-Lien; Konieczka, Jay; Springer, Deborah J.; Bowen, Samantha E.; Zhang, Jing; Silao, Fitz Gerald S.; Bungay, Alice Alma C.; Bigol, Ursela G.; Nicolas, Marilou G.; Abraham, Soman N.; Thompson, Dawn A.; Heitman, Joseph (Genetics Society of America, The, 2012-06)
    Candida glabrata is an emerging human fungal pathogen that is frequently drug tolerant, resulting in difficulties in treatment and a higher mortality in immunocompromised patients. The calcium-activated protein phosphatase ...
  • Bellott, Daniel W.; Skaletsky, Helen; Pyntikova, Tatyana; Mardis, Elaine R.; Graves, Tina; Kremitzki, Colin; Brown, Laura G.; Rozen, Steve; Warren, Wesley C.; Wilson, Richard K.; Page, David C. (Nature Publishing Group, 2010-07)
    In birds, as in mammals, one pair of chromosomes differs between the sexes. In birds, males are ZZ and females ZW. In mammals, males are XY and females XX. Like the mammalian XY pair, the avian ZW pair is believed to have ...
  • Hanson, Robert N.; Hua, Edward; Labaree, David; Hochberg, Richard B.; Proffitt, Kyle; Essigmann, John M.; Croy, Robert G. (Royal Society of Chemistry, 2012-09)
    A convergent synthesis of a novel estrogen receptor-targeted drug hybrid was developed based on structures of the potent anti-proliferative mitomycin C and the steroidal anti-estrogen RU 39411. The steroidal antiestrogen ...
  • Liao, Longyan; Liu, Jenny; Morton, Stephen Winford; Hammond, Paula T.; Johnson, Jeremiah A.; Dreaden, Erik Christopher; Shopsowitz, Kevin (American Chemical Society (ACS), 2014-04)
    The synthesis of polymer therapeutics capable of controlled loading and synchronized release of multiple therapeutic agents remains a formidable challenge in drug delivery and synthetic polymer chemistry. Herein, we report ...
  • Young, Andrew J.; Polyanskiy, Yury (Institute of Electrical and Electronics Engineers (IEEE), 2015-06)
    This article continues the recent investigation of combinatorial joint source-channel coding. For the special case of a binary source and channel subject to distortion measured by Hamming distance, the lower (converse) ...
  • Ahmadi, Amir Ali; Parrilo, Pablo A. (Institute of Electrical and Electronics Engineers (IEEE), 2012-03)
    Despite the pervasiveness of sum of squares (sos) techniques in Lyapunov analysis of dynamical systems, the converse question of whether sos Lyapunov functions exist whenever polynomial Lyapunov functions exist has remained ...
  • Lippard, Stephen J.; Minier, Mikael Antoine (American Chemical Society (ACS), 2014-03)
    Ethylzinc 2,6-bis(p-tolyl)benzoate converts between two forms in solution. Through NMR spectroscopic techniques and X-ray crystallography, the species in equilibrium were identified as [Zn[subscript 2](Ar[superscript ...
  • Falcao-Filho, Edilson L.; Gordon, Ariel; Kaertner, Franz X.; Gkortsas, Vasileios-Marios (Institute of Electrical and Electronics Engineers, 2009-08)
    Closed form expressions for the high harmonic generation (HHG) conversion efficiency in the plateau and cut-off region are derived showing agreement with previous observations. Application of these results to optimal ...
  • Lindquist, Susan; Dong, Jijun; Garrity, Sean J.; Sivanathan, Viknesh; Hochschild, Ann (National Academy of Sciences (U.S.), 2010-05)
    Prions are infectious, self-propagating protein aggregates that have been identified in evolutionarily divergent members of the eukaryotic domain of life. Nevertheless, it is not yet known whether prokaryotes can support ...
  • Shabelansky, Andrey Hanan; Malcolm, Alison E.; Fehler, Michael C (Society of Exploration Geophysicists, 2017-02)
    We have developed crosscorrelational and deconvolutional forms of a source-independent converted-wave imaging condition (SICW-IC) and show the relationship between them using a concept of conversion ratio coefficient, a ...
  • Shi, Wu-Jun; Liu, Junwei; Xu, Yong; Xiong, Shi-Jie; Wu, Jian; Duan, Wenhui (American Physical Society, 2015-11)
    Tuning the spin-orbit coupling strength via foreign element doping and modifying bonding strength via strain engineering are the major routes to convert normal insulators to topological insulators. We here propose an ...
  • 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 ...
  • Ahmed, Ali; Cosse, Augustin M.; Demanet, Laurent (Institute of Electrical and Electronics Engineers (IEEE), 2015-12)
    This note considers the problem of blind identification of a linear, time-invariant (LTI) system when the input signals are unknown, but belong to sufficiently diverse, known subspaces. This problem can be recast as the ...
  • 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 ...
  • Modaresi, Sina; Vielma Centeno, Juan Pablo (Springer Berlin Heidelberg, 2017-07)
    In this paper we consider an aggregation technique introduced by Yıldıran (J Math Control Inf 26:417–450, 2009) to study the convex hull of regions defined by two quadratic inequalities or by a conic quadratic and a quadratic ...
  • 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, ...
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