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Browsing MIT Open Access Articles by Title

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  • Aloupis, Greg; Bose, Prosenjit; Demaine, Erik D.; Langerman, Stefan; Meijer, Henk; Overmars, Mark; Toussaint, Godfried T. (World Scientific, 2011)
    Given a planar polygon (or chain) with a list of edges {e[subscript 1], e[subscript 2], e[subscript 3], …, e[subscript n-1], e[subscript n]}, we examine the effect of several operations that permute this edge list, resulting ...
  • Gummadi, Ramakrishna; Jung, Kyomin; Shah, Devavrat; Sreenivas, Ramavarapu (Institute of Electrical and Electronics Engineers, 2009-04)
    We consider a wireless network of n nodes that communicate over a common wireless medium under some interference constraints. Our work is motivated by the need for an efficient and distributed algorithm to determine the ...
  • Crandall, Jacob W.; Della Penna, Mauro; de Jong, Paul M. A.; Cummings, M. L. (Institute of Electrical and Electronics Engineers (IEEE), 2011-05)
    In time-critical systems in which a human operator supervises multiple semiautomated tasks, failure of the operator to focus attention on high-priority tasks in a timely manner can lower the effectiveness of the system and ...
  • Adams, Allan; Lapan, Joshua M. (Springer Berlin / Heidelberg, 2011-03)
    We compute the massless spectra of a set of flux vacua of the heterotic string. The vacua we study include well-known non-Kähler T [superscript 2]-fibrations over K3 with SU(3) structure and intrinsic torsion. Following ...
  • Li, Ju; Kushima, Akihiro; Yip, Sidney (Public Library of Science, 2011-03)
    The microscopic origin of glass transition, when liquid viscosity changes continuously by more than ten orders of magnitude, is challenging to explain from first principles. Here we describe the detailed derivation and ...
  • Nave, Jean-Christophe; Papanicolas, Costas N.; Slocum, Alexander H; Codd, Daniel Shawn; Buongiorno, Jacopo; Forsberg, Charles W; McKrell, Thomas J; Ghobeity, Amin; Noone, Corey James; Passerini, Stefano; Rojas, Folkers; Mitsos, Alexander (Elsevier, 2011-05)
    A concentrating solar power system is presented which uses hillside mounted heliostats to direct sunlight into a volumetric absorption molten salt receiver with integral storage. The concentrated sunlight penetrates and ...
  • Loomis, James; Weinstein, Lee Adragon; Bhatia, Bikramjit S; Bierman, David Matthew; Wang, Evelyn; Chen, Gang (American Chemical Society (ACS), 2015-10)
    Solar energy is a bountiful renewable energy resource: the energy in the sunlight that reaches Earth in an hour exceeds the energy consumed by all of humanity in a year. While the phrase “solar energy conversion” probably ...
  • Jie, Qing; Cao, Feng; Liu, Weishu; Ren, Zhifeng; Kraemer, Daniel; McEnaney, Kenneth; Weinstein, Lee Adragon; Loomis III, Robert James; Chen, Gang (2016-09)
    Concentrating solar power normally employs mechanical heat engines and is thus only used in large-scale power plants; however, it is compatible with inexpensive thermal storage, enabling electricity dispatchability. ...
  • Lee, Jeong Hoon; Han, Jongyoon (Springer-Verlag, 2010-03)
    Here, we report a new method of concentration-enhanced binding kinetics for a rapid immunoassay screening test on a gold surface in a poly(dimethylsiloxane) (PDMS) microfluidic chip format. The use of alkylthiolate ...
  • Nguyen, Ha Q.; Varshney, Lav Raj; Goyal, Vivek K. (Institute of Electrical and Electronics Engineers, 2010-11)
    Permutation codes are a class of structured vector quantizers with a computationally-simple encoding procedure based on sorting the scalar components. Using a codebook comprising several permutation codes as subcodes ...
  • Simcoe, Robert A; Furesz, Gabor; Egan, Mark; Hellickson, Timothy H; Malonis, Andrew C. (SPIE, 2016-08)
    We present a simple seeing-limited IR spectrometer design for the Giant Magellan Telescope, with continuous R = 6000 coverage from 0.87-2.50 microns for a 0:7” slit. The instrument's design is based on an asymmetric white ...
  • Montfort, Nick
    In 1952 computer scientist Christopher Strachey wrote a parodical love letter generator. This system, the prototype of all computational conceptual writing – the almost completely secret prototype – was up and running ...
  • Simpson, Robert E.; Carlson, Max; Yau, Ka-Yen K.; Short, Michael P (Mary Ann Liebert, 2015-09)
    The past decade has seen revolutionary advances in three-dimensional (3D) printing and additive manufacturing. However, a technique to create 3D material microstructures of arbitrary complexity has not yet been developed. ...
  • Dori, Dov; Somekh, Judith; Choder, Mordechai (Public Library of Science, 2012-12)
    We propose a Conceptual Model-based Systems Biology framework for qualitative modeling, executing, and eliciting knowledge gaps in molecular biology systems. The framework is an adaptation of Object-Process Methodology ...
  • Park, Haejun; Meacham, Brian J.; Dembsey, Nicholas A.; Goulthorpe, Mark (Springer US, 2013-11)
    The evaluation of building performance during fires is a critical step in designing appropriate strategies. Inappropriate or incomplete performance evaluations can mislead fire safety design solutions, which may in turn ...
  • Somekh, Judith; Haimovich, Gal; Guterman, Adi; Dori, Dov; Choder, Mordechai (Public Library of Science, 2014-09)
    Biologists are required to integrate large amounts of data to construct a working model of the system under investigation. This model is often informal and stored mentally or textually, making it prone to contain undetected ...
  • Potter, Mary C. (Frontiers Research Foundation, 2012-04)
    Conceptual short term memory (CSTM) is a theoretical construct that provides one answer to the question of how perceptual and conceptual processes are related. CSTM is a mental buffer and processor in which current perceptual ...
  • Mewald, Marius; Medley, Jonathan William; Movassaghi, Mohammad (Wiley Blackwell, 2014-10)
    We report an efficient and highly stereoselective strategy for the synthesis of Aspidosperma alkaloids based on the transannular cyclization of a chiral lactam precursor. Three new stereocenters are formed in this key step ...
  • Medley, Jonathan William; Movassaghi, Mohammad (Wiley Blackwell, 2012-05)
    Building cycles: A strategy for the concise, stereoselective synthesis of aspidosperma alkaloids and related structures via a common putative diiminium ion intermediate is reported. The approach enables the dimerization ...
  • Tsvelikhovsky, Dmitry; Buchwald, Stephen Leffler (American Chemical Society (ACS), 2011-08)
    A general and highly efficient protocol for the synthesis of dibenzodiazepines and their structural analogues is reported. In the presence of catalytic quantities of palladium, readily accessible precursors are cross-coupled ...
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