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Multimedia Learning Materials for Marine Applications
2006
OCEANS 2006
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This presentation provides an overview of multimedia learning materials produced by the COMET® Program for civilian and military operational meteorologists, university students, and others interested in marine science. There are several project teams developing learning materials on different aspects of marine science. The NPOESS Integrated Program Office sponsors a team dedicated to highlighting current and future polar-orbiting satellite capabilities. Currently, the team is developing a
doi:10.1109/oceans.2006.306927
fatcat:z6hgnbuinfg4niiyyziww2wtie
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... on microwave remote sensing that emphasizes applications over oceans, including near-surface ocean wind speed and direction, sea-surface temperature, total precipitable water, and precipitation estimation. Other COMET teams, sponsored by the National Weather Service, are developing modules several topics in marine meteorology. All of the modules integrate carefully designed, scientifically accurate animations and models addressing crucial scientific concepts related to module objectives. The presentation will include an overview of the COMET Program and the NPOESS/IPO efforts, along with examples from several modules from the NPOESS and marine meteorology series. 14. ABSTRACT 15. SUBJECT TERMS 16. SECURITY CLASSIFICATION OF: 17. LIMITATION OF ABSTRACT UU 18. NUMBER OF PAGES 4 19a. NAME OF RESPONSIBLE PERSON a. REPORT unclassified b. ABSTRACT unclassified c. THIS PAGE unclassified Standard Form 298 (Rev. 8-98) Prescribed by ANSI Std Z39-18
Distributionally-Constrained Policy Optimization via Unbalanced Optimal Transport
[article]
2021
arXiv
pre-print
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., and Wang, M. (2020b) . Variational policy gradient method for reinforcement learning with general utilities. ...
S., Wang, M., and Koppel, A. (2020a). Cautious reinforcement learning via distributional risk in the dual domain. arXiv preprint arXiv:2002.12475. ...
arXiv:2102.07889v1
fatcat:odv5fkauf5fdpbbfxee7gc5jpu
Wang Bing, Le fossé et Fengming. Chronique d'une femme chinoise
2013
Lectures
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Pour citer cet article Référence électronique Patrick Cotelette , « Wang Bing, Le fossé et Fengming. ...
Wang Bing, Le fossé et Fengming. ...
doi:10.4000/lectures.10303
fatcat:tiqyxxgkrzasxl4bwcmmkjkqw4
Probabilistic Inverse Optimal Transport
[article]
2021
arXiv
pre-print
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Hence, λ either exaggerates or suppresses the cross ratios of T , depending on whether λ is greater or less than 1 (Wang et al., 2020) . ...
arXiv:2112.09754v1
fatcat:32lnckwzezcfhbcjbwlyyd6cbe
Sequential Cooperative Bayesian Inference
[article]
2020
arXiv
pre-print
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., 2018; Wang et al., 2019a) , and has been shown to be formally equivalent to Sinkhorn scaling (Wang et al., 2019b) . ...
Further, the map T d is continuous on ∆ m−1 and smooth in its interior according to (Wang et al., 2019b) . ...
arXiv:2002.05706v3
fatcat:cqloiidw5bgqxjwboxtg5ya4z4
A mathematical theory of cooperative communication
[article]
2020
arXiv
pre-print
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Matrices converge to the same limit under SK scaling if and only if they are cross-ratio equivalent [Wang et al., 2019] . ...
Wang et al. [2019] explored the sensitivity of Φ to perturbation on elements in M . They showed that Φ is continuous on M . ...
arXiv:1910.02822v2
fatcat:nklofoginjeq3kmaj5xwhpkony
Differential Geometry Revisited by Biquaternion Clifford Algebra
[chapter]
2015
Lecture Notes in Computer Science
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In the last century, differential geometry has been expressed within various calculi: vectors, tensors, spinors, exterior differential forms and recently Clifford algebras. Clifford algebras yield an excellent representation of the rotation group and of the Lorentz group which are the cornerstones of the theory of moving frames. Though Clifford algebras are all related to quaternions via the Clifford theorem, a biquaternion formulation of differential geometry does not seem to have been
doi:10.1007/978-3-319-22804-4_17
fatcat:tuudpizhkfefrg3rxi4jkt4p3e
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... ed so far. The paper develops, in 3D Euclidean space, a biquaternion calculus, having an associative exterior product, and applies it to differential geometry. The formalism being new, the approach is intended to be pedagogical. Since the methods of Clifford algebras are similar in other dimensions, it is hoped that the paper might open new perspectives for a 4D hyperbolic differential geometry. All the calculi presented here can easily be implemented algebraically on Mathematica and numerically on Matlab. Examples, matrix representations, and a Mathematica work-sheet are provided.
Ultrafast ion sieving using nanoporous polymeric membranes
2018
Nature Communications
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The great potential of nanoporous membranes for water filtration and chemical separation has been challenged by the trade-off between selectivity and permeability. Here we report on nanoporous polymer membranes with an excellent balance between selectivity and permeability of ions. Our membranes are fabricated by irradiating 2-μm-thick polyethylene terephthalate Lumirror® films with GeV heavy ions followed by ultraviolet exposure. These membranes show a high transport rate of K + ions of up to
doi:10.1038/s41467-018-02941-6
pmid:29422511
pmcid:PMC5805712
fatcat:yn6kqzgyobgibhu5pyvc26zk3m
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... 4 mol h −1 m −2 and a selectivity of alkali metal ions over heavy metal ions of >500. Combining transport experiments and molecular dynamics simulations with a polymeric nanopore model, we demonstrate that the high permeability is attributable to the presence of nanopores with a radius of~0.5 nm and a density of up to 5 × 10 10 cm −2 , and the selectivity is ascribed to the interaction between the partially dehydrated ions and the negatively charged nanopore wall.
Low-Carbon Cities: Lifestyle Changes Are Necessary
2015
Zenodo
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Today, more than half the world's population live in cities, and the UN expect this figure to rise to two-thirds by 2050. Already, cities are responsible for an estimated 70% of global energy use. Cities must cut their energy use in order to reduce greenhouse gas emissions, the Urban Heat Island effect and urban air pollution, and global fossil fuel (especially oil) depletion. Available approaches include shifting to alternative energy, energy efficiency improvements, and energy conservation.
doi:10.5281/zenodo.15649
fatcat:2qm2pj6lczesde3ghkzz2nkav4
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... find that although both increased use of renewable energy and energy efficiency improvements are desirable, they will be unable to reduce significantly fossil fuel use by 2050. This is important because many researchers argue that large reductions in oil, and to a lesser extent other fossil fuels, will be needed within the next two decades, because of their mounting energy, monetary and environmental costs. Achieving the necessary large cuts in both fossil energy use and their accompanying emissions will, we argue, necessitate energy conservation, largely though lifestyle changes.
Neural circuit mechanisms of sexual receptivity in Drosophila females
[article]
2020
bioRxiv
pre-print
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Confocal microscopy and image analysis were done as described previously (Wang et al., 2020) . Calcium imaging. ...
doi:10.1101/2020.08.07.241919
fatcat:eclvhkhgtvdojnvbio6yjmzwhi
Anomalous magnetohydrodynamics with constant anisotropic electric conductivities
[article]
2020
arXiv
pre-print
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We study anomalous magnetohydrodynamics in a longitudinal boost invariant Bjorken flow with constant anisotropic electric conductivities as outlined in Ref. [1]. For simplicity, we consider a neutral fluid and a force-free magnetic field in the transverse direction. We derived analytic solutions of the electromagnetic fields in the laboratory frame, the chiral density, and the energy density as functions of proper time.
arXiv:2004.06408v1
fatcat:dcatboqwafghfpf76koxy3g7ea
Plant AtEH/Pan1 proteins drive autophagosome formation at ER-PM contact sites with actin and endocytic machinery
2019
Nature Communications
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Immunofluorescence studies on root meristem cells were performed as described in Wang et al. ...
doi:10.1038/s41467-019-12782-6
pmid:31723129
pmcid:PMC6853982
fatcat:r2h7cbguajgixheb7mek3cv7mm
Reflections in art
2008
Spatial Vision
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When artists depict a mirror in a painting, it necessarily lacks the most obvious property of a mirror: as we move around the painting of the mirror, the reflections we see in it do not change. And yet representations of mirrors and other reflecting surfaces can be quite convincing in paintings. Here, we will examine the rules of reflection, the many ways that painters can break those rules without losing the impression of reflection and the rules that cannot be broken. The rules that govern
doi:10.1163/156856808784532581
pmid:18534102
pmcid:PMC2766568
fatcat:s6kgijqflveifgywz27zrql3iu
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... perception of reflection are a small subset of the physical rules of reflection.
Using asynchronous simulation approach for interactive simulation
[article]
2019
arXiv
pre-print
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This paper discusses about the advantage of using asynchronous simulation in the case of interactive simulation in which user can steer and control parameters during a simulation in progress. synchronous models allow to compute each iteration faster to address the issues of performance needed in an highly interactive context, and our hypothesis is that get partial results faster is better than getting synchronized and final results to take a decision, in a interactive simulation context.
arXiv:1912.04352v1
fatcat:2oubfcnjlzc4njm3jenqjhsj74
Privacy-preserving data publishing for cluster analysis
2009
Data & Knowledge Engineering
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Mohammed [29] , Wang and Fang [43] , Wang et al. [44] addressed the extended data publishing scenarios, such as multiple releases and multiple data holders. Fung et al. ...
doi:10.1016/j.datak.2008.12.001
fatcat:3co4fll6xnd7zijb4ibv6lzkka
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