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数学优化是一个基础领域,研究如何在给定的一组约束条件下找到函数的最小值。面对着非凸、组合、高纬度、数值问题等挑战下,在过去的 80 年中运筹专家、经济学家、控制论专家和数学家通过对数学和数值特性的研究,发现了一系列有效的方法。然而,一种被称为Learn to Optimize新范式可以利用机器学习来加速发现新的优化方法。本报告将介绍两个新工作。一个是关于图神经网络用于线性规划和混合整数规划求解的理...
10 years later: What did scientists learn from the Deepwater Horizon oil spill?
NSF-funded scientists reporting in the journal eLife have revealed that they are closer to understanding a risk factor for stomach cancer: how the bacterium Helicobacter pylori...
NSF-funded scientists at Cold Spring Harbor Laboratory are figuring out how to pack more kernels onto a corn cob. One way to boost the productivity of a plant, they say, is to redirect some of its res...
Neuroscientist Cindy Moss is investigating how animals use sensory information to guide their behavior. Her team at Johns Hopkins University's "Batlab" is currently focused on bat echolocation -- high...
The total solar eclipse next month is the first to cross the U.S. from coast to coast in nearly a century, giving scientists a unique opportunity to observe the sun's corona with an array of technolog...
A new study has found that flu evolution within some individuals can hint at the virus’s eventual evolutionary course worldwide.Samples taken more than 10 years ago from people with unusually long flu...
Had the learn’d astronomer’s” charts and theorems inspired the 19th-century writer Walt Whitman as much as strolling under the nighttime sky, Whitman might have become an astrophysicist instead of a ...
This note focuses on the ground motion recorded during the recent moderate earthquakes that occurred in the central part of northern Italy (Panel 1), a region that is characterized by low seismicity. ...
We consider the problem of learning the structure of Ising models (pairwise binary Markov random fields) from i.i.d. samples. While several methods have been proposed to accomplish this task, their re...
Gifted and talented learners understand, think and know in ways that differ qualitatively from how regular learners perform these activities. Recent research that has examined the neuropsychological p...
Structure formation provides a strong test of any cosmic acceleration model because a successful dark energy model must not inhibit {\black or overpredict} the development of observed large-scale stru...
Collocated data sets of glyoxal (CHO.CHO) and formaldehyde (HCHO) were retrieved for the first time from measurements of the Global Ozone Monitoring Experiment-2 (GOME-2) during the first two years of...
Ejections from the Sun can be observed with a higher resolution than in any other astrophysical object: can we build up on solar results and apply them to astrophysical objects? Aim of this work is to...
Hypoxia and anoxia occurred in the upper Delaware Estuary throughout much of the 20th century and diminished over the past several decades. I reviewed 30 yr of data from my laboratory’s research effo...

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