News tagged with optimization
Scientist proves Braess paradox 'disappears' under high traffic demands
(PhysOrg.com) -- In an urban area with a lot of traffic, adding a new road to distribute the traffic may seem like a sensible idea. But according to the Braess paradox, just the opposite occurs: a new route ...
Sep 14, 2010 |
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Researchers Build Artificial Immune System to Solve Computational Problems
(PhysOrg.com) -- By mimicking the way that a living body acquires immunity to disease through vaccination, researchers have designed an artificial immune system to solve optimization problems more effectively ...
Technology / Computer Sciences
Dec 03, 2009 |
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Physicists propose solution to constraint satisfaction problems
(PhysOrg.com) -- Maria Ercsey-Ravasz, a postdoctoral associate and Zoltan Toroczkai, professor of physics at the University of Notre Dame, have proposed an alternative approach to solving difficult constraint ...
Oct 10, 2011 |
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Superstition proved to improve performance
(PhysOrg.com) -- Superstitions are often regarded as irrational and inconsequential, but researchers in Germany have been taking them seriously, trying to identify the benefits of superstitions, if any, and their underlying ...
Medicine & Health / Psychology & Psychiatry
Jun 14, 2010 |
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From nature, robots
(PhysOrg.com) -- To a robot designer like Sangbae Kim, the animal kingdom is full of inspiration. "I always look at animals and ask why they are the way they are," says Kim, an assistant professor of mechanical ...
Sep 25, 2009 |
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Google Chrome extensions to be officially released
(PhysOrg.com) -- Google is expected to release its Extensions Gallery for general users of the new Chrome browser this week, possibly at the Add-On Conference on browser extensions to be held on December 11, ...
Dec 07, 2009 |
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New method for estimating parameters may boost biological models
Modeling biological systems can provide key insights for scientists and medical researchers, but periodic cycles that repeat themselves – so-called oscillatory systems – pose some key challenges. ...
Technology / Computer Sciences
Mar 06, 2012 |
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Achieving optimal efficiencies for nanoengines
(PhysOrg.com) -- "There's a lot of recent interest in understanding the functioning and optimal performance of small systems," Katja Lindenberg tells PhysOrg.com. Lindenberg is a scientist in the Department of Chemistry and Bi ...
Apr 29, 2009 |
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Sleep-deprived people make risky decisions based on too much optimism
The powers that be in Las Vegas figured out something long before neuroscientists at two Duke University medical schools confirmed their ideas this week: Trying to make decisions while sleep-deprived can lead to a case of ...
Medicine & Health / Neuroscience
Mar 08, 2011 |
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Relocation, relocation, relocation: Math could address climate change population concerns
As sea levels rise in the wake of climate change and semi-arid regions turn to desert, people living in those parts of the world are likely to be displaced. A mathematical approach to planned relocation reported in the International Jo ...
Apr 01, 2009 |
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Can bees color maps better than ants?
In mathematics, you need at most only four different colors to produce a map in which no two adjacent regions have the same color. Utah and Arizona are considered adjacent, but Utah and New Mexico, which only share a point, ...
Mar 10, 2011 |
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Helping computers make faster decisions
(PhysOrg.com) -- Industrial and systems engineering professor Jeff Linderoth is working on a way to help computers make yes/no decisions faster by enhancing the standard algorithm computers use to solve a class of problems ...
Technology / Computer Sciences
Nov 21, 2011 |
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Fujitsu Supercomputer Achieves World Record in Computational Quantum Chemistry
Fujitsu and Chuo University of Japan today announced that a team of researchers employed the T2K Open Supercomputer - which was delivered by Fujitsu to Kyoto University's Academic Center for Computing and ...
Technology / Computer Sciences
May 28, 2010 |
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Optimism boosts the immune system
Feeling better about the future might help you feel better for real. In a new study, psychological scientists Suzanne Segerstrom of the University of Kentucky and Sandra Sephton of the University of Louisville studied how ...
Medicine & Health / Psychology & Psychiatry
Mar 23, 2010 |
4.7 / 5 (3) |
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Lasers are making solar cells competitive
At "Laser 2009" in Munich, Germany, June 15 to 18, Fraunhofer researchers will be demonstrating how laser technology can contribute to optimizing the manufacturing costs and efficiency of solar cells.
May 29, 2009 |
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