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Mathematics news

Mathematicians crack 44-year-old problem

Israel Institute of Technology and Alexandr Polyanskii from the Moscow Institute of Physics and Technology (MIPT) have proved László Fejes Tóth's zone conjecture. Formulated in 1973, it says that if a unit sphere is completely ...

dateDec 13, 2017 in Mathematics
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Mathematical model mimics melanoma

Cancer cells' ability to tolerate crowded conditions may be one key to understanding tumor growth and formation, according to a mathematical model that has been applied to cancer cell growth for the first time. The model ...

dateDec 01, 2017 in Mathematics
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How to cut your lawn for grasshoppers

Picture a grasshopper landing randomly on a lawn of fixed area. If it then jumps a certain distance in a random direction, what shape should the lawn be to maximise the chance that the grasshopper stays on the lawn after ...

dateNov 22, 2017 in Mathematics
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New paper answers causation conundrum

In a new paper published in a special issue of the Philosophical Transactions of the Royal Society A, SFI Professor Jessica Flack offers a practical answer to one of the most significant, and most confused questions in evolutionary ...

dateNov 17, 2017 in Mathematics
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Researchers offer new information warfare model

Researchers have collaborated to develop a mathematical model of information warfare in a society under periodic destabilization. The authors of the paper, which was published in Mathematical Models and Computer Simulations, ...

dateNov 09, 2017 in Mathematics
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How close to invisible can a mirror be?

(—In 2011, mathematicians Alexander Plakhov and Vera Roshchina proved that objects with mirror surfaces cannot be perfectly invisible. Now in a new study, Plakhov has returned to the problem, asking just how close ...

dateOct 06, 2017 in Mathematics feature
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On a collision course with game theory

How do pedestrians behave in a large crowd? How do they avoid collisions? How can their paths be modeled? A new approach developed by mathematicians from Würzburg and Nice provides answers to these questions.

dateSep 27, 2017 in Mathematics
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Five ways ancient India changed the world – with maths

It should come as no surprise that the first recorded use of the number zero, recently discovered to be made as early as the 3rd or 4th century, happened in India. Mathematics on the Indian subcontinent has a rich history ...

Mathematicians ask: What's in a ripple?

When a fluid or a gas experiences a sudden disturbance, such as a change in pressure or elevation, it often gives rise to a phenomenon known as an undular bore, which consists of a series of rapid oscillations that propagate ...

The mathematics of golf

(—The official Rules of Golf, which are continually being revised and updated as new equipment emerges, have close ties to mathematics. In many cases, math is used to place limitations on golf equipment, such as ...

A not-quite-random walk demystifies the algorithm
Finding a lethal parasite's vulnerabilities
New technique could make captured carbon more valuable
Bioluminescent worm found to have iron superpowers
An ultradilute quantum liquid made from ultra-cold atoms

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