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Mathematics news

Maths for midges that pull 10g

Midges move with ferocious randomness, frequently subjecting themselves to accelerations of more than 10g, well beyond the limit of fighter pilots, as they duck and dive in swarms that still retain an almost paradoxical cohesiveness ...

dateJan 02, 2018 in Mathematics
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Randomness a key in spread of disease, other 'evil'

An unfortunate church dinner more than 100 years ago did more than just spread typhoid fever to scores of Californians. It led theorists on a quest to understand why many diseases - including typhoid, measles, polio, malaria, ...

dateJan 02, 2018 in Mathematics
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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, ...

Simple statistics can be good enough

Study of the mismatch between spatial environmental data and a commonly used statistical analysis suggests simpler statistics are sufficient in many cases.

Scientists see order in complex patterns of river deltas

River deltas, with their intricate networks of waterways, coastal barrier islands, wetlands and estuaries, often appear to have been formed by random processes, but scientists at the University of California, Irvine and other ...

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 ...

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.

Breakthrough study shows how plants sense the world
Team takes a deep look at memristors
New research challenges existing models of black holes
Bio-renewable process could help 'green' plastic
Artificial agent designs quantum experiments
How the Elwha dam removals changed the river's mouth
Microbial communities demonstrate high turnover
Hot weather is bad news for bird sperm
Fast computer control for molecular machines
More genes are active in high-performance maize

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