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# Mathematics news

### Researcher develops new tool for understanding hard computational problems that appear intractable

The notion that some computational problems in math and computer science can be hard should come as no surprise. There is, in fact, an entire class of problems deemed impossible to solve algorithmically. Just below this class ...

Mathematics

Jan 10, 2022

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### Learn how to make a sonobe unit in origami, and unlock a world of mathematical wonder

Many of us could happily fold a paper crane, yet few feel confident solving an equation like x³ – 3 x² – x + 3 = 0, to find a value for x.

Mathematics

Jan 05, 2022

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### Alternative statistical method could improve clinical trials

An alternative statistical method honed and advanced by Cornell researchers can make clinical trials more reliable and trustworthy while also helping to remedy what has been called a "replicability crisis" in the scientific ...

Mathematics

Dec 21, 2021

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### A mathematical model may give more efficient climate talks

Achieving consensus among countries in global climate negotiations is a long and complicated process. Researchers at Linköping University have developed a mathematical model that describes the achievement of the 2015 Paris ...

Mathematics

Dec 15, 2021

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### Analysis of 88,000 matches shows soccer outcomes have become increasingly predictable

A pair of researchers at the University of Oxford has found that over the past few decades, the outcome of European League professional football (soccer in the U.S.) matches has become more predictable. In their paper published ...

### The paradox of big data spoils vaccination surveys

When Delphi-Facebook and the U.S. Census Bureau provided near-real time estimates of COVID-19 vaccine uptake last spring, their weekly surveys drew on responses from as many as 250,000 people.

Mathematics

Dec 08, 2021

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### Maths researchers hail breakthrough in applications of artificial intelligence

For the first time, computer scientists and mathematicians have used artificial intelligence to help prove or suggest new mathematical theorems in the complex fields of knot theory and representation theory.

Mathematics

Dec 01, 2021

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### Study confirms link between spatial and math skills

People use spatial skills to manipulate, organize, reason about, and make sense of spatial relationships in real and imagined spaces. Estimating how much leftover mashed potatoes will fit in a storage container requires spatial ...

Mathematics

Dec 01, 2021

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### The Riemann conjecture unveiled by physics

A mystery of mathematics that has remained unsolved for more than 150 years can be unraveled thanks to a completely unexpected approach coming from statistical physics. This is the important conclusion of Giuseppe Mussardo, ...

Mathematics

Nov 23, 2021

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### An exploration of tipping in complex systems

Complex systems can be found in a diverse array of real-world scenarios, but are unified by their ability to suddenly transition between drastically different patterns of behavior. Known as 'tipping,' this type of transformation ...

Mathematics

Nov 23, 2021

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### Pythagoras' revenge: Humans didn't invent mathematics, it's what the world is made of

Many people think that mathematics is a human invention. To this way of thinking, mathematics is like a language: it may describe real things in the world, but it doesn't "exist" outside the minds of the people who use it.

Mathematics

Nov 22, 2021

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### New method to analyze low-probability, high-risk events such as earthquakes, pandemics

Quick—if you had to guess, what would you think is most likely to end all life on Earth: a meteor strike, climate change or a solar flare? (Choose carefully.)

Mathematics

Nov 18, 2021

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### Does batting second in T20 world cup cricket offer a crucial advantage? A statistics professor explains

While Australian cricket fans celebrate their team's triumph at the 2021 ICC Men's T20 World Cup, the tournament's results have sparked a debate over whether the team that bats second has a potentially match-winning advantage ...

Mathematics

Nov 17, 2021

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### A brief history of minimal surfaces and the ants that love them

Consider a soap bubble. The way it contains the minimal possible surface area is surprisingly efficient. This is not a trivial issue. Mathematicians have been looking for better ways to calculate minimal surfaces for hundreds ...

Mathematics

Nov 17, 2021

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### Lake's radioactivity concentration predicted for 10,000 days after the Fukushima accident

In March 2011, the Fukushima Daiichi Nuclear Power Plant was damaged by a powerful earthquake and tsunami, causing nearby lakes to be contaminated with radioactive cesium-137. Although the contamination of one such lake, ...

Mathematics

Nov 04, 2021

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### When is a 'basin of attraction' like an octopus?

Mathematicians who study dynamical systems often focus on the rules of attraction. Namely, how does the choice of the starting point affect where a system ends up? Some systems are easier to describe than others. A swinging ...

Mathematics

Nov 04, 2021

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### Judging the gymnastics judges

A new statistical engine that can systematically pinpoint how accurately gymnastics judges apply required marking guidelines has been developed by researchers in Switzerland. The results are published in De Gruyter's Journal ...

Mathematics

Oct 25, 2021

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### Efficient light with the help of mathematics

How do you make sure that light gets to the right place without loss of energy? To do that, lamps often use mirrors and lenses. But how do you adjust them properly to get the correct light output? Lotte Romijn investigated ...

Mathematics

Oct 19, 2021

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### To probe an unexplored space of hard problems, researchers play the devil's advocate

In computer science, the graph coloring problem is a classic. Inspired by the map-coloring problem, it asks: Given a network of nodes connected by links, what's the minimum number of colors you need to color each node so ...

Mathematics

Oct 12, 2021

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### Physics meets democracy in this modeling study

A study in the journal Physica A leverages concepts from physics to model how campaign strategies influence the opinions of an electorate in a two-party system.

Mathematics

Oct 08, 2021

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