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Mathematician solves the moving sofa problem

A mathematician at Yonsei University, in Korea, claims to have solved the moving sofa problem. Jineon Baek has posted a 100+-page proof of the problem on the arXiv preprint server.

Mathematicians make leap in modeling human impact on climate

A breakthrough in the theory of climate change science has given scientists the most robust way yet to link observed climate change to both human-made and natural causes and to spot early warning signals for potential climate ...

Hybrid model links micro and macro scales in complex systems

In fields ranging from immunology and ecology to economics and thermodynamics, multi-scale complex systems are ubiquitous. They are also notoriously difficult to model. Conventional approaches take either a bottom-up or top-down ...

Mathematicians develop AI to forecast market interest rates

Researchers from the Ateneo de Manila University have developed artificial intelligence (AI) deep learning tools that can help predict money market interest rates, invaluable for decision-makers in business and government.

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Mathematics
A 41-million-digit prime number is the biggest ever found—but mathematicians' search for perfection will continue
Mathematics
Mathematical approach can predict crystal structure in hours instead of months
Mathematics
Flexible statistical method powers research on health, climate, financial data
Mathematics
Testing AI systems on hard math problems shows they still perform very poorly
Mathematics
'Shallow' sports and 'deep' social hierarchies: Not all pecking orders are created equally
Mathematics
Hard in theory, easy in practice: Why graph isomorphism algorithms seem to be so effective
Mathematics
New framework uses games of chance to put 'price' on intangible assets
Mathematics
Probability training: Preventing errors of reasoning in medicine and law
Mathematics
Misinformation really does spread like a virus, according to mathematical models drawn from epidemiology
Mathematics
Using mathematics to better understand cause and effect
Mathematics
Typing monkey would be unable to produce 'Hamlet' within the lifetime of the universe, study finds
Mathematics
High school students present five new ways of proving Pythagoras' Theorem via trigonometry
Mathematics
US math teachers view student performance differently based on race and gender
Mathematics
From fireflies to drones: Researchers uncover strategy for synchronization efficiency
Mathematics
New theory identifies how physics principle of 'rattling' relates to self-organization
Mathematics
Why Trump's messaging is becoming more extreme: A mathematician explains
Mathematics
Photonic computing method uses electromagnetic waves to rapidly solve partial differential equations
Mathematics
Three letters, one number, a knife and a stone bridge: How a graffitied equation changed mathematical history
Mathematics
In double breakthrough, mathematician helps solve two long-standing problems
Mathematics
Are ideas contagious? How the structure of human-interaction networks affects spread of both illness and information

Other news

Evolution
Fossil discovery sheds light on the early evolution of animal nervous systems
Astronomy
'What is that?' Scientists explain white patch that appears near northern lights
Condensed Matter
Resistance measurement approach successfully observes topological signatures in multiterminal Josephson junctions
Biochemistry
New device harnesses microwave flow reaction to convert biomass into useful sugars
Molecular & Computational biology
Plant hormones that help roots reach deeper water provide potential strategy for drought-resistant crops
Nanophysics
Covalent organic frameworks demonstrate considerable potential for efficient energy transport
Nanophysics
Single-atom metal layer reveals unexpected spin-polarized current control with light
Archaeology
Ethiopian Highlands study examines stone tool decision-making process in early human history
Environment
Estimating the impact of the EPA's changing power plant greenhouse gas standards
Plants & Animals
Brightly colored creature—kept in pet aquariums globally—discovered as new species
Nanophysics
Scientists develop high-impact materials for optoelectronic technologies
Plants & Animals
Woodrats use 'quantity over quality' as a detox plan, study finds
Plants & Animals
New discovery on how plants detect light and grow could result in more resilient crops
Molecular & Computational biology
Hydrogen peroxide and the mystery of fruit ripening: 'Signal messengers' in plants
Analytical Chemistry
Study reveals secrets behind cordierite's anomalous thermal expansion
Bio & Medicine
Highly tunable biotemplating method expands nanostructure synthesis options
Earth Sciences
Study reveals rapid return of water from ground to atmosphere through plants
General Physics
Physicist introduces percolation model to explain word puzzle solving behavior
Nanophysics
Hidden transport pathways in graphene confirmed, paving the way for next-generation device design
Plants & Animals
Shallow waters and fast currents boost elkhorn coral restoration

Research rebuttal paper uncovers misuse of Holocaust datasets

Aerospace engineering faculty member Melkior Ornik is also a mathematician, a history buff, and a strong believer in integrity when it comes to using hard science in public discussions. So, when a story popped up in his news ...

Researchers find optimal way to pay off student loans

After graduating or leaving college, many students face a difficult choice: Try to pay off their student loans as fast as possible to save on interest, or enroll in an income-based repayment plan, which offers affordable ...

COVID-19 spread model shows how vaccination affects pandemic

RUDN University mathematicians built a model of COVID-19 spreading based on two regression models. The mathematicians divided the countries into three groups, depending on the spreading rate and on the climatic conditions, ...

Predicting the evolution of a pandemic

The inclusion of biological uncertainty and the latest case data can significantly improve the prediction accuracy of standard epidemiological models of virus transmission, new research led by KAUST and the Kuwait College ...

Quantifying the role of chance in professional football

In football, chance is defined as actions or situations occurring during the game that cannot be planned and are therefore difficult to train for. Take for instance deflected shots, balls that rebound off the post only to ...

Applying mathematics takes 'friendship paradox' beyond averages

The friendship paradox is the observation that the degrees of the neighbors of a node within any network will, on average, be greater than the degree of the node itself. In other words: your friends probably have more friends ...