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News About Mathematics

Fair cake cutting gets its own algorithm (7/19/2014)

Mathematician Julius Barbanel of Union College, and political scientist Steven Brams of New York University, both in the US, published an algorithm in Springer's The Mathematical Intelligencer by which they show how to optimally share cake between two people efficiently, in equal pieces and in such a way that no one feels robbed. ...> Full Article


Researchers develop EHR algorithms to identify undiagnosed hypertension (7/18/2014)

A new study authored by Northwestern Medicine researchers found that reviewing electronic health records using algorithms can successfully identify patients with previously undiagnosed hypertension, or high blood pressure, with a high rate of accuracy. The study, 'A Technology-Based Quality Innovation to Identify Undiagnosed Hypertension Among Active Primary Care Patients,' was published in the 2014 July/August issue of the Annals of Family Medicine. ...> Full Article


Mathematical model illustrates our online 'copycat' behavior (7/11/2014)

The researchers examined how users are influenced in the choice of apps that they install on their Facebook pages by creating a mathematical model to capture the dynamics at play. ...> Full Article


Platonic solids generate their 4-dimensional analogues (7/10/2014)

Platonic solids generate their 4-dimensional analoguesAlicia Boole Stott, the third daughter of mathematician George Boole, is probably best known for establishing the term 'polytope' for a convex solid in four dimensions. Alicia was also a long time collaborator of HSM Coxeter, one of the greatest geometers of the 20th Century. ...> Full Article


19th century math tactic gets a makeover -- and yields answers up to 200 times faster (7/9/2014)

19th century math tactic gets a makeover -- and yields answers up to 200 times fasterA relic from long before the age of supercomputers, the 169-year-old math strategy called the Jacobi iterative method is widely dismissed today as too slow to be useful. But thanks to a curious, numbers-savvy Johns Hopkins engineering student and his professor, it may soon get a new lease on life. ...> Full Article


Mathematical models explain how a wrinkle becomes a crease (7/7/2014)

Mathematical models explain how a wrinkle becomes a creaseWrinkles, creases and folds are everywhere in nature, from the surface of human skin to the buckled crust of the Earth. They can also be useful structures for engineers. Wrinkles in thin films, for example, can help make durable circuit boards for flexible electronics. A new mathematical model developed by researchers from Brown University could help engineers control the formation of wrinkle, crease, and fold structures in a wide variety of materials. It may also help scientists understand how these structures form in nature. ...> Full Article


New math technique improves atomic property predictions to historic accuracy (7/7/2014)

By combining advanced mathematics with high-performance computing, scientists at NIST and Indiana University have developed a tool that allowed them to calculate a fundamental property of most atoms on the periodic table to historic accuracy, reducing error by a factor of a thousand in many cases. The technique also could be used to determine a host of other atomic properties important in fields like nuclear medicine and astrophysics. ...> Full Article


The great salmon run algorithm (6/25/2014)

Solving complex problems is rarely a straightforward process, there are often many variables and countless plausible solutions each one of which has its pros and cons. Mechanical engineers at the Babol University of Technology in Mazandaran, Iran, have turned to nature to devise an algorithm based on the survival trials faced by salmon swimming upstream to the spawning grounds to help them fish out the optimal solution to a given problem. They provide details in the International Journal of Computer Applications in Technology. ...> Full Article


Modern Mathematical Tools for Computer Graphics and Vision (6/18/2014)

Modern Mathematical Tools for Computer Graphics and VisionMore and more abstract mathematics has been applied in the research of computer graphics, geometric modeling and computer vision. The scope covers from tensor algebra, exterior algebra, geometric algebra, projective geometry, differential geometry, Riemannian geometry to topology, differentiable manifolds and Hilbert spaces. ...> Full Article


Snowballs to soot: The clumping density of many things seems to be a standard (6/12/2014)

Particles of soot floating through the air and comets hurtling through space have at least one thing in common: 0.36. That, reports a research group at NIST, is the measure of how dense they will get under normal conditions, and it's a value that seems to be constant for similar aggregates across an impressively wide size range from nanometers to tens of meters. ...> Full Article


Interactive teaching methods help students master tricky calculus (6/11/2014)

The key to helping students learn complicated math is to understand how to apply it to new ideas and make learning more interactive, according to a new study by UBC researchers. Pre-class assignments, small group discussions and clicker quizzes improve students' ability to grasp tricky first-year calculus concepts. ...> Full Article


A new methodology developed to monitor traffic flow (6/10/2014)

The most recent edition of the scientific journal Transportation Research Part B has published the research conducted, amongst others, by Fermín Mallor of the NUP/UPNA-Public University of Navarre. The work has developed a new mathematical methodology to monitor traffic flow so that medium and long-term forecasts can be made. ...> Full Article


Shape matters... (6/7/2014)

Which look bigger, packages of complicated shape or packages of simple shape? Some prior research shows that complex packages appear larger than simple packages of equal volume, while other research has shown the opposite -- that simple packages look bigger than the more complex. US researchers, writing in the International Journal of Management Practice believe they have resolved this dilemma. ...> Full Article


NIST requests public comment on proposed SHA-3 cryptographic standard (6/6/2014)

The National Institute of Standards and Technology has requested public comments on its newly proposed 'Secure Hash Algorithm-3' Standard, which is designed to protect the integrity of electronic messages. ...> Full Article


KAM theory demystified (6/5/2014)

Kolmogorov-Arnold-Moser theory (or 'KAM theory') is often cited as one of the most important mathematical results of the 20th century. In spite of this, many scientists are unfamiliar with KAM theory and why it is important. This new book is the first source to provide a readable, wide-angle overview of the content of KAM theory and its importance in mathematics, physics, chaos theory, and science generally. ...> Full Article

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New Articles
Fair cake cutting gets its own algorithm

Researchers develop EHR algorithms to identify undiagnosed hypertension

Mathematical model illustrates our online 'copycat' behavior

Platonic solids generate their 4-dimensional analoguesPlatonic solids generate their 4-dimensional analogues

19th century math tactic gets a makeover -- and yields answers up to 200 times faster19th century math tactic gets a makeover -- and yields answers up to 200 times faster

Mathematical models explain how a wrinkle becomes a creaseMathematical models explain how a wrinkle becomes a crease

New math technique improves atomic property predictions to historic accuracy

The great salmon run algorithm

Modern Mathematical Tools for Computer Graphics and VisionModern Mathematical Tools for Computer Graphics and Vision

Snowballs to soot: The clumping density of many things seems to be a standard

Interactive teaching methods help students master tricky calculus

A new methodology developed to monitor traffic flow

Shape matters...

NIST requests public comment on proposed SHA-3 cryptographic standard

KAM theory demystified



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