Phys.org: Mathematics News
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en-usPhys.org provides the latest news on mathematics, math, math science, mathematical science and math technology. Study using OpenStreetMap and mathematics reveals there are only four unique city topologies(Phys.org) —A pair of researchers, a physicist and a mathematician, has used data from OpenStreetMap and mathematical analysis to come up with the idea that there are only four main types of city topologies. In their paper published in Journal of the Royal Society Interface, Rémi Louf and Marc Barthelemy describe how they used publicly available data to compare the topologies of 131 cities around the world and what their study has revealed.
http://phys.org/news331972198.html
Other Sciences - MathematicsWed, 08 Oct 2014 08:50:01 EDTnews331972198Mathematical model tackles 'Game of Thrones' predictionsTake events from the past, build a statistical model, and tell the future. Why not apply the formula to novels? Can contents in future books be predicted based only on data from existing ones? Richard Vale at the University of Canterbury in New Zealand, said The Physics arXiv Blog, has taken on the challenge in predicting content of as yet unpublished novels in the "A Song of Ice and Fire" series by George R R Martin. The novels are the basis of the television series, "Game of Thrones." The series has five books and two more are awaited. Before proceeding, it should be emphasized that the paper comes with a spoiler alert, so avoid linking to Vale's study if you have not read the first five books.
http://phys.org/news331300193.html
Other Sciences - MathematicsTue, 30 Sep 2014 12:50:12 EDTnews331300193Adding uncertainty to improve mathematical modelsMathematicians from Brown University have introduced a new element of uncertainty into an equation used to describe the behavior of fluid flows. While being as certain as possible is generally the stock and trade of mathematics, the researchers hope this new formulation might ultimately lead to mathematical models that better reflect the inherent uncertainties of the natural world.
http://phys.org/news331227369.html
Other Sciences - MathematicsMon, 29 Sep 2014 16:36:51 EDTnews331227369At the interface of math and scienceIn popular culture, mathematics is often deemed inaccessible or esoteric. Yet in the modern world, it plays an ever more important role in our daily lives and a decisive role in the discovery and development of new ideas—often behind the scenes.
http://phys.org/news331226355.html
Other Sciences - MathematicsMon, 29 Sep 2014 16:23:37 EDTnews331226355Researcher figures out how sharks manage to act like math geniuses(Phys.org) —Bioresearcher Andy Reynolds with Rothamsted Research in the U.K., believes he has solved the mystery of how sharks act like math geniuses—they simply turn away from turbulence, he reports in his paper published in the journal Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. His research effort and paper came in response to prior research that showed sharks trap prey using what's known as Lévy flight—a mathematical description of an optimal way of moving from one position to another using both long and short hops.
http://phys.org/news330165297.html
Other Sciences - MathematicsWed, 17 Sep 2014 10:00:01 EDTnews330165297Professor quantifies how 'one thing leads to another'(Phys.org) —"One thing led to another," people often say. Events, discoveries and relationships are triggered by something previous. The iPhone case was designed only because the iPhone was invented first. A song became popular only after someone liked it.
http://phys.org/news327303663.html
Other Sciences - MathematicsFri, 15 Aug 2014 06:41:16 EDTnews327303663Team announces construction of a formal computer-verified proof of the Kepler conjecture(Phys.org) —A team of researchers led by the man, Thomas Hales, who came up with written proof of the Kepler conjecture is now reporting that they have constructed a formal proof of the conjecture, which implies the use of a computer. The announcement was made on The Flyspeck Project page, and puts to rest any doubts about the correctness of the proof done by Hales in 1998.
http://phys.org/news327142848.html
Other Sciences - MathematicsWed, 13 Aug 2014 10:10:01 EDTnews327142848Iranian is first woman to win 'Nobel Prize of maths' (Update) An Iranian-born mathematician has become the first woman to win a prestigious Fields Medal, widely viewed as the Nobel Prize of mathematics.
http://phys.org/news327084622.html
Other Sciences - MathematicsTue, 12 Aug 2014 17:50:34 EDTnews327084622Mathematicians analyse new 'racetrack memory' computer device(Phys.org) —Competition to create the smallest, lightest and cheapest laptop on the market is motivating the ongoing search for a better computer-memory device then the current, conventional 2D hard-disk technology. Mathematicians from the University of Bristol have been analysing the potential of one such initiative: the 'racetrack memory' device, proposed by researchers at IBM.
http://phys.org/news326103255.html
Other Sciences - MathematicsFri, 01 Aug 2014 09:40:03 EDTnews326103255'Moral victories' might spare you from losing againIt's human nature to hate losing. Unfortunately, it's also human nature to overreact to a loss, potentially abandoning a solid strategy and thus increasing your chances of losing the next time around.
http://phys.org/news325181302.html
Other Sciences - MathematicsMon, 21 Jul 2014 17:09:13 EDTnews325181302Fair cake cutting gets its own algorithmThe next time your children quibble about who gets to eat which part of a cake, call in some experts on the art of sharing. 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.
http://phys.org/news324744657.html
Other Sciences - MathematicsWed, 16 Jul 2014 15:51:10 EDTnews324744657Effort to model Facebook yields key to famous math problem (and a prize)(Phys.org) —Dan Spielman, a Yale computer scientist, wasn't looking for a new problem. He was already deeply immersed in a tricky effort to model complex online communities like Facebook, hoping to gain insight into how they form and interact.
http://phys.org/news324021302.html
Other Sciences - MathematicsTue, 08 Jul 2014 07:40:02 EDTnews324021302Mathematical model illustrates our online 'copycat' behaviorResearchers from the University of Oxford, the University of Limerick, and the Harvard School of Public Health have developed a mathematical model to examine online social networks, in particular the trade-off between copying our friends and relying on 'best-seller' lists.
http://phys.org/news323962917.html
Other Sciences - MathematicsMon, 07 Jul 2014 15:00:05 EDTnews32396291719th 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.
http://phys.org/news323351578.html
Other Sciences - MathematicsMon, 30 Jun 2014 12:53:29 EDTnews323351578Mathematical 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.
http://phys.org/news322919593.html
Other Sciences - MathematicsWed, 25 Jun 2014 12:53:25 EDTnews322919593Mathematician unleashes 'a wave of new results' in geometric analysisIt's something children do every day when blowing bubbles: Stick a circular wire in a pot of soapy water, pull it out, and behold the film forming across it.
http://phys.org/news321085124.html
Other Sciences - MathematicsWed, 04 Jun 2014 07:19:08 EDTnews321085124Researchers devise method to study network resistance to random failures based on 'random walks'(Phys.org) —A small team of mathematicians with Universitat Rovira i Virgili in Spain, has come up with a way to study a network's resistance to failure. In their paper published in Proceedings of the National Academy of Sciences, the researchers describe the concept of "random walks" and how it can be used to mathematically analyze a wide variety of networks to study its resistance to failure.
http://phys.org/news320400230.html
Other Sciences - MathematicsTue, 27 May 2014 09:30:04 EDTnews320400230Mathematicians trace source of Rogers-Ramanujan identities, find algebraic goldMathematicians have found a framework for the celebrated Rogers-Ramanujan identities and their arithmetic properties, solving another long-standing mystery stemming from the work of Indian math genius Srinivasa Ramanujan.
http://phys.org/news317992029.html
Other Sciences - MathematicsTue, 29 Apr 2014 12:07:54 EDTnews317992029Hyperbolic homogeneous polynomials, oh my!Cutting-edge mathematics today, at least to the uninitiated, often sounds as if it bears no relation to the arithmetic we all learned in grade school. What do topology and combinatorics and n-dimensional space have to do with addition, subtraction, multiplication, and division? Yet there remains within mathematics one vibrant field of study that makes constant reference to basic arithmetic: number theory. Number theory—the "queen of mathematics," according to the famous 19th century mathematician Carl Friedrich Gauss—takes integers as its starting point. Begin counting 1, 2, 3, and you enter the domain of number theory.
http://phys.org/news317286995.html
Other Sciences - MathematicsMon, 21 Apr 2014 09:10:08 EDTnews317286995Overcoming structural uncertainty in computer modelsA computer model is a representation of the functional relationship between one set of parameters, which forms the model input, and a corresponding set of target parameters, which forms the model output. A true model for a particular problem can rarely be defined with certainty. The most we can do to mitigate error is to quantify the uncertainty in the model.
http://phys.org/news315571732.html
Other Sciences - MathematicsTue, 01 Apr 2014 11:49:05 EDTnews315571732Statistical physics algorithm helps basketball fans fill out NCAA bracket(Phys.org) —Back in the early 2000s, Ed Feng was a Ph.D. student at Stanford studying chemical engineering. At the time, he never thought that his research on the dynamics of liquids using statistical physics would one day lead to an algorithm that ranks sports teams. Yet now, more than a decade later, he's running a website devoted to sports analytics based on statistical physics that works much in the same way as Google's PageRank algorithm works for ranking websites.
http://phys.org/news314338816.html
Other Sciences - MathematicsTue, 18 Mar 2014 09:20:01 EDTnews314338816Computational study finds maximum packing density of 55,000 different shapesA team of researchers at the University of Michigan has used computational and analytical analysis to find the maximum packing density of 55,000 uniquely shaped particles. In their paper published in the journal Physical Review Letters, the team describes how they used two parameters: edge and corner truncation, to find the most efficient way to pack various structures.
http://phys.org/news313226585.html
Other Sciences - MathematicsWed, 05 Mar 2014 10:00:02 EDTnews313226585Secret to the perfect pancake is discoveredIn a collaboration with Meadowhall Shopping Centre, students from the University's Maths Society (SUMS) developed, trialled and tested a formula which enables pancake-lovers across the world to rustle-up pancakes to their own personal preference, taking into account the number of pancakes required, thickness and pan size.
http://phys.org/news313148880.html
Other Sciences - MathematicsTue, 04 Mar 2014 09:48:39 EDTnews313148880New data shows baseball managers when to replace the starting pitcherLast October, the Detroit Tigers won the first game of the American League Championship Series against the Boston Red Sox; the Tigers led the second game, 5-1, going into the eighth inning in Boston's Fenway Park, with one of the league's best starting pitchers, Max Scherzer, on the mound. They were six outs from taking command of the series.
http://phys.org/news312806511.html
Other Sciences - MathematicsFri, 28 Feb 2014 10:42:19 EDTnews312806511Computer generated math proof is too large for humans to check(Phys.org) —A pair of mathematicians, Alexei Lisitsa and Boris Konev of the University of Liverpool, U.K., have come up with an interesting problem—if a computer produces a proof of a math problem that is too big to study, can it be judged as true anyway? In a paper they've uploaded to the preprint server arXiv, the two describe how they set a computer program to proving a small part of what's known as "Erdős discrepancy problem"—the proof produced a data file that was 13-gigabytes in size—far too large for any human to check, leading to questions as to whether the proof can be taken as a real proof.
http://phys.org/news312027154.html
Other Sciences - MathematicsWed, 19 Feb 2014 11:00:02 EDTnews312027154Researchers propose a better way to make sense of 'Big Data'Big Data is everywhere, and we are constantly told that it holds the answers to almost any problem we want to solve. Companies collect information on how we shop, doctors and insurance companies gather our medical test results, and governments compile logs of our phone calls and emails. In each instance, the hope is that critical insights are hidden deep within massive amounts of information, just waiting to be discovered.
http://phys.org/news311967605.html
Other Sciences - MathematicsTue, 18 Feb 2014 17:40:17 EDTnews311967605After 400 years, mathematicians find a new class of solid shapesThe work of the Greek polymath Plato has kept millions of people busy for millennia. A few among them have been mathematicians who have obsessed about Platonic solids, a class of geometric forms that are highly regular and are commonly found in nature.
http://phys.org/news311931562.html
Other Sciences - MathematicsTue, 18 Feb 2014 08:30:01 EDTnews311931562Study suggests banks could learn from monkeys to avoid collapse(Phys.org) —All jokes about monkey business aside, primate social networks provide valuable lessons that could help predict and prevent catastrophes like the global financial crisis of 2008, report researchers at the University of California, Davis.
http://phys.org/news311411464.html
Other Sciences - MathematicsWed, 12 Feb 2014 07:40:02 EDTnews311411464Mathematicians calculate that there are 177,147 ways to knot a tie(Phys.org) —A small team of mathematicians, led by Mikael Vejdemo-Johansson of the of the KTH Royal Institute of Technology in Stockholm, has uploaded a paper to the preprint server arXiv describing a mathematical process they used to determine that the number of ways to tie a tie is 177,147—far more than previous research has suggested.
http://phys.org/news311253254.html
Other Sciences - MathematicsMon, 10 Feb 2014 11:40:01 EDTnews311253254Researchers develop 'envy-free' algorithm for settling disputesWhether it's season tickets to Green Bay Packers' games or silver place settings, divorce and inheritance have bred protracted disputes over the assignment of belongings. But, now, a trio of researchers has found a method for resolving such conflicts in an envy-free way.
http://phys.org/news310649138.html
Other Sciences - MathematicsMon, 03 Feb 2014 11:25:54 EDTnews310649138