Mathematical Modeling

Mathematical Modeling News -- ScienceDaily Math modeling. Browse research on mathematical models. Read about math models explaining the shape of the ear, stock performance, musical expression, diseases and more.

  • Origins of Sun's swirling spicules discovered
    on June 22, 2017 at 9:14 pm

    For the first time, a computer simulation -- so detailed it took a full year to run -- shows how spicules form, helping scientists understand how spicules can break free of the sun's surface and surge upward so quickly. […]

  • Mathematical confirmation: Rewiring financial networks reduces systemic risk
    on June 22, 2017 at 2:39 pm

    A proposed tax on systemically risky financial transactions could reduce the risk of financial system crashes by spurring financial networks to reshape in more resilient ways, suggests a new report. […]

  • Mathematical biology tackles destructive plant virus
    on June 20, 2017 at 6:29 pm

    Plant diseases pose a serious threat to global food security, especially in developing countries, where millions of people depend on consuming what they harvest. In sub-Saharan Africa, one plant disease in particular -- maize lethal necrosis -- is ravaging one of the region's preferred crops for food, feed and income. But understanding its biology in order to manage the disease is difficult because the disease arises from two viruses interacting -- which is where mathematics comes into play. […]

  • Cow herd behavior is fodder for complex systems analysis
    on June 20, 2017 at 3:42 pm

    With closer inspection, researchers have recognized that what appears to be a randomly dispersed herd peacefully eating grass is in fact a complex system of individuals in a group facing differing tensions. A team of mathematicians and a biologist has now built a mathematical model that incorporates a cost function to behavior in such a herd to understand the dynamics of such systems. […]

  • A unique data center for cosmological simulations
    on June 20, 2017 at 3:41 pm

    Scientists have established 'Cosmowebportal', a unique data center for cosmological simulations. The complete results of a series of large hydrodynamical cosmological simulations are available, with data volumes typically exceeding several hundred terabytes. Scientists worldwide can interactively explore these complex simulations via a web interface and directly access the results. […]

  • Building a better alligator: Advanced 3-D models of bite data
    on June 16, 2017 at 5:56 pm

    The ability to bite hard is critical for crocodilians to eat their food such as turtles, wildebeest and other large prey; therefore, their anatomy is closely studied by veterinarians and paleontologists who are interested in animal movements and anatomy. Now, researchers have developed three-dimensional models of the skull of the American alligator using cutting-edge imaging and computational tools. […]

  • Making wires of polymers chains
    on June 16, 2017 at 4:17 pm

    Researchers have modeled a new route to molecular wires suitable for use in miniature electronics. […]

  • Mathematicians deliver formal proof of Kepler Conjecture
    on June 16, 2017 at 2:21 pm

    A mathematical problem more than 300 years old gets a formal proof with the help of computer formal verification. […]

  • Faster performance evaluation of 'super graphs'
    on June 16, 2017 at 2:21 pm

    A more nimble computer-based model has been developed that quickly analyzes the performance of super graphs, such as those used by Google to rank Internet websites. […]

  • Smart materials used in ultrasound behave similar to water
    on June 15, 2017 at 4:06 pm

    Researchers have provided new insight into piezoelectrics materials, a smart material used in ultrasound technology. While forming the most thorough model to date of how these materials work, they found striking similarities with the behavior of water. A more complete understanding of why these materials behave the way they do can unlock new materials design, leading to higher quality piezoelectrics that may revolutionize smart material applications. […]

  • Modeling the brain with 'Lego bricks'
    on June 15, 2017 at 4:06 pm

    Researchers have developed a computational method that could be used to guide surgeons during brain surgery. […]

  • Reproducing a retinal disease on a chip
    on June 15, 2017 at 2:06 pm

    Good news for the treatment of retinal diseases using the organ-on-a-chip approach. […]

  • The largest virtual Universe ever simulated
    on June 9, 2017 at 2:22 pm

    Researchers have simulated the formation of our entire Universe with a large supercomputer. A gigantic catalogue of about 25 billion virtual galaxies has been generated from 2 trillion digital particles. This catalogue is being used to calibrate the experiments on board the Euclid satellite, that will be launched in 2020 with the objective of investigating the nature of dark matter and dark energy. […]

  • Harnessing computational intelligence to improve the management of health emergencies
    on June 9, 2017 at 2:22 pm

    The analysis of thousands of records of patients' physiological values has allowed a researcher to develop a system of algorithms to determine the degree of seriousness of the condition of the patients. A system of this type offers an improvement in spotting the more serious cases, and not only do the patients receive better attention, the resources of the healthcare services are also better managed. […]

  • How the brain recognizes what the eye sees
    on June 8, 2017 at 6:56 pm

    New work outlining the brain's visual process could improve self-driving cars and point to therapies for sensory impairment, suggest investigators. […]

  • Fake online profiles easier to fish out with new software tool
    on June 7, 2017 at 4:38 pm

    People who use fake profiles online could be more easily identified, thanks to a new tool developed by computer scientists. […]

  • Data from satellite imagery useful for malaria early warning systems
    on June 7, 2017 at 1:42 pm

    A new model has been created that uses seasonal weather data from satellite images to accurately predict outbreak of malaria with a one-month lead time. With a so-called GAMBOOST model, a host of weather information gathered from satellite images can be used as a cost-effective disease forecasting model, allowing health officials to get ahead of the malaria infection curve by allocating resources and mobilizing public health responses. […]

  • Scientists slash computations for deep learning
    on June 1, 2017 at 5:56 pm

    Computer scientists have adapted a widely used technique for rapid data-lookup to slash the amount of computation -- and thus energy and time -- required for 'deep learning.' […]

  • Innovative approaches to improve personalized radiation therapy for head and neck cancer patients
    on May 31, 2017 at 3:07 pm

    Researchers are able to use the radiosensitivity index within a mathematical framework to select the optimum radiotherapy dose for each patient based on their individual tumor biology, outlines a new report. […]

  • Mysterious new phase of matter: Breaking glass in infinite dimensions
    on May 30, 2017 at 3:50 pm

    With the help of some mathematical wizardry borrowed from particle physics -- plus around 30 pages of algebraic calculations, all done by hand -- scientists have laid to rest a 30-year-old mystery about the nature of glass. New insights open up the possibility that some types of glass may exist in a new state of matter at low temperatures. […]

  • Engines fire without smoke
    on May 29, 2017 at 1:05 pm

    By observing the soot particles formed in a simple flame, researchers have developed a computational model capable of simulating soot production inside the latest gasoline automobile engines1. […]

  • Urban emissions could be cut by seventy per cent
    on May 29, 2017 at 1:00 pm

    A researcher has developed a mathematical model that determines the optimal conditions for sustainable urban distribution. The model can reduce logistical pressure in cities and make goods transport more sustainable. In some cases, it may be possible to reduce emissions in cities by seventy per cent. […]

  • Multiscale modeling reveals key events during early atherosclerotic plaque development
    on May 25, 2017 at 6:16 pm

    A new computational modeling technique could indicate when atherosclerotic plaques will likely undergo rapid growth, reports a new study. […]

  • Mathematical modeling can identify ways to limit aggressive tumor cell growth
    on May 24, 2017 at 2:06 pm

    Mathematical models can be used to predict how different tumor cell populations interact with each other and respond to a changing environment, research suggests. […]

  • A fresh math perspective opens new possibilities for computational chemistry
    on May 19, 2017 at 9:23 pm

    A new mathematical “shortcut” is speeding up molecular absorption calculations by a factor of five, so simulations that used to take 10 to 15 hours to compute can now be done in approximately 2.5 hours. […]

  • Advancing cancer immunotherapy with computer simulations and data analysis
    on May 17, 2017 at 6:36 pm

    Immunotherapy supercharges the body's own disease-fighting mechanisms to combat cancer. Researchers are using advanced computing resources to simulate the effects of immunotherapy drugs, develop novel dose-finding designs for clinical trials, and analyze and share next-generation immune protein sequence data. These efforts are helping scientists determine which immune treatments may be most effective for which patients and allowing them to design new and improved immunotherapies. […]

  • Breaking down social networking behavior
    on May 16, 2017 at 3:43 pm

    New big-data analytics suggests that both an individual's economic status and how they are likely to react to issues and policies can be inferred by their position in social networks. The study could be useful in maximizing the effects of large-scale economic stimulus policies. […]

  • Molecular dynamics, machine learning create 'hyper-predictive' computer models
    on May 15, 2017 at 7:07 pm

    Researchers have demonstrated that molecular dynamics simulations and machine learning techniques could be integrated to create more accurate computer prediction models. These 'hyper-predictive' models could be used to quickly predict which new chemical compounds could be promising drug candidates. […]

  • Physics may bring faster solutions for tough computational problems
    on May 12, 2017 at 11:57 pm

    Researchers have used an elegant method based on statistical mechanics -- called the vertex model -- to create more efficient algorithms to solve complex problems more quickly. The research could solve problems in machine learning, circuit optimization and other major computational challenges. […]

  • Twitter used to track the flu in real time
    on May 9, 2017 at 4:19 pm

    An international team has developed a unique computational model to project the spread of the seasonal flu in real time. It uses posts on Twitter in combination with key parameters of each season's epidemic, including the incubation period of the disease, the immunization rate, how many people an individual with the virus can infect, and the viral strains present. […]