Articles tagged with Mathematical Modeling
Undergraduate researchers from Yale-NUS College found that two mathematical models describing magnetoresistance are equivalent, providing a unified framework for understanding the phenomenon. The discovery has implications for future research and practical applications in electronic devices.
Scientists have identified a key role for protein MIRO1 in attaching peroxisomes to molecular motors, enabling movement and membrane dynamics in human cells. This discovery has provided new insights into the molecular mechanisms determining peroxisome number and shape.
Researchers design a mathematical model that predicts how mobility affects disease spread, finding that daily mobility reduces epidemics in large cities. The model suggests that recurring mobility helps even out population density, reducing the occurrence of epidemics.
The High-Performance Distributed Systems Lab at Kazan Federal University is developing mathematical models to unite various processes in oil reservoirs. These models aim to reduce costs and improve the efficiency of steam-assisted gravity drainage (SAGD) processes.
A mathematical model reveals that adding a pendulum between the container and carrying hand reduces sloshing by diminishing resonant frequency. The study shows that this design significantly reduces liquid movement, minimizing spills and burns.
A recent study by Hokkaido University found that the global risk of Madagascar's pneumonic plague epidemic is limited, with an estimated risk of less than 0.1 person per country between August and October. The basic reproduction number was calculated at 1.73, and case fatality risk was 5.5 percent.
Qiang Du, a leading applied mathematician at Columbia University, has been elected an AAAS Fellow for his distinguished work in applied and computational mathematics. His research focuses on theoretical analysis, numerical simulations, and mathematical modeling of various applications.
Researchers from CNRS and INSA Strasbourg propose a new mechanism to explain lower-than-predicted vibrations near tracks as train speed increases. They show that a large part of energy is trapped in the heterogeneous ballast layer, leading to accelerated degradation.
Researchers developed a biomechanical model to estimate the critical crowd size at which pedestrian bridge wobbling begins, allowing for the design of safer bridges. The model takes into account nonlinear effects associated with pedestrian behavior and bridge interaction.
Researchers at Johannes Gutenberg University Mainz found that chromosomes are likely entangled, suggesting they may be knotted. The team used mathematical algorithms to examine 3D polymer models of chromosomes and extended the models to determine if they contain knots.
A recent study by Philipp Mitteroecker and colleagues used the cliff edge model to predict that women born by Caesarean are more likely to develop FPD in their own childbirth, with a 2.8 times higher risk compared to women born vaginally.
Researchers used a mathematical model to determine how cone cells in zebrafish arrange themselves into specific patterns. Small defects in the patterns lead to only one of two possible arrangements, emerging from differences in adhesion force between cells.
Researchers develop mathematical model that uncovers link between OCD beliefs and actions. People with OCD develop accurate sense of how things work but disregard it when making decisions, leading to second-guessing themselves.
A new project aims to investigate the effects of the forcing technique on mathematics and philosophy, promising a revolutionary paradigm shift. The funding of about 900,000 euros will support Carolin Antos' research for five years.
Researchers are developing a new class of biological therapeutics that can coevolve with viruses, potentially eliminating or blunting resistance. By leveraging natural phenomena like defective interference, they aim to create therapeutic interfering particles that can reduce disease severity and transmission.
A mathematical model of embodied consciousness predicts states of consciousness and behavior, analyzing free energy and projective geometry. The model, developed by an international team of experts, has potential industrial applications in robotics, AI, and healthcare.
Two undergraduate students from the University of Illinois improved plant carbon-cycle models by discovering variation in stomata behavior among different tree species. Their findings reduced error rates by 30-60%, increasing model accuracy and improving predictions of crop growth, biomass production, and ecosystem dynamics.
Researchers discovered that fish can modulate fin stiffness by applying a u-shaped curvature at the base of their fins, altering force generation on the water. This allows them to swim with varying speeds and maneuverability in different currents. The study's findings could inspire the design of more agile robotic swimmers.
The Math Alliance has been awarded the Mathematics Programs that Make a Difference Award by the American Mathematical Society for its work promoting diversity and inclusion in mathematics. The organization's programs have successfully addressed underrepresentation of minority groups, with a 30-fold expansion over the last decade.
A mathematical model shows that injections of peptide CK2.3 can increase bone formation and decrease bone degradation, potentially treating osteoporosis. The researchers used a combination of biological and mathematical models to calculate ideal dosages for humans and mice, aiming to develop a promising remedy for the condition.
Research from the University of Surrey and Harvard Medical School found that delaying school start times in the UK won't reduce sleep deprivation in teenagers. Instead, they recommend exposing teens to bright light during the day and turning off lights at night as an effective solution.
A new framework developed by the University of Queensland has improved the accuracy of biodiversity models in ecology, conservation biology, and global change research. The framework assesses species interactions and detects higher-order interactions that were previously overlooked.
USU scientist Sarah Null is developing mathematical models to explore processes and interactions of built and natural water systems. Her research aims to improve aquatic ecosystem representation in water resources models, enabling quantitative analysis of water supply, hydropower, and habitat trade-offs.
Researchers developed a method to compute optimal traffic light settings for urban intersections by applying traffic flow conservation laws on networks. The approach uses partial outer convexification, splitting the problem into two stages: nonlinear dynamic optimization and linear mixed-integer programming.
A mathematical modeling study suggests that female beauty in animals may be driven by factors beyond romantic attraction. In some species, traits like red-tipped claws or feathery fringes on legs help females compete for resources such as social status or protection.
Researchers at Cornell University developed an artificial Ms. Pac-Man player that achieved a laboratory score of 43,720, surpassing the existing high score for computerized play. The player uses a decision-tree approach and demonstrates accuracy in predicting ghost movements with 94.6-percent accuracy.
A new study reveals that hospital antibiotic management strategies, including cycling and mixing, are ineffective in combating antibiotic resistance. The researchers recommend alternative strategies like reactive cycling and individualized treatments to optimize antibiotic use.
A study published in PNAS details a mathematical model of the timing of phage-induced cell death, revealing high precision and counterintuitive insights into regulatory mechanisms. The research has implications for medicine and broader applications in chemical kinetics, ecological modeling, and statistical physics.
A mathematical model by Carl Bergstrom and colleagues explores the effect of publication bias on fact canonization in science. The study found that lower publication rates for negative results increase the risk of false canonization, but suggest that publishing more negative results could help minimize this risk.
Researchers propose new approaches to fight diseases using economic epidemiological modeling and Lagrangian approach, which consider unique factors of social and geographic patches
Researchers at Tomsk State University developed a universal method for calculating the most efficient operation of systems with incoming flow. This approach can be used to eliminate queues in shops and banks, as well as reduce mobile communication congestion during holidays.
Researchers developed a mathematical model to understand xenophagy, a key cellular defense mechanism against Salmonella. The model suggests testable hypotheses for novel treatment strategies.
Researchers aim to create highly personalized approach to treating cystic fibrosis by analyzing mucus hydration and clearance in patient nasal cells using nuclear imaging techniques. The study could lead to a more effective treatment, increased life expectancy, and improved quality of life for CF patients.
The study models coffee extraction in drip filter machines, considering bed dimensions, flow rates, and grind size distribution. Approximate solutions are used to relate brewing performance with coffee, water, and equipment properties.
Researchers developed mathematical models to simulate and improve group behavior, demonstrating the feasibility of predicting and controlling crowd movements. The approach involves reducing interactions to a small number of effective ones, allowing for forecasts and interventions in groups with generalized patterns of behavior.
A new methodology in the agri-food sector has been recognized with an international award for its potential to reduce resource consumption and improve productivity. The methodology uses a mathematical model based on Petri nets to optimize crop production and processing.
Researchers developed a method to ensure fractional order stochastic differential inclusions can be controlled. This breakthrough applies to complex systems like financial markets and quantum systems. The team demonstrated controllability for both convex and nonconvex cases, enhancing device design and functionality.
The book explores special functions series and convergence in complex plane, useful for pure mathematicians, applied scientists, and engineers. It provides a unified approach to analyzing enumerable families of Bessel and Mittag-Leffler functions and their generalizations.
Columbia scientists have developed a mathematical model that explains how the human brain lays down new memories without wiping out old ones. The model, which describes synapses as systems with multiple dials, increases storage capacity by an enormous factor and provides a framework for future studies of memory.
A team of researchers has built a mathematical model that describes the molecular events associated with the beginning stage of learning and memory formation. The study focuses on dendritic spines, which are dynamic structures changing in size, shape, and number during development and aging.
A new study suggests that the risk of sports fans catching dengue fever during the Olympics is very low. According to mathematical modelling, only 23 tourists may bring home the illness and 206 catch it with no symptoms.
Researchers developed a mathematical model to investigate the impact of spatial structure on cooperation evolution. The study found that lattices can hinder cooperation, contrary to previous pairwise interaction-based theories.
Researchers develop mathematical models to mimic bird navigation in turbulent thermals, revealing key environmental cues like vertical wind acceleration and torque. The study aims to guide the design of energy-efficient autonomous gliders.
A new study published in PLOS Computational Biology suggests that using a specific sub-type of human mesenchymal stem cells can reduce potential risks associated with this therapy. This finding could lead to improved treatment outcomes for heart failure patients, providing a safer alternative to existing therapies.
Researchers have identified comprehensibility as a key goal in model development, considering stakeholders' understanding of the modeling process. The article provides a holistic framework for comprehensibility in data science projects, prioritizing human needs and understanding.
Researchers analyzed animal and robot models to understand the evolution of the tail from water to land. They found that as surface slopes increased, tails became crucial for lateral movement, with significant benefits at steeper inclines.
A University of Miami research team created a mathematical model to investigate the role of sexual transmission in the spread and control of Zika. The study found that mosquito control remains the most important mitigation method, but sexual transmission increases the risk of infection and prolongs outbreaks.
A mathematical model of open-heart surgery simulates oxygen levels in rat kidneys, revealing vulnerability to hypoxia during surgery. The study sheds light on the causes of kidney injury and suggests potential strategies for prevention.
Researchers predict a low risk of dengue infection among foreign visitors to the Rio Olympics, with estimates suggesting as few as three symptomatic cases and potentially no asymptomatic infections at all. The predictions are based on sophisticated mathematical modeling techniques and data from Brazil's Health Ministry.
A team of researchers at Washington University in St. Louis has developed the first 3D multiscale mathematical model of uterine contractions, which may aid in predicting preterm birth. The model precisely replicates the electrical activity in the uterus during a contraction using data from magnetomyography measurements.
Researchers create simulation model to account for sphere roughness in experiments, enabling accurate measurements and electrical conductivity. The model predicts a sweet spot for optimal contact area, reducing friction and minimizing damage.
A dengue vaccine has the potential to substantially reduce disease burden if it induces long-lasting immunity. Researchers found that a durable vaccine, with booster doses, can reduce annual dengue incidence by up to 80% within five years.
A study of worldwide sleep patterns combines math modeling, mobile apps and big data to parse the roles society and biology each play in setting sleep schedules. Cultural pressures can override natural circadian rhythms, with effects showing up most markedly at bedtime.
Researchers designed an equilibrium model to understand the factors that contribute to lens comfort, revealing the importance of suction pressure, radial tension, and hoop tension. The study aims to improve contact lens design and comfort, potentially leading to novel applications like drug administration and sensory enhancement.
Researchers have developed a new model that allows them to monitor the molecular traffic inside a single cell. This is crucial for studying diseases like Alzheimer's, Parkinson's, and Huntington's, where faulty transport can be fatal.
Researchers found that the average number of tornadoes per outbreak increased by 50% from 1954 to 2014, while the total number of tornadoes remained largely unchanged. This suggests that tornadoes are increasingly clustered in outbreaks, making extreme events more likely.
Researchers estimate that the world can emit even less greenhouse gases than previously estimated if global warming is to be kept under control. The study suggests a carbon budget of 590-1240 billion tons of CO2 from 2015 onwards to limit warming to below 2°C.
Researchers developed a framework to address uncertainty in mathematical models by considering the effects of correlated parameters. This approach improves model predictability and reliability, with applications in fields such as catalysis, combustion, environmental sciences, and biology.
A new mathematical model predicts tunable gene expression levels in fruit fly embryos, and experimental results validate its accuracy. The study shows that enhancers can adapt to new transcription factors, enabling precise manipulation of gene expression.
A new IT system uses mathematical algorithms to predict crime patterns and optimize police patrols. This breakthrough aims to reduce crime rates and save human resources, strengthening crime prevention over suppression.