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Modeling robust use of pesticides

Adaptive control techniques can help manage pests more effectively

nugget_iconAs population growth, greater food consumption, competition for land use, and climate change pose challenges to world food production, managing loss of crop due to pests and weeds becomes increasingly important. While chemical pesticides offer effective means for control, potential loss of crop yield  is still significant, as is cost. Global potential loss from pests has been estimated to be between 50% and 80% of yield based on crop type.

In a paper published last week in the SIAM Journal on Applied Mathematics, authors Chris Guiver et al propose adaptive control techniques to model pest dynamics and management as a control system. Read the rest of this entry »

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SIAM News: January/February Issue Now Available

The latest issue of SIAM News is now available online! Mathematics not only enhances scientific progress, but also hides within simple gestures we instinctively repeat every day. Such is the case when we turn on the lights. What does it take to ensure that every time we enter a dark room and flip the light switch, electricity is available and waiting for us to use? Read more about optimization and how one can generate electricity in a manner that is both satisfactory for consumers and efficient from the network point of view in the most recent issue of SIAM News.

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Winner Circle: 2016 JPBM Communications Awardees

Science writer Simon Singh and the National Museum of Mathematics (MoMath) are dual recipients of the Joint Policy Board for Mathematics’ (JPBM) 2016 Communications Awards. Singh, who is receiving the 2016 JPBM Communications Award for Expository and Popular Books, has authored many texts with mathematical elements. MoMath, a hands-on science center in New York, is receiving the 2016 JPBM Communications Award for Public Outreach. Read the rest of this entry »

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Nugget: Improving Musical Synchronization with Mathematical Modeling

Music functions as a universal connector that pervades most cultures. More specifically, rhythm and synchronization – both within and beyond the realm of music – are forms of communication that stimulate brain activity. Read the rest of this entry »

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Nugget: New SIR-Network Model Helps Predict Dengue Fever Epidemic in Urban Areas

Mathematics is often implemented in healthcare and medical research. From health management to the bio-pharmaceutical fields, math modeling can be used to predict the spread of diseases, how to prevent epidemics and so much more. An article “SIR-Network Model And its Application to Dengue Fever,” authored by Lucas M. Stolerman, Daniel Coombs and Stefanella Boatto, published recently in the SIAM Journal on Applied Mathematics introduces a new mathematical model which offers a simplified approach to studying the spread of the infectious virus, Dengue fever, in urban areas, specifically breaking down the epidemic dynamics across a city and its varying neighborhoods and populations. Read the rest of this entry »

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Nugget: Improving Electric Motor Efficiency Via Shape Optimization

Philadelphia, PA – In our competitive global society, successful and economical design of automotive and industrial structures is crucial. Optimizing the geometry of individual pieces of complex machines improves performance and efficiency of the entire device.

To achieve this, the automotive and aeronautic industries often rely on shape optimization, an approach that uses modeling to create a framework for making devices as smooth and efficient as possible. “A smoother rotation of the rotor can increase the energy efficiency of the motor, and at the same time reduce unwanted side effects like noise and vibrations,” says mathematician Ulrich Langer. Read the rest of this entry »

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SIAM Unwrapped December 2015

This issue of Unwrapped brought to you with partial support from:

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Unwrapped_icon_finalDear SIAM members,

It’s that time of year again! As we head into the close of 2015, we have lots to share, starting with the election results for the 2016 SIAM Board of Trustees, Council and officers. Meet the newest leadership, including outcomes from SIAM activity group elections, and don’t forget to renew your SIAM and SIAG memberships for 2016 to ensure you keep reaping all of your member benefits.

Happy holidays!

Becky Kerner
Editor Read the rest of this entry »

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Results Are In: SIAM Activity Group Elections

Congratulations to the SIAM Activity Group members who have been elected to serve as officers of their group starting in the New Year, and thank you for the interest and dedication of all members who ran in the recent election. It’s going to be a great year; here’s to the 2016 officers! Learn more about the activity groups we have and how to become a member of one. Read the rest of this entry »

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Meet SIAM’s Newest Leadership: Board, Council, Officers

Following SIAM’s recent elections, we are pleased to announce our new Board, Council and Officers. Thank you to the entire slate of outstanding candidates for your willingness to serve the SIAM community in this capacity, and the SIAM members who cast your vote in the election.  Learn more about these leaders. Read the rest of this entry »

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