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2013 ICM Problem A：Network Modeling of Earth's Health
Background: Society is interested in developing and using models to forecast the biological and e...
2013 MCM B：Water, Water, Everywhere
Fresh water is the limiting constraint for development in much of the world. Build a mathematical...
2012 ICM Problem：Modeling for Crime Busting
Your organization, the Intergalactic Crime Modelers (ICM), is investigating a conspiracy to commi...
2012 MCM B：Camping along the Big Long River
Visitors to the Big Long River (225 miles) can enjoy scenic views and exciting white water rapids...
2012 MCM A：The Leaves of a Tree
"How much do the leaves on a tree weigh?" How might one estimate the actual weight of the leaves ...
2011 ICM Problem：How environmentally and economically sound are electric vehicles? Is their widespread use feasible and practical?
Here are some issues to consider, but, of course, there are many more, and you will not be able t...
2011 MCM B：Repeater Coordination
The VHF radio spectrum involves line-of-sight transmission and reception. This limitation can be ...
2011 MCM A：Snowboard Course
Determine the shape of a snowboard course (currently known as a "halfpipe") to maximize the produ...
2010 ICM Problem：The Great Pacific Ocean Garbage Patch
Recently, there has been considerable news coverage of the “Great Pacific Ocean Garbage Patch.” S...
2010 MCM B：Criminology
In 1981 Peter Sutcliffe was convicted of thirteen murders and subjecting a number of other people...
2010 MCM A：The Sweet Spot
Explain the "sweet spot" on a baseball bat. Every hitter knows that there is a spot on the fat p...
2009 ICM Problem：Creating Food Systems: Re-Balancing Human-Influenced Ecosystems
Background Less than 1% of the ocean floor is covered by coral. Yet, 25% of the ocean’s biodiver...
2009 MCM B：Energy and the Cell Phone
This question involves the “energy” consequences of the cell phone revolution. Cell phone usage i...
2009 MCM A：Designing a Traffic Circle
Many cities and communities have traffic circles—from large ones with many lanes in the circle (s...
2008 ICM Problem：Finding the Good in Health Care Systems
Nations have systems for providing health care for their residents. Issues that are often of conc...
2008 MCM B：Creating Sudoku Puzzles
Develop an algorithm to construct Sudoku puzzles of varying difficulty. Develop metrics to define...
2008 MCM A：Take a Bath
Consider the effects on land from the melting of the north polar ice cap due to the predicted inc...
2007 ICM PROBLEM：Organ Transplant: The Kidney Exchange Problem
Transplant Network: Despite the continuing and dramatic advances in medicine and health technolog...
2007 MCM B：The Airplane Seating Problem
Airlines are free to seat passengers waiting to board an aircraft in any order whatsoever. It has...
2007 MCM A：Gerrymandering
The United States Constitution provides that the House of Representatives shall be composed of so...