Recently Updated Pages
2006 ICM Problem：Trade-offs in the fight against HIV/AIDS
As the HIV/AIDS pandemic enters its 25th year, both the number of infections and number of deaths...
2006 MCM B：Wheel Chair Access at Airports
One of the frustrations with air travel is the need to fly through multiple airports, and each st...
2006 MCM A：Positioning and Moving Sprinkler Systems for Irrigation
There are a wide variety of techniques available for irrigating a field. The technologies range f...
2005 ICM Problem：Nonrenewable Resources
Select a vital nonrenewable or exhaustible resource (water, mineral, energy, food, etc.) for whic...
2005 MCM B：Tollbooths
Heavily-traveled toll roads such as the Garden State Parkway , Interstate 95, and so forth, are m...
2005 MCM A：Flood Planning
Lake Murray in central South Carolina is formed by a large earthen dam, which was completed in 19...
2004 ICM Problem：To Be Secure or Not to Be?
You probably know about computer hackers and computer viruses. Unless your computer has been targ...
2004 MCM B：A Faster QuickPass System
"QuickPass" systems are increasingly appearing to reduce people's time waiting in line, whether i...
2004 MCM A：Are Fingerprints Unique?
It is a commonplace belief that the thumbprint of every human who has ever lived is different. De...
2003 ICM Problem：Aviation Baggage Screening Strategies: To Screen or Not to Screen, that is the Question
You are an analysis team in the Office of Security Operations for the Transportation Security Adm...
2003 MCM B：Gamma Knife Treatment Planning
Stereotactic radiosurgery delivers a single high dose of ionizing radiation to a radiographically...
2003 MCM A：The Stunt Person
An exciting action scene in a movie is going to be filmed, and you are the stunt coordinator! A s...
2002 MCM Problem：If we SCRUB our land too much, we may lose the LIZARDs
Picture by Grant Hokit The Florida scrub lizard is a small, gray or gray-brown lizard that lives...
2002 MCM B：Airline Overbooking
You're all packed and ready to go on a trip to visit your best friend in New York City. After y...
2002 MCM A：Wind and Waterspray
An ornamental fountain in a large open plaza surrounded by buildings squirts water high into the ...
2001 ICM Problem：Our Waterways - An Uncertain Future
Zebra mussels, Dreissena polymorpha, are small, fingernail-sized, freshwater mollusks unintention...
2001 MCM B: Escaping a Hurricane's Wrath (An Ill Wind...)
Evacuating the coast of South Carolina ahead of the predicted landfall of Hurricane Floyd in 1999...
2001 MCM A：Choosing a Bicycle Wheel
Cyclists have different types of wheels they can use on their bicycles. The two basic types of wh...
2000 ICM Problem：Elephants: When is Enough, Enough?
"Ultimately, if a habitat is undesirably changed by elephants, then their removal should be consi...
2000 MCM B：Radio Channel Assignments
We seek to model the assignment of radio channels to a symmetric network of transmitter locations...