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2018 MCM A：Multi-hop HF Radio Propagation
Background: On high frequencies (HF, defined to be 3 - 30 MHz), radio waves can travel long dista...
2017 ICM Problem F: Migration to Mars: Utopian Workforce of the 2100 Urban Society
The international agency, Laboratory of Interstellar Financial & Exploration Policy (LIFE), h...
2017 ICM Problem E：Sustainable Cities Needed!
Background: Many communities are implementing smart growth initiatives in an effort to consider ...
2017 ICM Problem D： Optimizing the Passenger Throughput at an Airport Security Checkpoint
Following the terrorist attacks in the US on September 11, 2001, airport security has been signif...
2017 MCM C：“Cooperate and navigate”
Traffic capacity is limited in many regions of the United States due to the number of lanes of ro...
2017 MCM B：Merge After Toll
Multi-lane divided limited-access toll highways use “ramp tolls” and “barrier tolls” to collect t...
2017 MCM A：Managing The Zambezi River
The Kariba Dam on the Zambezi River is one of the larger dams in Africa. Its construction was con...
2016 ICM Problem F：Modeling Refugee Immigration Policies
With hundreds of thousands of refugees moving across Europe and more arriving each day, considera...
2016 ICM Problem E：Are we heading towards a thirsty planet?
Will the world run out of clean water? According to the United Nations, 1.6 billion people (one q...
2016 ICM Problem D：Measuring the Evolution and Influence in Society’s Information Networks
Information is spread quickly in today’s tech-connected communications network; sometimes it is d...
2016 MCM C： The Goodgrant Challenge
The Goodgrant Foundation is a charitable organization that wants to help improve educational perf...
2016 MCM B： Space Junk
The amount of small debris in orbit around earth has been a growing concern. It is estimated that...
2016 MCM A： A Hot Bath
A person fills a bathtub with hot water from a single faucet and settles into the bathtub to clea...
2015 ICM Problem D：Is it sustainable?
Problem background One of the largest challenges of our time is how to manage increasing populat...
2015 ICM Problem C：Managing Human Capital in Organizations
Building an organization filled with good, talented, well-trained people is one of the keys to su...
2015 MCM B：Searching for a lost plane
Recall the lost Malaysian flight MH370. Build a generic mathematical model that could assist "sea...
2015 MCM A：Eradicating Ebola
The world medical association has announced that their new medication could stop Ebola and cure p...
2014 ICM Problem： Using Networks to Measure Influence and Impact
One of the techniques to determine influence of academic research is to build and measure propert...
2014 MCM B：College Coaching Legends
Sports Illustrated, a magazine for sports enthusiasts, is looking for the “best all time college ...
2014 MCM A：The Keep-Right-Except-To-Pass Rule
In countries where driving automobiles on the right is the rule (that is, USA, China and most oth...