Combinatorial Problems
Traveling Salesman Problem
The TSP page at Georgia Tech
A brief history of TSP
Linear programming and the cutting plane technique for solving the TSP
A genetic-algorithm-based applet for computing TSP
A good bibliography of TSP sites
Do bees solve the traveling salesman problem?
Applications
The Georgia Tech applications page
Surveying farmland in Bengal: P. C. Mahalanobis, 1940. "A sample survey of the acreage under jute in Bengal",
Sankhyu
4
, 511-530.
Current performance results
The Georgia Tech page on progress in solving the TSP
Finding an optimal tour of the cities of Sweden
The World Tour problem with 1,904,711 cities