Categories, Bundles and Spacetime Topology

Approach your problems from the right end It isn''t that they can''t see the solution. It is and begin with the answers. Then one day, that they can''t see the problem. perhaps you will find the final question. G. K. Chesterton. The Scandal of Father ''The Hermit Gad in Crane Feathers'' in R. Brown''The point of a Pin''. van Gulik''s TheChinese Maze Murders. Growing specialization and diversificat...