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- From: baez@ucrmath.ucr.edu (john baez)
- Newsgroups: sci.math
- Subject: more math puzzles
- Message-ID: <24341@galaxy.ucr.edu>
- Date: 11 Dec 92 21:23:37 GMT
- Sender: news@galaxy.ucr.edu
- Organization: University of California, Riverside
- Lines: 15
- Nntp-Posting-Host: ucrmath
-
- 1) Which famous mathematician wrote "The introduction of numbers as
- coordinates... is an act of violence"?
-
- 2) Which famous mathematician wrote "Topology is precisely that branch of
- mathematics that permits the passage from local to global"?
-
- 3) Prove that the tangent bundle of the long line is nontrivial.
-
- The answers to the above 3 are in Hirsch's "Differential Topology." (Topologists
- on the net will be delighted to learn that I finally obtained this book and
- will stop pestering them with questions whose answers are in it.)
-
- For extra credit, an obvious spinoff of 3) that I don't know the answer to:
-
- 4) Classify line bundles over the long line.
-