A geometric approach to invariant subspaces of orthogonal matrices
This note gives a short, geometrically based, proof that a real orthogonal matrix has a normal form consisting of a direct sum of 1$times 1$ and 2$times 2$ blocks.
Published in:
American Mathematical Monthly, 89, 10, 751
Laboratories:
Record created 2010-12-03, last modified 2018-03-17
