SPR posts

sci.physics.research posts about quaternions

doug <sweetser@alum.mit.edu>

Posts by Doug Sweetser unless otherwise noted.

Geometric Algebra: 1996/09/23 Geometric algebra versus quaternions; 1996/09/26 Reply: does your teacher understand what you're doing? (John Baez); 1996/09/30 A biased history of quaternions

Special relativity & quaternions: 1997/03/27 Solving problems in special relativity with quaternions; 1997/04/05 Using complex quaternions to solve SR prolems (Mark Hopkins); 1997/04/06 Origins of Hestenes' approach (Pertti Lounesto); 1997/04/06 It's not Hestenes' approach; 1997/04/19 The three tenors: SR, GR and quantum

Puzzle about bosons and ferminons: 1997/04/06 Puzzle with a quaternion solution

Doing physics with quaternions: 1997/05/01 Playing with quaternions; 1997/05/01 Real versus complex quaternions (Pettri Lounesto); 1997/05/01 Real quaternions work!; 1997/05/02 Re- evaluating real quaternions (Pettri Lounesto); 1997/05/09 Measuring distances with qauternions

The Maxwell equations: 1997/04/03 The Maxwell equations from quaternions; 1997/02/13 Maxwell's equations from Dirac and complex quatenrions (Mark Hopkins); 1997/04/13 Quaternions are not biquaternions; 1997/04/20 Gauge transformations with quaternons; 1997/04/22 Problems with the proposal (Achille Hui); 1997/05/15 Gauge transformations with quaternions II

Defining quaternions, complex quaternions and octonions: 1997/05/02 Definitions of quaternions, complex quaternions and octonions; 1997/05/02 Table comparing the three; 1997/05/01 The norm versus the interval; 1997/04/27 Pauli matrices versus quaterions; 1997/05/22 Transforming quaternion equations; 1997/09/25 Vector versus quaternion products

1996/04/25 Defining time contest

The Arrow of time: 1996/05/17 The arrow of time; 1997/04/04 Time reversal with quaternions

1997/09/26