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Rotations, Quaternions, and Double Groups (Oxford Science Publications)
Rotations Quaternions and Double Groups - Oxford Science Publications Author:Simon L. Altmann This detailed monograph treats finite point groups as subgroups of the full rotation group, providing geometrical and topological methods which allow a unique definition of the quaternion parameters for all operations. An important feature is an elementary but comprehensive discussion of — projective representations and their application to the ... more »spinor representations, which yield great advantages in precision and accuracy over the more classical double group method. A self-contained treatment, with many solved problems to clarify key points, this monograph provides a powerful tool