JUST as “one shove of the bayonet” was truly said to be more effective than any number of learned discussions on the art of war:— this really practical work, giving genuine quaternion solutions of new ...

THE following passage, which has recently come to my notice, in the preface to the third edition of Prof. Tait's “Quaternions,” seems to call for some reply: ...

For homogeneous metrics on the spaces over the complexes, quaternions and octonions, it is shown that the Ricci flow can move a metric of strictly positive sectional curvature to one with some ...