Functions generated by blocks were introduced by M. Taibleson and G. Weiss in the setting of the one-dimensional torus $T \lbrack TW1 \rbrack$. They showed that these ...

IN a recent paper, entitled “Notes on Spherical Harmonics” (Proceedings of the Edinburgh Mathematical Society, vol. xxxii., 1914), Dr. John Dougall wrongly claims as new the expansion which he has ...