Science Progress (1933-), Vol. 104, No. 4 (2021), pp. 1-26 (26 pages) Singularity is one of the important features in invariant structures in several physical phenomena reflected often in the ...
On the left, the schematic illustration depicts the gluing rules of the Brillouin manifold, with a half-twist operation connecting the opposing faces. On the right, the BZ is divided into 64 blocks by ...
In three-dimensional space, the surface of a black hole must be a sphere. But a new result shows that in higher dimensions, an infinite number of configurations are possible. The cosmos seems to have ...
E. Bour, Théorie de la déformation des surfaces, Journal de l’ Êcole Imperiale Polytechnique 22, Cahier 39 (1862), 1-148. M. P. Do Carmo and M. Dajczer, Helicoidal surfaces with constant mean ...
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