Gauge theory and G2-geometry on Calabi-Yau links

Omegar Calvo-Andrade, Lázaro O. Rodríguez Díaz, Henrique N. Sá Earp

The $7$-dimensional link $K$ of a weighted homogeneous hypersurface on the round $9$-sphere in ${\mathbb{C}}^5$ has a nontrivial null Sasakian structure which is contact Calabi-Yau,…