Introduction to a provisional mathematical definition of Coulomb branches of 3-dimensional 𝒩=4 gauge theories

Source abstract

This is an introduction to a provisional mathematical definition of Coulomb branches of 3 3 -dimensional N = 4 \mathcal N=4 supersymmetric gauge theories, studied in another work of the author. This is an expanded version of an article which appeared in \raisebox{-.25\baselineskip}\includegraphics{japanese_{t}ext}(2016), written originally in Japanese.