2 problems

Let $\mathcal I_{\mathbb R^4}$ be the moduli space of instantons on $\mathbb R^4$, and let $\mathcal I_{\mathrm{TN}}$ be the moduli space of instantons on a Taub–NUT space. Instant…

Multi-Taub-NUT instanton superposition conjecture. An instanton on $TN_k$ is a nonlinear superposition of singular monopoles and antimonopoles.