On the fundamental group of the space of harmonic $2$-spheres in the $n$-sphere

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/152527We compute the fundamental group of the "moduli space" of classical solutions of the two dimensional Euclidean $S^n$-model.15 pagesHigh Energy Physics - TheoryDifferential GeometryOn the fundamental group of the space of harmonic $2$-spheres in the $n$-spheretext