2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/53321In view of the expectation that the solitonic sector of the lower dimensional world may be originated from the solitonic sector of string theory, various solitonic solutions are reduced from the heterotic fivebrane solutions in the ten-dimensional heterotic string theory. These solitons in principle can appear after proper compactifications, {\it e.g.} toroidal compactifications.14 pagesHigh Energy Physics - Theorytext