2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/60590This work studies two dimensional local skew fields and their automorphisms.For introduction and notation, see math.NT/0012131 . Published by Geometry and Topology Monographs at http://www.maths.warwick.ac.uk/gt/GTMon3/m3-II-8.abs.htmlNumber TheoryAlgebraic Geometry16K99Invitation to higher local fields, Part II, section 8: Higher local skew fieldstext