2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/54459New types "extended" (super)conformal algebras $G^{(\frac n2)}$ are presented. (Su\-per)twistor spaces $T$ are subspaces in cosets $G^{(\frac n2)}/H$. The (super)twistor correspondence has a cleary defined geometrical meaning.9 pages, LaTeX, no figuresHigh Energy Physics - Theorytext