ИСТИНА

We consider D = 4 complex Euclidean algebra as well as N = 1 and N = 2 Euclid- ean superalgebras, and provide their real and pseudoreal forms for three signatures: (4, 0) (Euclidean), (3, 1) (Poincare) and (2, 2) (Kleinian). Further we provide the classical r-matrices describing the triangular (twist) deformations of complex Euclidean (su- per)algebras and present their real and pseudoreal forms. Finally we comment on N = 1 and N = 2 SUSY extensions of kappa-deformed symmetry algebras, in particular the ones satisfying the supersymmetric classical Yang–Baxter equations.