Sixteen pseudo-quaternionic Julia sets ('MandelBulb' like: 'JuliaBulb's) -tridimensional cross-sections- [Seize ensembles de Julia dans l'ensemble des pseudo-quaternions (comme un 'MandelBulb': des 'JuliaBulb's) -coupes tridimensionnelles-]
.2 P(q) = q + {X ,Y ,0,0} A A
fR(R ,R ) = R *R 1 2 1 2
fT(T ,T ) = T +T 1 2 1 2
fP(P ,P ) = P +P 1 2 1 2
fA(A ,A ) = A +A 1 2 1 2the point {XA,YA} following an Archimedes spiral located in the complex plane and with the origin of the coordinates as its center.