The scent raises the green line when it reaches the isocline 5 and also, later, when it reaches the isocline 15.
About the domino problem in the hyperbolic plane, a new solution
In fact, this row is on an isocline 15, and the line is the centre of the latitudes of inﬁnitely many inﬁnite towers of phantoms.
About the domino problem in the hyperbolic plane, a new solution
Then, the ancestor A1 of T1 is on the closest isocline 0 to the mid-line λ of P , under λ, and the ancestor A2 is also on this isocline.
About the domino problem in the hyperbolic plane, a new solution: complement
We have a green signal inside a triangle and inside the phantoms whose mid-line is the considered isocline.
About the domino problem in the hyperbolic plane, a new solution: complement
***