Table 2.

Probabilities of 15 rooted gene trees given the phylogenetic network ψ of Fig. 2 b (w=0) as x→∞

Gene Tree T i	P(T i|ψ,y,γ)
T 1=(((b,c),a),d)	$\gamma -(\gamma -\frac{{\gamma }^2}{3})e^{-y}$
T 2=(((b,c),d),a)	$(1-\gamma )-(-\frac{{\gamma }^2}{3}-\frac{\gamma }{3}+\frac{2}{3})e^{-y}$
T 3=((a,b),(c,d))	γ(1−γ)e −y
T 4=((a,c),(b,d))	γ(1−γ)e −y
T 5=(((a,b),c),d)	$\frac{{\gamma }^2}{3}{e}^{-y}$
T 6=(((a,c),b),d)	$\frac{{\gamma }^2}{3}{e}^{-y}$
T 7=(a,(b,(c,d)))	$\frac{{(1-\gamma )}^2}{3}{e}^{-y}$
T 8=(((b,d),c),a)	$\frac{{(1-\gamma )}^2}{3}{e}^{-y}$
T 9=((a,d),(b,c))	0
T 10=(((a,b),d),c)	0
T 11=(b,(a,(c,d)))	0
T 12=(((a,d),b),c)	0
T 13=(((b,d),a),c)	0
T 14=(((a,c),d),b)	0
T 15=(((a,d),c),b)	0