(a)
(b)
Figure 12:
(a) For
𝑑
=
0
.
5
, bifurcation curves of the principal tongues of period
𝑘
, with
𝑘
=
2
…
,
1
5
in the plane
(
𝛿
𝐴
,
𝛿
𝐵
)
,
𝛿
𝐴
=
(
1
−
𝑚
𝐿
)
,
𝛿
𝐵
=
(
1
−
𝑚
𝑅
)
; (b) corresponding bifurcation diagrams in the plane
(
𝛿
𝐴
,
𝛿
𝐵
)
with colors obtained numerically according to the different periods observed.