Abstract
AbstractWe study the classical Hénon family $$f_{a,b}:(x,y)\mapsto (1-ax^2+y,bx)$$
f
a
,
b
:
(
x
,
y
)
↦
(
1
-
a
x
2
+
y
,
b
x
)
, $$0<a<2$$
0
<
a
<
2
, $$0<b<1$$
0
<
b
<
1
, and prove that given an integer $$k\ge 1$$
k
≥
1
, there is a set of parameters $$E_k$$
E
k
of positive two-dimensional Lebesgue measure so that $$f_{a,b}$$
f
a
,
b
, for $$(a,b)\in E_k$$
(
a
,
b
)
∈
E
k
, has at least k attractive periodic orbits and one strange attractor of the type studied in Benedicks and Carleson (Ann Math (2) 133(1):73–169, 1991). A corresponding statement also holds for the Hénon-like families of Mora and Viana (Acta Math 171:1–71, 1993), and we use the techniques of Mora and Viana (1993) to study homoclinic unfoldings also in the case of the original Hénon maps. The final main result of the paper is the existence, within the classical Hénon family, of a positive Lebesgue measure set of parameters whose corresponding maps have two coexisting strange attractors.
Funder
Vetenskapsrådet
Carl Tryggers Stiftelse för Vetenskaplig Forskning
National Science Foundation
Publisher
Springer Science and Business Media LLC
Reference24 articles.
1. Benedicks, M., Carleson, L.: On iterations of $$1-ax^2$$ on $$(-1,1)$$. Ann. Math. (2) 122(1), 1–25 (1985)
2. Benedicks, M., Carleson, L.: The dynamics of the Hénon map. Ann. Math. (2) 133(1), 73–169 (1991)
3. Benedicks, M., Viana, M.: Solution of the basin problem for Hénon like attractors. Invent. math. 143, 375–434 (2001)
4. Benedicks, M., Young, L.-S.: Sinai–Bowen–Ruelle measures for certain Hénon map. Invent. math. 112, 541–576 (1993)
5. Benedicks, M., Young, L.-S.: Markov extensions and decay of correlations for certain Hénon maps, Astérisque, 261, xi, 13-56 (2000)