Parabolic implosion - from discontinuity to renormalization
Parabolic implosion - from discontinuity to renormalization
Parabolic implosion - from discontinuity to renormalization
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morphic near 0 f 0 (0) = 0 f ′ 0 (0) = λ<br />
z + a 2 z 2 + . . .<br />
πi p q z + a 2 z 2 + . . .<br />
+ a 2 z 2 + . . .<br />
λ = 1 a 2 ≠ 0<br />
f 0<br />
Lavaurs map<br />
Lavaurs map<br />
g β (z) =Φ −1<br />
rep (Φ attr(z)+β)<br />
describes how the orbits entering<br />
attracting fundamental strip go out<br />
<strong>from</strong> repelling fundamental strip.<br />
πiα z + . . .<br />
1near Φ attr ∞ T Φ(w) rep = C/Z w + 1 C Φ attr Φ rep C/Z C<br />
πiα , α small<br />
0} small and | arg α| < π 4z ↦→ z + β<br />
or<br />
1<br />
α<br />
mod Z<br />
i ≥ N<br />
∞+ 1 o(1)<br />
rep(z) + T (w) 1+ = 1 w + = Φ(f(z)) 1− c Φ attr<br />
w = ΦΦ(z) rep C/Z + 1 C<br />
E f0<br />
πiα z + O(z 2 )<br />
g β = lim<br />
n→∞ f k n<br />
near 0 near ∞ T (w) = w + 1 Φ attr Φ rep C/Z C<br />
n in int K(f 0)<br />
if f n (z) =e 2πiα n<br />
( z + ...,<br />
1<br />
)<br />
− k n = −β,<br />
lim<br />
n→∞<br />
α n<br />
if f n (z) ( =z + z 2 + ε n ,<br />
π<br />
)<br />
− k n = −β.<br />
lim<br />
n→∞<br />
√<br />
εn