We study holomorphic families of polynomial-like maps depending on a parameter s. We prove that the partial sums of largest Lyapunov exponents are plurisubharmonic functions of s. We also study their continuity and introduce the bifurcation locus as the support of bifurcation currents.
Bifurcation currents in holomorphic dynamics on ${\bf P}^k$
Equidistribution towards the bifurcation current I : Multipliers and degree d polynomials
Almost polynomial-like maps in polynomial dynamics
![QR code for arXiv:math/0512557 [math.DS]](http://oss.arxitics.com/images/favicon.svg)