Infinite determinantal measures

Alexander I. Bufetov (1)

1 I2M - Institut de Mathématiques de Marseille

Infinite determinantal measures introduced in this note are inductive limits of determinantal measures on an exhausting family of subsets of the phase space. Alternatively, an infinite determinantal measure can be described as a product of a determinantal point process and a convergent, but not integrable, multiplicative functional. Theorem 2, the main result announced in this note, gives an explicit description for the ergodic decomposition of infinite Pickrell measures on the spaces of infinite complex matrices in terms of infinite determi-nantal measures obtained by finite-rank perturbations of Bessel point processes.

Domaines: Systèmes dynamiques [math.DS]

Alexander I. Bufetov. Infinite determinantal measures. Electronic Research Announcements in Mathematical Sciences, 2013, ⟨10.3934/era.2013.20.12⟩. ⟨hal-01256164⟩