“…Basic informations about polyanalytic functions can be found in the book [4]. The reproducing kernel of the Hilbert space F 2 α,n has been computed using various method (see for instance [1], [3] or [7]). It can be written as…”
The purpose of this paper is to study the Sarason's problem on Fock spaces of polyanalytic functions. Namely, given two polyanalytic symbols f and g, we establish a necessary and sufficient condition for the boundedness of some Toeplitz products T f Tḡ subjected to certain restriction on f and g. We also characterize this property in terms of the Berezin transform.
“…Basic informations about polyanalytic functions can be found in the book [4]. The reproducing kernel of the Hilbert space F 2 α,n has been computed using various method (see for instance [1], [3] or [7]). It can be written as…”
The purpose of this paper is to study the Sarason's problem on Fock spaces of polyanalytic functions. Namely, given two polyanalytic symbols f and g, we establish a necessary and sufficient condition for the boundedness of some Toeplitz products T f Tḡ subjected to certain restriction on f and g. We also characterize this property in terms of the Berezin transform.
“…In particular, it was proved there that (5) V 1 0 (N r ) = r 2 1 − r 4 , and another proof of this result is given in [4]. However, beware that the Gaussian analytic series in the disc studied in [4] are in general not determinantal and that asymptotic formulas for the variance of N r are derived there from a formula quite similar to (2). More generally, the adaptation of our previous proof of Shirai's result yields the following formula for V ν m (N r ): Proposition 2.…”
Section: The Hyperbolic-type Point Processmentioning
confidence: 99%
“…and recall the hyperbolic distance: d(z, w)) . 2 Unlike the Euclidean setting, the strength ν of the magnetic field can not be reduced to one.…”
Section: The Hyperbolic-type Point Processmentioning
In this paper, we introduce a two-parameters determinantal point process in the Poincaré disc and compute the asymptotics of the variance of its number of particles inside a disc centered at the origin and of radius r as r → 1 − . Our computations rely on simple geometrical arguments whose analogues in the Euclidean setting provide a shorter proof of Shirai's result for the Ginibre-type point process. In the special instance corresponding to the weighted Bergman kernel, we mimic the computations of Peres and Virag in order to describe the distribution of the number of particles inside the disc.
“…This is a self-adjoint operator in the Hilbert space L 2 (C, e −|z| 2 dz) where dz is the Lebesgue measure in C and has purely discrete positive spectrum given by the set of nonnegative integers ( [2]). Actually, the direct sum decomposition holds…”
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