English

Limit theorems for renewal shot noise processes with decreasing response functions

Probability 2013-10-25 v3

Abstract

We consider shot noise processes (X(t))t0(X(t))_{t \geq 0} with deterministic response function hh and the shots occurring at the renewal epochs 0=S0<S1<S2...0= S_0 < S_1 < S_2 ... of a zero-delayed renewal process. We prove convergence of the finite-dimensional distributions of (X(ut))u0(X(ut))_{u \geq 0} as tt \to \infty in different regimes. If the response function hh is directly Riemann integrable, then the finite-dimensional distributions of (X(ut))u0(X(ut))_{u \geq 0} converge weakly as tt \to \infty. Neither scaling nor centering are needed in this case. If the response function is eventually decreasing, non-integrable with an integrable power, then, after suitable shifting, the finite-dimensional distributions of the process converge. Again, no scaling is needed. In both cases, the limit is identified. If the distribution of S1S_1 is in the domain of attraction of an α\alpha-stable law and the response function is regularly varying at \infty with index β\beta (with β<1/α\beta < 1/\alpha or β1/α\beta \leq 1/\alpha, depending on whether ES1<\mathbb{E} S_1 < \infty or ES1=\mathbb{E} S_1 = \infty), then scaling is needed to obtain weak convergence of the finite-dimensional distributions of (X(ut))u0(X(ut))_{u \geq 0}. The limiting processes are fractionally integrated stable L\'{e}vy motions if ES1<\mathbb{E} S_1 < \infty and fractionally integrated inverse stable subordinators if ES1=\mathbb{E} S_1 = \infty.

Keywords

Cite

@article{arxiv.1212.1583,
  title  = {Limit theorems for renewal shot noise processes with decreasing response functions},
  author = {A. Iksanov and A. Marynych and M. Meiners},
  journal= {arXiv preprint arXiv:1212.1583},
  year   = {2013}
}

Comments

58 pages, submitted in a shortened form; the present version corrects a coupling defined in Section 3.1 and used in various parts of the paper

R2 v1 2026-06-21T22:50:18.093Z