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Theory and applications of Lévy processes (stochastic processes with stationary and independent increments): e.g. path properties, stochastic differential equations driven by jump-type processes, fluctuation theory of Lévy processes, queuing theory.

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Monotone convergence theorem for stochastic integrals

Firstly, to give the formal definition of integral wrt Lévy process is necessary for prove the "MCT"(monotone convergence theorem). Secondary, for the most definitions of stochastic integrals(in path …
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A complex question related to a certain convergence of Lévy measures

At first, we consider an example. Let \begin{gather*} f(x)=\frac{I_{\{x>0\}}(x)}{2x^2(1\vee x^2)} =\frac{I_{\{(0,1)\}}(x)}{2x^2} + \frac{I_{\{[1,\infty)\}}(x)}{2x^4},\\ \nu(\mathrm{d}x)=f( …
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