\r\ninfinite-time (or finite-time) ruin probability under a given compound

\r\nPoisson surplus process by approximating the claim size distribution

\r\nby a finite mixture exponential, say Hyperexponential, distribution. It

\r\nrestates the infinite-time (or finite-time) ruin probability as a solvable

\r\nordinary differential equation (or a partial differential equation).

\r\nApplication of our findings has been given through a simulation study.", "references": null, "publisher": "World Academy of Science, Engineering and Technology", "index": "International Science Index 121, 2017" }