A finite automaton can be either deterministic (DFA) or nondeterministic (NFA). An automaton-based task is in general more efficient when performed with a DFA rather than an NFA. For any NFA there equivalent that generated by the classical Subset Construction algorithm. When, however, large may transformed into series of actions operating directly on NFA, unnecessarily expensive computation, as...

We discuss simple integration methods for the calculation of rotating black hole scattering resonances both in the complex frequency plane (quasinormal modes) and the complex angular momentum plane (Regge poles). Our numerical schemes are based on variations of “phase-amplitude” methods. In particular, we discuss the Prüfer transformation, where the original (frequency domain) Teukolsky wave eq...

One of the tasks of the Croatian Medical Journal (CMJ) is the promotion of Croatian science. Although it started as a regional journal, the CMJ developed through the years and began to play a global role, helping Croatian scientists to present their results to the international biomedical community. The CMJ acts as a window to the world for the Croatian medical professionals, and the articles p...