Agora University of Oradea, International Journal of Computers Communications and Control, 4(6), p. 647, 2011
DOI: 10.15837/ijccc.2011.4.2092
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With a motivation related to gene expression, where enzymes act in series, somewhat similar to the train spikes traveling along the axons of neurons, we consider an extension of spiking neural P systems, where several types of "spikes" are allowed. The power of the obtained spiking neural P systems is investigated. Some further extensions are mentioned, such as considering a process of decay in time of the spikes.