@article {,
	title = {Bounding the indegree of Spiking Neural P systems},
	journal = {Turku Center for Computer Science - TUCS},
	volume = {773},
	year = {2006},
	pages = {1-8},
	address = {Turku, Finlandia},
	abstract = {We continue the search of normal forms for spiking neural p systems, and we prove that the indegree of such systems (the maximal number of incoming synapses of neurons) can be bounded by 2 without losing the computational completeness.},
	keywords = {indegree of graph, Membrane computing, recursively enumerable, spike train, spiking neuron, synapses},
	url = {http://www.tucs.fi/publications/attachment.php?fname=TR773.pdf},
	author = {Gheorghe Paun and Mario J. P{\'e}rez-Jim{\'e}nez and Arto Salomaa}
}
