humberto maturanafrank rosenblattjenks and smith qualitative complexity agent based modeling bart kosko bart kosko bart kosko bart kosko bart kosko duncan watts john conway felix geyer Stuart Kauffman albert-laszlo barabasi Epstein and Axtell Per Bak data mining emergence nicholas christakis fuzzy logic francisco parra-luna stephen wolfram warren mcculloch katia scyara mitchell feigenbaum niklas luhmann fractal geometry autopoiesis genetic algorithms lotfi zadeh bart kosko walter pitts dynamical systems theory robert axelrod cybernetics berry and linoff neural networks mark newman christopher langton self-organization multi-agent modeling john von neumann edward lorenz ecological systems theory Ilya Progogine michael wooldridge teuvo kohonen Tien Yien Li artificial life h t odum complexity science John Holland humberto maturana systems science steve strogatz sociocybernetics complexity and philosophy erich jantsch edgar morin mark granovetter chaos theory barry wellman dynamical systems theory mark granovetter james yorke Kurt Richardson Center for Complexity in Health michio sugeno jenks and smith qualitative complexity paul cilliers artificial intelligence cellular automata nigel gilbert john urry new science of networks duncan watts benoit mandelbrot Geoffrey West system dynamics