?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Are+interactions+between+different+time-scales+a+characteristic+of+complexity%3F&rft.creator=Vanbremeersch%2C+Jean-Paul&rft.creator=Chandler%2C+Jerry&rft.creator=Ehresmann%2C+Andree&rft.subject=Theoretical+Biology&rft.subject=Complexity+Theory&rft.subject=Neural+Modelling&rft.description=A+self-organized+complex+natural+system%2C+such+as+a+biological%2C+a+neural+or+a+social+system%2C+is+characterized+by+the+fact+that+its+dynamics+is+generated+by+a+network+of+competitive+regulations%2C+each+one+acting+as+a+'simple+system'+(in+the+Newtonian+sense)+at+a+given+level+of+complexity+and+with+its+own+time-scale.+A+dialectics+dependent+on+specific+structural+temporal+constraints+is+established+between+them%2C+punctuated+by+local+fractures+imposing+a+change+of+strategy.+Such+systems+are+capable+of+anticipation+and+adaptation+thanks+to+the+development+of+a+memory.++%0AThe+Memory+Evolutive+Systems+(MES)+defined+by+Ehresmann+and+Vanbremeersch+in+a+series+of+papers+since+1986+represent+a+mathematical+model+for+such+systems%2C+based+on+the+Theory+of+categories.+This+model+takes+into+account+the+above+properties%2C+and+it+allows+to+study+the+problem+of+emergence%3B+an+analysis+of+causality+attributions+shows+that+MES+satisfy+the+definition+given+by+Rosen+for+an+'organism'.%0A&rft.publisher=Ehresmann&rft.contributor=Ehresmann%2C+Andree&rft.contributor=Farre%2C+George&rft.contributor=Vanbremeersch%2C+Jean-Paul&rft.date=1996&rft.type=Conference+Paper&rft.type=PeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F954%2F1%2FECHO_96.htm&rft.identifier=++Vanbremeersch%2C+Jean-Paul+and+Chandler%2C+Jerry+and+Ehresmann%2C+Andree++(1996)+Are+interactions+between+different+time-scales+a+characteristic+of+complexity%3F++%5BConference+Paper%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F954%2F