Contents - Max-Planck-Institut für Physik komplexer Systeme
Contents - Max-Planck-Institut für Physik komplexer Systeme
Contents - Max-Planck-Institut für Physik komplexer Systeme
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(e.g. Carl-PhilipHeisenberg,CharlotteK.Hemelrijk). Theoreticaltopicsfocusedon”Evolutionofcollectivebehavior”(IanCouzin),”Theorderoftheflockingtransition”(SriramRamaswamy),”Derivationandstabilityofhydrodynamicequationsforself-propelledparticles”(EricBertin),”Fluctuationsinselfpropelledparticles”(L.Schimansky-Geier),”Collectivedecisionmaking”(LarissaConradt),”Collectivebehaviorinlargegroups”(FrancescoGinelli),”Modellingactivefluids”(M.CristinaMarchetti),”Structuralpropertiesofnetworksformeduponswarming”(EzequielAlbano),”Minimalmodelsforcollective<br />
motion”(HuguesChate),”Clustering,spatialpatternsandinformationspreadinginself-propelledparticle<br />
systems”(FernandoPeruani). Biologicalexamplesofcollectivebehaviorcoveredbacteria(MarkusBr,<br />
MitsuguMatsushita,MasayasuMimura),cellcultures(AndrasCzirok,InbalHecht,Carl-PhilipHeisenberg),birdflocks(KunalBhattacharya,CharlotteK.Hemelrijk,IrenaGiardina),fishswarms(Jacques<br />
Gautrais,DavidSumpter),ants(AndreaPerna),andlocusts(JanHaskovec).<br />
TheworkshopfeaturedadistinguishedcolloquiumtalkbyRaymondE.Goldsteinon”Microfluidicsof<br />
cytoplasmicstreaming”andaveryinterestingmoviesession(CollectiveMinds: TheIntelligenceof<br />
Swarms,ARTE,2009withcontributionsbyGuyTheraulaz).<br />
Contributionsbyyoungscientists: Plentyofspacewasgiventoyoungscientiststopresenttheirwork<br />
eitherintheformofposters(wehad33postercontributions)orgivingtalksintheworkshopitself. In<br />
fact,15talkswerereservedforyoungscientistwhoareeitherstilldoingtheirPhDorareatanearlypostdocstage.<br />
Thenewcomershadnoproblemtofilltheallocatedtimeof45minwithstrikingresearch<br />
rangingfromtheoreticalproblemsas”Thephasediagramofmigratingcells”(ChristopheDeroulers)<br />
and”Onsetofcollectivemotionduetoescapeandpursuit”(PawelRomanczuk)topractical/biological<br />
considerations”Frompassivetoactivenavigation: howacellcanfinditsway”(InbalHecht). The<br />
”newcomers”hadalotofchancestointeractandtheyindeeddidwiththeleadersofthefield.<br />
Scientificresults:Themainbenefitofthisworkshopwascertainlytodiscussthelatestscientificresults<br />
and,furthermore,thatpeoplewithdifferentphysical/mathematicalandbiologicaloriginsgottoknow<br />
eachotherwhowouldnothavemetotherwise. Intensediscussionsafterthetalksandinthelunch<br />
andcoffeebreakswereaworkshophallmarkandtherewasageneralinteresttogettoknowmore<br />
abouteachothersproblemsandideas. Agreatopportunitytostrengtheninteractionswasprovided<br />
by the workshop dinner and the workshop excursion including a guided tour through the old town<br />
ofDresdenwithalifedemonstrationofthefamousSilbermannorganattheCathedralbycathedral<br />
organistThomasLennartz. Ingeneral, presentationsofnewtheoreticalresultsandrecentlygained<br />
deepinsightintostrikingbiologicalexamplesofcollectivebehaviorimpressedthe’collectivebehaviour’<br />
communityandtheorganizersarealreadyaworkshopfollow-upwithinthenexttwoyears.Furthermore,<br />
aspecialissueon”StatisticalPhysicsandBiologyofCollectiveMotion: fromCellstoOrganisms”is<br />
underpreparation. ThiswillcontainaselectionoftheColmotworkshoppresentations. Inconclusion,<br />
theCOLMOTWorkshophasthepotentialoflaunchinganewfieldofactivityandaseriesofrelated<br />
conferences.<br />
MoleculesunderX-rayPulses,FocusWorkshop<br />
Scientificcoordinators:S.Techert,J.Ullrich,J.-M.Rost<br />
MOLX09andMOLX10havebeenorganizedwithmembersofthe<strong>Max</strong><strong>Planck</strong>AdvancedStudyGroupat<br />
theCenterofFreeElectronLasersinHamburg(MP-ASG@CFEL)as2.5daysbrainstormingmeetings.<br />
Theideaforthefirstmeetingin2009wastogeneratenewideasfromthetheoreticalsideforinnovative<br />
experimentswiththenewlightsources. TopicshadafocusonsmallersystemsunderadvancedX-ray<br />
light.<br />
Tosparkdiscussionsandactasathinktanksaspecialformatofthemeetingwaschosen:Eachspeaker<br />
wasaskedtoprepareslidesforabout20minuteswhile60minuteswerereservedforhisentirecontributions<br />
-questionsandinterruptionswereencouragedatanytime.Tofurtherstimulatediscussions,thenumber<br />
ofparticipantswasrestrictedtoabout30,groupedinahalfcirclearoundtheblackboardandthescreen<br />
withonlytorows.ParticipantsrangedfromPhDstudentstoexperiencedresearchers.<br />
Mostparticipantsexpressedenthusiasticsupportforthisformatandhadthefeelingtheytookhome<br />
much more than from ordinary workshops. This success motivated a second meeting in the same<br />
format(thistimealsotheposterswerepresentinthesameroomthroughouttheworkshop).However,<br />
thetopicwasquitedifferentandfarmorechallenging: WhataretheopportunitiesforshortX-ray<br />
pulsestoelucidatethedynamicsoflargemoleculesandassembliesinanenvironment,typicallyasolution?<br />
144 DetailsandData