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DTSTART:20180325T030000
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DTSTAMP:20260404T203401Z
UID:5b39a9744ccb9979374161@ist.ac.at
DTSTART:20180709T110000
DTEND:20180709T121500
DESCRIPTION:Speaker: Carl Modes\nhosted by Edouard Hannezo\nAbstract: Natur
 e finds the means to leverage complex geometric and topologic effects in m
 any ways that are we only now beginning to understand. For example\, in th
 e case of topology\, natural transport webs are frequently dominated by de
 nse sets of nested cycles\; the architecture of these networks -- the topo
 logy and edge weights -- determines how efficiently the networks perform t
 heir function. We present a new characterization of these physical network
 s that rests on an abstraction of a physical tiling in the case of a two d
 imensional network to an effective tiling of an abstract surface in space 
 that the network may be thought to sit in. This new algorithmic approach c
 an be used for automated phenotypic characterization of any weighted netwo
 rk whose structure is dominated by cycles\, such as\, for example\, mammal
 ian vasculature in the organs\, the root networks of clonal colonies like 
 quaking aspen\, and the force networks in jammed granular matter. On the g
 eometric side of the ledger\, it has recently been more and more appreciat
 ed that developing biological systems employ complicated 2D stress fields 
 during early onset of morphogenesis from flat or quasi-flat epithelial she
 ets to a rich zoo of fully three dimensional objects. We discuss a specula
 tive approach based on methods from the physics of exotic shape-shifting m
 aterials to reduce the complexity of the interacting "parts" of the stress
  distribution to model these developmental morphomechanics in a parameter 
 space of drastically reduced dimensionality.
LOCATION:Mondi Seminar Room 3\, Central Building\, ISTA
ORGANIZER:channezo@ist.ac.at
SUMMARY:Carl Modes: Complex Spatial Networks and Programmed Shape Selection
 : Topology and Geometry in Biology
URL:https://talks-calendar.ista.ac.at/events/1308
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