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SUMMARY:Signal processing across biological scales - Steffen Rulands (LMU)
DTSTART:20250311T130000Z
DTEND:20250311T140000Z
UID:TALK225835@talks.cam.ac.uk
CONTACT:Sarah Loos
DESCRIPTION:Understanding how fluctuations propagate across spatial scales
  is central to our understanding of inanimate matter\, from turbulence to 
 critical phenomena. In contrast to physical systems\, biological systems a
 re organized into a hierarchy of processes on a discrete set of spatial sc
 ales: they are compartmentalized. In this talk\, I will first show that dy
 namic compartmentalization of stochastic systems leads to emergent\, quasi
 -particle-like kinetics\, which cells use to perform key biological functi
 ons. Specifically\, we derive a general theory that predicts the emergence
  of a single degree of freedom irrespective of system specifics. We obtain
  equations of motion and response characterising its unique kinetic proper
 ties. We experimentally demonstrate the biological relevance of quasi-part
 icle kinetics in the decision of cells to commit suicide (apoptosis). In t
 he second part of my talk\, I will discuss how ideas from theoretical biop
 hysics can contribute to our understanding of emergent phenomena in deep l
 earning.
LOCATION:Center for Mathematical Sciences\, Lecture room MR4
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