(No audio until about 5:38)

The opposite of complexity is not simplicity (later lecture)

going to talk about critical sw services

Today: Looking at real adaptive cycles

Presenter: Amy Knupp

PhD student in college of nursing, poster with mapping adaptive cycles

Overall sequence of events

Units of Adaptive behavior

Brad
IEX
HFT
Major investors
Big banks/ brokers
Goldman Sachs
Stock Market Industry

Primary trigger

Brad meets with major investors

Critique

What are the goals of the existing units?
What are the goal interactions?
What’s the dominating goal, the last goal to be preserved?
must study system under load

 Adaptive races are unstable

“Al Roth” paper about markets unraveling. I think it’s this one: www.mitpressjournals.org/doi/pdf/10.1162/itgg.2008.3.1.119

Diagrams, layering of UABs

adaptive trap

roles, nesting of

SEC can’t keep up

they are slow and stale
decompensation