2 papers
astro-ph2002
Luminous matter may arise from a turbulent plasma state of the early universe
Per Bak, Maya Paczuski
The almost perfect uniformity of the cosmic microwave background (CMB) radiation, discovered by Penzias and Wilson in 1965 appears to present clearcut evidence that the universe wa…
cond-mat1996
Democratic Reinforcement: Learning via Self-Organization
Dimitris Stassinopoulos, Per Bak
The problem of learning in the absence of external intelligence is discussed in the context of a simple model. The model consists of a set of randomly connected, or layered integra…