Tag Archives: quasimetrics

Manifolds, Star Fox, and Self-versus-Other

Branes, D-branes, M-theory, K-theory … news articles about theoretical physics often mention “manifolds”. ¬†Manifolds are also good tools for theoretical psychology and economics. Thinking about manifolds is guaranteed to make you sexy and interesting. Fortunately, these fancy surfaces are already … Continue reading

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Noncommutative distances between industries

The distance from your house to the grocery must be the same as the distance back, but 20th-century mathematicians speculated about circumstances where this might not be the case. Very small-scale physics is non-commutative in some ways and so is … Continue reading

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Facebook EdgeRank Another quasimetric! Actually a pseudo-quasi-metric. Facebook’s news feed decides what status updates to show you based on three factors: affinity u — how much you like somebody (FB’s guess) type of post w — videos and photos are … Continue reading

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