Download - Mathematics and mate selection

Transcript
Page 1: Mathematics and mate selection

Mathematics andMate Selection

a delightfully absurd juxtaposition

Page 2: Mathematics and mate selection

All Models are Wrong, but some

are Useful(no promises about these)

Page 3: Mathematics and mate selection

Two Lenses

•Optimal Stopping: The Secretary Problem

•Assignment: The Stable Marriage Problem

Page 4: Mathematics and mate selection

The Secretary Problem

Page 5: Mathematics and mate selection

The Secretary Problem

•~37% Picks best candidate

•~26% Picks someone else

•~37% Skips over the best candidate and exhausts the pool

Page 6: Mathematics and mate selection
Page 7: Mathematics and mate selection

The Secretary Problem

•Lessons?

Page 8: Mathematics and mate selection

The Stable Marriage Problem

Page 9: Mathematics and mate selection

The Stable Marriage Problem

Lloyd Shapley Alvin Roth

Page 10: Mathematics and mate selection

The Stable Marriage Problem

•Guaranteed to be at least one stable matching set - often many

•Initiative matters

Page 11: Mathematics and mate selection

The Stable Marriage Problem

Page 12: Mathematics and mate selection

The Stable Marriage Problem

•Pretty neat

•But information is limited

Page 13: Mathematics and mate selection

Crazy?Vision of the

Future