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Tag Archives: partially ordered set
What’s Wrong with OKCupid’s Matching Algorithm
OKCupid is using the wrong mathematics to match potential dates together. But before I critique them, let me compliment them on what they’re doing right: “Our” mutual score is the geometric average of your score of me, and my score … Continue reading
Posted in Uncategorized
Tagged analytics, approval voting, assessment, computers, crowdsourcing, dating, dating websites, functionals, grade, grading, human mathematics, humans, internet, internet dating, love, mathematical modelling, mathematics, OKCupid, online dating, order theory, ordering, partially ordered set, political economy, poset, posets, rank, ranking, relationships, romance, score
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Talking in Tuples
Mathematics is the *Most* Different Language. In Can we make mathematics intelligible?, R P Boas jokes: There is a test for identifying some of the future professional mathematicians at an early age. These are the students who instantly comprehend a sentence … Continue reading
Posted in Uncategorized
Tagged Chinese, clarity, comprehension, definitions, English, function, functions, group theory, intelligibility, inverse mapping, inversion, language, Mandarin, math, mathematics, maths, measures, metrics, operation, operator, order theory, ordering, partially ordered set, poset, Ralph Philip Boas Jr., reading, relation, set, set theory, Tagalog
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Ethnic Food as a Poset
I like Indonesian food better than Japanese food i ⪰ j, and I like Japanese food better than English food j ⪰ e. I also like French food better than English food f ⪰ e, but I see French food as so different … Continue reading
Popularity
At my secondary school, the highscoring wide receiver was more popular than the fat lineman. And the fat lineman was more popular than the team statistician. But you couldn’t really compare the wide receiver’s popularity to that of the actor … Continue reading
Blood Types
Blood types form a topological space (and a complete distributive lattice). There are three generators: A, B, and Rh+. Above the “zero element” is the universal donor O− and the “unit element” is the universal receiver AB+. A topological space contains … Continue reading
Posted in Uncategorized
Tagged 1, anatomy, blood type, lattice, mathematics, medicine, order, partial ordering, partially ordered set, partially ordered sets, poset, posets, power set, set, topological space, topology
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The Hotness Scale
One example of a total ordering ≤ is the “hotness” scale from 1–10. Because of the widespread disagreement about the meaning of the numbers, the only thing one can infer based on a man’s rating of a woman is that … Continue reading
Posted in Uncategorized
Tagged attraction, boys, comparable, distance, geometry, girls, hotness, LGBTQ, liking, math, mathematics, maths, measures, metric, metric spaces, metrics, norm, norms, partially ordered set, partially ordered sets, poset, posets, quantification, sex, sex appeal, sexiness, size
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