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285G, Lecture 1: Flows on Riemannian manifolds
Originally posted on What's new:
In the first lecture, we introduce flows on Riemannian manifolds , which are recipes for describing smooth deformations of such manifolds over time, and derive the basic first variation formulae for how various structures…
Early in his academic career, [Paul] Schervish was a committed Democratic Socialist. But around 1990, he began interviewing wealthy people and decided that his Marxist instinct to criticize the rich was misguided. “I realized good and evil are equally distributed … Continue reading
1. Use mathematics as a shorthand language rather than as an engine of inquiry 2. Keep to them [your models/problems] till you have them done 3. Translate to english 4. Illustrate with examples important to real life 5. Burn the … Continue reading
We are telling kids who are good at school that they have better opportunities than others (and kids that are not good at school that they are doomed). Then we are telling kids who are good at school to stay … Continue reading
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June 30, 2012
Tagged advice, career, college, consejos, education, good, good at school, intelligence, IQ, kids, life, money, school, success, university, youth
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After doing things for myself for so many years—getting a Ph.D., focussing on my career—it’s nice to be able to live for someone else for a change. nuclear physicist Rex Tayloe, regarding his young daughter
Am I a good person? Deep down, do I even really want to be a good person, or do I only want to seem like a good person so that people (including myself) will approve of me? Is there a … Continue reading
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June 28, 2012
Tagged altruism, being a good person, charity, confusion, David Foster Wallace, donation, good, meaning, morals, order of magnitude, order-of-magnitude argument, order-of-magnitude arguments, orders of magnitude, patronising, patronizing, philosophy, psychology, scale, scaling laws, selfishness, utility theory, white saviour industrial complex, wordplay
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[T]he Efficient Markets Hypothesis [is] in contention for one of the strongest hypotheses in the whole of the social sciences. Strictly speaking the EMH is false, but in spirit it is profoundly true. Besides, science concerns seeking the best hypothesis, … Continue reading
What is mathematics? It’s neither physical nor mental, it’s social. It’s part of culture, it’s part of history. It’s like law, like religion, like money, like all those other things which are very real, but only as part of collective … Continue reading
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June 21, 2012
Tagged abstract, agreement, atoms, collaboration, collective, community, culturehi, existence, experience, global consciousness, ideal, idealised, idealized, ideation, individualitya, Jungian consciousness, law, mathematics, meaning, money, ontology, philosophy, Platonism, religion, social, story, tomism
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Opportunity is fleeting. Experience is fallacious. Judgment is difficult. Hippocrates
[T]his disparate level of penalties between the exchange (stiff penalty) and repo (basically no penalty) is precisely the play Deutsche Bank AG did in their Bobl squeeze in March 2001. They simply didn’t return the bonds they had reverse repoed … Continue reading
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June 18, 2012
Tagged Bobl, bond markets, bonds, Bund, Deutsche, Deutsche Bank AG, finance, news, repo market, trading
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